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Jul 13, 2020

Reforestation in the time of a Pandemic

How is the world today? Well. Communities are feeling fractured, people are being asked to self isolate, systemic racism has come to a brutal and heart-aching head in the United States – and so much fear is being propagated.

Here at Camino Verde, we dearly want to help inspire a way to grow toward a resilient future. After all, diversified communities are our “bread and butter” – we have been wary of homogeneity and whitewashing since we first started investigating forests and human societies. As a result, we’re thinking that diversity is key to a healthy ecosystem; this is the way that all things grow on Earth. In our agroforestry and restoration projects we always plant multiple species. Our Rosewood restoration project utilizes not only rosewood seedlings – but rather three keystone trees get planted for every rosewood. Resilience means you don’t put all your eggs in your own basket. Resilience means you know you’re stronger when you’re aligned with the complete scope of diversity that your ecosystem desires.

We have been in a strict quarantine here in Peru. With a curfew imposed the Country feels intense with the military in the streets, people being arrested for being out past curfew and all native communities closed to any outsiders. However, here at Camino Verde we have been focusing on our farm team, living and working together; making sure everyone is well fed and healthy. 

Recently we harvested  huasaí (E. precatoria). Tropical palms always were and continue to be important to humans. Important as food, important to the economy.  Can we imagine life in the Anthropocene without coconut or oil palm?  Examples span the planet’s thick middle, but in the Neotropics and especially in the Amazon the use of palms reaches an impressive level of economic botanical mastery.  This mastery is on display in the home gardens of Bora communities, where five species are by far the most planted of palms, and three of these are found as a significant component of home gardens.  Along with pijuayo and chambira (planted out mostly in the farms), the three most planted palms, those found in the neighborhood, are Euterpe oleracea, Euterpe precatoria, and Mauritia flexuosa.  The first two are both called huasaí in Bora Communities, though many Peruvians and most all Brazilians distinguish E. oleracea as asaí (or açaí in the Portuguese spelling). E. precatoria (picture attached) is a sturdy solitary palm that provides edible, oily fruits more commonly consumed as a thick beverage.  These beverages (collectively called cahuana when thickened with homemade cassava starch) are consumed immediately at home whenever the fruit is available, providing clear cognitive compatibility with the species’ presence in the garden just outside the house. This tree is one that we love to include in our agroforestry systems.

Even in a time of a pandemic we have some good news to hold our spirits up, we were recently selected to be apart of the GlobalGiving Climate Action Cohort and are excited for the upcoming July Bonus Day. Which both are highlights that make us hopefull for the future. We know the seeds of the future are in our hands and we can't stop planting them!

Harvesting at the Reforestation Center
Harvesting at the Reforestation Center
Farm Team Cooking Together
Farm Team Cooking Together
Mar 16, 2020

The Start of a Great Year

The land of Palo Santo
The land of Palo Santo

Dear GlobalGiving Friends,

It is once again the rainy season here in the Peruvian Amazon and our 2020 has had an amazing and supportive beginning. 

As you may remember from our last report, we faced some challenges last year, one of which was the fire that destroyed the main building at our Reforestation Center. However, with the generous support of everyone who gave to Camino Verde we were able to rebuild while also continuing our reforestation work.  

In 2020 we are grateful for you, the extended family that surrounds the Earth with its love and intentionality.  As we rebuild a house in Tambopata, Peru, this year we turn our sights on a bigger impact, one that affects the country Camino Verde calls home.  In this spirit, for March we're sharing a report fom Piura, northern Peru, the home of the strange and enchanting landscape called tropical dry forest. 

Our director Robin Van Loon shares with us a recent field investigation into the unique region of Peru where Bursera graveolens, the aromatic tree known as palo santo grows. We hope you enjoy getting a glimpse into the broader work of Camino Verde.  Since we all face the effects of climate change and habitat loss, it becomes more important to understand how we can collectively work to conserve and regenerate what we are losing. 

Thank you for your belief and support.

The Camino Verde team


Palo Santo (Bursera graveolens): Keystone Species of Peru’s Tropical Dry Forest

The smell is so unique yet has become so familiar. Palo Santo – holy wood, Bursera graveolens – was almost unknown outside of Peru and Ecuador’s borders as recently as the 90’s. But in 2020 Palo Santo is subject to controversy and continues to be shrouded in mystery and confusion. Is it endangered? How endangered? Where does it come from? Are people cutting the trees down? Is it true that the only aromatic wood is that of naturally fallen trees collected from the ground?

Palo Santo is therapeutic, special, unique – and subject to a wide variety of misconceptions. In November 2019, Camino Verde dove into the region of Piura, Peru to strengthen our sourcing relationships with communities that are working hard to ensure the robust health of Palo Santo and the stunning landscape where it is found – the Tropical Dry Forest of northern Peru.

Tropical Dry Forest: the Landscape

Some of Earth’s most dynamic ecosystems are at the edges where different realities meet. What can you find at the transition zone between the coastal desert of Peru, one of the world’s driest, and the foothills of the Andes, the second highest mountain range? – where rushing rivers run down from tropical glaciers, and the last rains discharge and the clouds evaporate before reaching the West Andean flank, the rain shadow side.

What do you get when the cold water Humboldt current – the other key factor in the exceptional dryness and socked-in cloudiness of Peru’s coastal desert – meets the equatorial ocean current that further north gives the verdant glow to so much of Ecuador’s coast? Also, what do you get when this edge zone happens to be adjacent to one of the lowest passes in the Peruvian Andes separating the coast from the Amazon?

You get an ecosystem that is rare – and becoming rarer. You get the Tropical Dry Forest of South America, the landscape that Palo Santo calls home.

The forested Andean foothills of the Piura region are a scene of remarkable biodiversity, the collusion of a mix of different ecosystems that meet but are filtered through the prism of a particular place’s own demands and peculiarities. There are wild trees found here that are also naturally found in Mexico, in Brazil, in Argentina. The history of the Earth is long. There were once jaguars here. There are still snakes, deer, peccaries, and puma, all found also in the Amazon. Tiny streams teaming with fish fill generously to become rivers in the brief rainy season – and sometimes erupt tragically, cataclysmically in the El Niño years.

Most of the tree species have deep tap roots against the drought and strong resins to protect themselves from relatives of Amazonian termites. They are pollinated by Meliponas, cousins to Amazonian stingless bees. The giant kapok tree – deemed the mother of the forest by many Amazonian tribes – has a wild relative here of the same genus.

And a tree that is botanically close to Frankincense, Myrrh, and Copal covers the hilltops and literally scents the breeze just by dropping its branches.

“The Tumbes-Piura dry forests ecoregion is in the neotropical realm, in the tropical and subtropical dry broadleaf forests biome. It is part of the Tumbes-Chocó-Magdalena biodiversity hotspot, one of 25 biogeographic regions globally that have a significant reservoir of biodiversity under threat from humans... The fauna and flora of the global ecoregion have high levels of endemism.”— Wikipedia: Tumbes-Piura dry forests

Palo Santo: Keystone Tree Species

To be clear, when we say Palo Santo in this missive we mean the species known to biology as Bursera graveolens, member of the namesake genus from the tropically-significant botanical family Burseraceae, or “incense tree family.” In Peru, Mexico, Burkina Faso, Greece, Ethiopia, Ecuador, Guatemala, Somalia, Brazil, Oman, and elsewhere, aromatic species from the family Burseraceae are used in traditional practices that are millennia old. In many of these places the trees are the subject of subtle cultural knowledge addressing respectful and sustainable harvest practices, what we might now call forest management, or the intimate knowledge of complex webs of ecological relationships.

That sounds interesting, but no background summary can prepare you for the smell of Palo Santo. Do you remember the first times you smelled it? If you are older than the 21st century (above the age of 19), you probably recall the circumstances in which you first encountered a smoking smudge stick giving off a warm, sweet smell somewhere near the convergence of caramel, wood, citrus, and vanilla. Or none of the above. The smell of palo santo is not something you mistake for something else.

In several but not all of the Tropical Dry Forests of Piura, Peru (as well as Tumbes, Peru, and the southern regions of Ecuador) Palo Santo can be found at remarkable densities – up to 300 trees per hectare – meaning at higher distribution densities than many monoculture fruit plantations.

But this forest is far from a monoculture. Palo Santo’s branches intertwine with those of other beautiful and useful trees that have helped sustain large human settlements in these valleys and hills since long before the Inkas, for at least the last five thousand years. In the 21st Century, many of these trees, including Palo Santo, are coming under increased pressure from modern extraction that in a sense is the product of forgetting, of the falling out of practice of traditional knowledge.

The Productive Ecology of Palo Santo

Each of the images above shows Palo Santo. Local communities recognize three distinct varieties of the tree – white, yellow, and black – each of which seems to prefer a respective soil type or position in the landscape. White is down below on the plains and valley bottoms, black is on the hilltops, yellow is in between. White is so soft in scent as to be disappointing; the yellow is the classic scent we know as Palo Santo; and black has a resinous, penetrating aroma that takes it up an octave in intensity. The black variety exudes the most and strongest smelling resin when wounded, and the white variety the least.

Natural regeneration of Palo Santo can be found in stream beds (as shown in the image here) where above- and below-ground water can help seedlings survive – but can kill these babies when the rivers rise violently in the rainy season. Natural regeneration also comes sprouting from out of the tree’s small fallen fruits, as from bird and squirrel droppings at the corresponding time of year. The fruit pulp contains a sweeter-smelling variant (with different chemical composition) of the essential oil found in the wood.

Though the majority of volunteer seedlings in the wild dry out and die at an early age, those individuals that are able to successfully take root do grow relatively quickly. By age 3 a tree might reach a couple meters in height and the thickness of a human forearm.

As a lightweight softwood, comparisons to balsa or cork come readily, and Palo Santo trees are not long lived. The end of most individuals comes before they surpass 35 cm (a foot) in diameter and usually long before their hundredth birthday. The vectors of mortality for Palo Santo are the wind, the shifting hillside soils in the rainy season, and the trees’ own weight, factors which alone or in combination lead to trees falling over uprooted or broken off at the base.

Termites can also sometimes play a roll in the trees’ structural collapse, but they are more of an issue post-mortem. Naturally fallen trees lying on the ground are the source of the most aromatic Palo Santo, but if left for too long only a corky pulp will remain, run through by black termite trails that make the wood less aromatic – as well as less visually attractive, and therefore less commercial.

Some sources erroneously report that only the wood from naturally fallen trees is aromatic – but how would a branch know if it broke off naturally versus being cut off? – and others wrongly report that the wood needs 4-10 years of forest floor time to cure to full aromatic potential. It is true, however, (and relevant to trade in the species) that the aromatic oil composition and content density of older woody tissues differs from that in the younger greenwood of branches and shoots.

Bursera graveolens and Homo sapiens

Palo Santo has been used ceremonially as an incense for a long time. Remains of the wood have been found in tombs alongside mummies throughout the territory that is now called Peru and its ritual use has persisted into modern times in most regions of the country as well as in Ecuador and Bolivia. Alongside Spondylus shells from the Ecuadorian coast and Bactris palm timber from the Amazon, Palo Santo has been part of a religious economy that pre-dates even the pre-Inka cultures.

That said, in the last hundred years Peru’s cultural landscape and land usage patterns have shifted in profound ways. In the 1950’s the old hacienda system was disbanded and massive estates relying on the labor of a sort of ongoing post-Conquest indentured servitude were split up – and the workers finally had access to land of their own. There was an abrupt shift in land tenure structures and management practices, and a breach with the past in other ways as well.

Some of Piura’s elders of today, who came of age in that post-hacienda era, report that the use of Palo Santo in their homes was more practical than ceremonial – they burned it as firewood and for the mosquito-repelling properties of the smoke, this in valleys wracked by recurrent outbreaks of malaria. More recently, Western aromatherapists have “discovered” Palo Santo’s extremely practical ability to fend off headaches.

In a parallel but relatively little-documented history, Palo Santo continues to figure prominently in the ceremonies of modern shamanic healers and herbalists, especially in the northern coastal area. In addition to the burning of incense, symbolically-rich staffs and icons of saints are carved from the wood, which retains and continues to emit its characteristic scent.

As with its relatives Frankincense and Myrrh, Palo Santo is seen as holy and has been the subject of market demand, two factors that are not considered mutually exclusive in the local culture. It is wonderful to place prayerful intention into the use of Palo Santo as a sacred, special incense. But that doesn’t negate the fact that it is also an effective insect repellent.

A Regenerative Approach to Palo Santo

The Tropical Dry Forest is not expanding, it is reducing in size. To pretend otherwise is willful ignorance in the era of valleys of foreign-owned monocultural plantations of export mangos sitting in the shadow of once-forested Andean hillsides turned into eroded gravel fields by illegal gold mining reliant on mercury. (This is not poetic license. It is an accurate description of the San Lorenzo valley in 2019.) Here, as most everywhere in the 21st Century, the remaining intact forest landscapes are under existential threat at the hands of humans. We are referring to the actual felling and razing of forests with axes and chainsaws, not just to such abstract specters as mass extinction or global warming.

In this context, there is no coherent rationale for describing Palo Santo as anything but endangered. In recent years conversations have emerged in Ecuador about proposing a CITES listing for the species, while Peru has reported the tree to the 2005 Global Forest Resource Assessment (GFRA) as critically endangered at a national level, using IUCN Red List classification criteria. But to date, neither of these conservation status designations have gained traction to reduce the booming informal (and opaquely-sourced) international commerce in Palo Santo.

But sometimes the problem is the solution. The market that demands Palo Santo has contributed to the over-harvest and destruction of the species. But the same demand, that same desire for something so unique and valuable, can also fuel the careful management and even regeneration of Palo Santo. Communities that keep their forests strong can expect for their children to be benefited by a stable harvest of Palo Santo just as they benefited – and their grandparents before them.

The Piura region is home to one of Peru’s first community-managed nurseries of Palo Santo. Currently awaiting the Agricultural Direction’s approval of a community management plan for an area of 900 hectares (over 2,200 acres) of Tropical Dry Forest adjacent to the village, the comuneros from the area are trying out different propagation techniques (seeds, cuttings, and natural regeneration) while preparing to implement a forest patrol schedule to prevent trespassing and encroachment from illegal miners and timber harvesters.

This co-op wants to forge relationships with reliable customers like Camino Verde to ensure that regenerative practices are implemented from the start and that a legitimate harvest based on thoughtful forest management can sustain the real costs associated with the conservation of this unique ecosystem. In the coming months we will work with communities to increase their nurseries' success at producing seedlings and to experiment with other untapped opportunities with Palo Santo, such as essential oil of the fruits and a test distillation of the lacquer-like and highly aromatic resin that flows freely from broken branches or wounds in the bark.

Palo Santo sticks cut to ~10 cm length for use as incense have become the internationally-sought commodity unit associated with the species. But the production of sticks leaves behind splinters and wood chips that can be repurposed to other supply chains such as essential oil and artisanal jewelry, providing additional added value opportunities to village-scale producers.

We believe that additional communities will follow this example in the future. With the help of the Piura Regional Agricultural Direction, we have already identified three additional communities with the intention to manage productive community forest reserves of Palo Santo. For regeneration to be impactful it has to be replicable.

Meanwhile, another community has already forged ahead with a sustainable forestry management plan for a 90 hectare (220 acre) area within the thousands of hectares the community protects as a Private Conservation Area. Biologists and community members worked hand in hand to inventory the forest’s “production area” exclusively for the harvest of naturally fallen trees.  Working together we are stronger, and the future of Palo Santo is brighter.

Appendix: Misconceptions about Palo Santo

Certain tree names are used and used again. Say Ironwood, or say Rosewood, and you might mean a species from Asia or the Americas, or of one botanical family or another. Some common names are, well, very common.

In this fashion, Palo Santo or holy wood is a name that refers to a variety of tree species in the Spanish-speaking world. Confining our summary to South America alone, the shared common name can be applied to the genera Tachigali (family Fabaceae), Triplaris (Polygonaceae), and most notably Bulnesia (Zygophyllaceae). None of the above are related to or look like or smell like our B. graveolens. None of the above grow in the Tropical Dry Forest of Peru either.

The Palo Santo also known as Bulnesia is a source of particular confusion, as the wood in question is aromatic and classified as Endangered on the IUCN Red List. The IUCN classification criteria (which in some cases attempts to estimate remaining populations for a species) are a primary source for one common misconception, causing many readers (and article writers) to erroneously believe that there are less than 250 Palo Santo trees left in the world.

To state it once again, Palo Santo and the forest where it is found are, without a doubt, under increasing threat from human development. But a single hectare of forest can contain more than those “250 remaining trees” cited by journalists who have not done their homework.

Recommended further reading on Palo Santo sustainability and endangered status can be found here: Dr. Kelly Ablard on Palo Santo


Palo Santo Seedlings
Palo Santo Seedlings
Dec 17, 2019

The Longest Day of the Year

Hello GlobalGiving Friends,

With the calendar year coming to a close, here in the Southern Hemisphere we are approaching the longest day, the shortest night.  At Camino Verde we look back with tremendous gratitude on everything 2019 brought us. This year has been challenging, rewarding, and singular.  Our work to bring real regeneration to the injured Amazon has grown in scale, and there will be more of that in 2020. 

As always, this is a time of year when we reach out to our friends, supporters, and allies to ask your help to start the coming year strong.  We know that many of you have supported us at a critical time of rebuilding earlier in 2019 – and we thank everyone who turned out to bring us back from the ashes after a serious fire we experienced in May.  Whether you have given every month or never before, we are so grateful to everyone who is inspired to donate to Camino Verde. 

But why contribute to Camino Verde?  How is it impactful? It’s only natural to want to know what good it does.

(Dipteryx micrantha - plant images in this report from artists in residence Maisie McNiece and Blair Butterfield)

That’s why for this year end Missive, we’re going to share 12 reasons why supporting Camino Verde is a meaningful way to celebrate the holidays.  If you’re curious to hear a round up of our impact this year or what is coming up on the horizon in 2020, don’t worry – the highlights of the year in review and the things we are most excited about for the future are in fact masquerading as 12 points below.  (How’s that for “stacking functions.”)

Non-timber forest products (NTFPs) is a category that includes medicines, fruits, aromas, and fibers.  Here we see an aromatic tree's fresh resin. 
1. For 12 years, Camino Verde has been planting trees in the Peruvian Amazon. We’ve covered over 85 hectares of deforested areas with native trees of 400 species – on the land we own, on the farms of smallholders, in native communities, in research plots on heavily degraded mining sites, on lands owned by the Peruvian government and by private companies.  But before November of this year, we had never before kept bees. With the expertise of Carlos – friend and specialist in Meliponas, or Amazonian stingless bees – we finally embarked on the agro-ecological adventure of native beekeeping.  

2. In 2019 fires raged throughout the Amazon, with some considering this a tipping point in ecological history.  In Madre de Dios we successfully fought fires around our largest tree nursery at La Joya and, sadly, at our reforestation center in Baltimori, where no more than a half dozen trees were lost, but also our main building was completely consumed in the flames.  A month ago we began work on the Phoenix House (Casa Fénix, aka “el dátil”) that will rise from the ashes – thanks to the support of you, our extended family, and a special grant from Pacha Soap. This was a material loss – making your donations more vital than ever – but thankfully nobody was hurt. 

Stingless bees from the Amazonian family Melipona, a significant addition to agroforestry systems.

3. The Camino Verde team grew and changed more than in any other year.  Our Peru team of 21 people now manages three tree nurseries, two active farms, and one brazil nut concession, totalling 2,300 hectares, or over 5,000 acres.  We were excited to welcome on Chief of Operations Estefania and Farm Coordinator Juan to the Camino Verde team. In 2020 we will hire a regional coordinator for Loreto and an additional distillation technician. 

4. In 2020 we begin work on an ambitious expansion of our agroforestry systems with Amazonian smallholders and native communities.  Thanks to first time funding from the Fondo Flamenco del Bosque Tropical and support from our longtime allies at Pacha Soap, in the next 2 years we will plant over 50,000 trees with 100 farmers.  10,000 of these trees will be the highly endangered (and producer of essential oil) Brazilian rosewood. 

5. Before the year closed out, we received our largest ever order of essential oils – including moena alcanfór, rosewood, and other species you may have read about in our missives.  We have finally confirmed proof of concept for harmless harvest of aromatic essential oils from endangered or vulnerable Amazonian tree species (that we reforest of course). This means that starting in 2020 we will be able to plant more aromatic native hardwoods with more farmers in more communities, growing our supply chain.

Aniba rosaeodora, Brazilian rosewood from the Peruvian Amazon

6. On a related note, thanks to our fruitful ongoing partnership with the Center for Amazon Community Ecology, we are now in discussion with two native communities in Loreto, northern Peruvian Amazon, to formalize agreements to reforest rosewood and also create forest conservation areas within the communities that will enhance the restoration impact of the polyculture agroforestry systems to be planted.  We started planting rosewood in the same communities back in 2013, and now several families receive significant income from harvests of branches for distillation.  

In one of the assemblies discussing Camino Verde’s proposal to expand rosewood planting, a community member stood up and mentioned that he and other community members had found rosewood seedlings many days’ canoe trip away – and were transplanting seedlings into their farms.  It was an incredible confirmation of the concept of rosewood regeneration going viral, spreading beyond our doing.

7. On the personal front, in June of 2019 CV’s Executive Director sustained a severe injury in a transit accident in Puerto Maldonado.  The CV team sprang to action to cover the bases during the ensuing 3 months when Robin was on medical leave. Thankfully the damage has healed and Robin is back online (and wrote the rest of this Missive besides this point).      

Rosewood seedlings heading to their planting location in 2013.

8. A long time dream came true.  CV had the chance to visit two communities in Peru’s tropical dry forest producing palo santo (Bursera graveolens) wood for incense.  Palo santo is one of several species of essential oils that we are now sourcing with distillation partners, so we visited forests and nurseries attempting enrichment planting of this vulnerable species.  Other oils produced by our partners include rare citrus from the Andes-Amazon transition zone and muña from the high sierra of the Cusco region. Our distillation partnerships connect us with far-reaching regions of this megadiverse country.  

9. Camino Verde received the honor of being named an “Illustrious Neighbor” by the Municipality of Tambopata for donation of native tree seedlings for urban arborism, most noticeably on the Plaza de Armas of departmental capital Puerto Maldonado. 

Palo santo is a keystone species of the tropical dry forest of Piura, Peru.  

10. We are excited about new tools for transparency in forest management and restoration.  In 2020 we roll out innovative mechanisms for supply chain transparency in essential oils.  And this year we were featured alongside carbon offset pioneer company Pachama in Fast Company – Camino Verde was their pilot project for the carbon capture verification tools of the future.  

11. We published our first book, over a decade in the making. Don Ignacio Duri Palomeque: Relatos de un Chamán de la Amazonía Peruana documents the extensive plant knowledge of the Amazonian herbalist who coined the phrase “camino verde.”  Don Ignacio’s suggestions have informed our organization since its inception, when we first got to planting the species he considered vital to the forest’s equilibrium. The first edition is Spanish-only.  The English version will be in 2020. 

12. In 2019 we welcomed two artists in residence to our reforestation center in Baltimori, Tambopata, Peru.  The plant portraits of Blair Butterfield and the botanical illustrations of Maisie McNiece that grace this Missive will be found in the 2nd edition of Don Ignacio’s book of plants.  Inspired by the species mentioned in the tales that make up the book, these masterful artists surpassed all expectations in the representation of teacher plants of the Peruvian Amazon. We welcomed Blair to the Camino Verde board earlier this year, and since then have received a flood of interest in our reinvigorated communications (here are those Insta and FB links).


Myroxylon balsamum, Balsam of Peru (Fabaceae).

Another year, another cycle, Camino Verde at a dozen years of age says thank you. 

We believe in symbiosis in 2020 as always.  We believe we can do better than we did before.  Thanks for supporting us, thanks for reading, thanks for accompanying this path we've been taking.


With our very best regards from Tambopata, Perú, 



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