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Dragon tree. © Igor Tichonow / Adobe Stock

Dragon tree. © Igor Tichonow / Adobe Stock

Cabo Verdean dragon tree

An island legend

Species

The charismatic dragon tree earned its name from Greek mythology. In Hercules’ 11th labour, he was to bring back three golden apples from the garden of the Hespérides, which was guarded by the hundred-headed dragon, Landon. Slaying the dragon caused red blood to flow out over the land, from which ‘dragon’ trees began to sprout.

Young trees grow a single, slender stem, topped with a crown of prickly, sword-shaped leaves. The dragon tree grows extremely slowly, reaching around 1.2 metres after a decade. At this time, the first greenish-white perfumed flowers appear. Sweet-tasting orange berries – slightly smaller than a cherry, and covered in a red, resinous substance – follow soon after. A crown of buds then sprouts and forms new branches. This adaptive growth pattern repeats every 10-15 years or so, resulting in the tree’s densely-branched, umbrella-like appearance.

Cutting the bark or leaves of the dragon tree exposes a red sap, known as dragon’s blood. This substance is used in traditional medicines against aches and pains.

Fascinating facts about dragon trees

    The Cabo Verdean dragon tree is endemic to the archipelago, occurring nowhere else across the world.

    Cape Verdean dragon tree on Brava island. © Biflores

    Cape Verdean dragon tree on Brava island. © Biflores

    The Cabo Verdean dragon tree is naturally found in dry forests on steep cliffs and in high mountain habitats.

    67 km2

    The size of Brava, where Fauna & Flora is working to conserve the dragon tree habitat

    Cabo Verdean dragon tree © Biflores

    Cabo Verdean dragon tree © Biflores

    Dragon trees do not form annual growth rings, so are aged based on their number of dividing branches.

    Six

    The number of islands on which the Cabo Verdean dragon tree naturally grows.

Cuts in the bark of Cabo Verdean dragon tree. © Haleigh Jorgeson / Biflores

Cuts in the bark of Cabo Verdean dragon tree. © Haleigh Jorgeson / Biflores

Cuts in the bark of a dragon tree expose a red sap, known as dragon’s blood.

What are the main threats to the Cabo Verdean dragon tree?

Of Cabo Verde’s endemic plants, 78% are threatened with extinction and a complex web of factors contribute to the decline of the dragon tree. Free-roaming domestic animals, with unrestricted access to palatable young plants, seriously affect the species’ natural regeneration. Non-native invasive plants bring additional threats by outcompeting the dragon tree, and intentional gathering of tree material, for firewood and other uses, adds to the species’ struggle to establish healthy populations. In the future, increasing aridity due to global climate change may limit the area available for dragon trees to thrive, driving the species ever-further towards the tops of mountains.

Dragon tree covered in invasive flowers. © Biflores

Dragon tree covered in invasive flowers. © Biflores

Invasive plants outcompete a Cabo Verdean dragon tree.

How can we help save the Cabo Verdean dragon tree?

Over the past year, Fauna & Flora, supported by the Global Trees Campaign, has been working with Biflores, Cabo Verde’s first and only flora-focused conservation NGO, to conserve Cabo Verdean dragon trees on the isolated island of Brava, where currently the species is found across just 16km2. Through conducting surveys and pinpointing threats, the team has developed a series of conservation approaches.

Planting new trees and introducing management plans to limit grazing of young trees will help to address low natural regeneration. Removal of invasive species and the upcoming creation of new protected areas will help secure mature populations. Raising the profile of plant conservation on Brava by highlighting the key role of trees in securing ecosystem services forms part of the team’s work with the island’s communities to help the species’ long-term conservation.

This combined effort will not only bring conservation benefits for the endemic dragon tree, but for Brava’s flora in general, ensuring it will continue to be known as “the island of flowers”.

Dragon tree fieldwork. © Elisa Dierickx / Fauna & Flora

Dragon tree fieldwork. © Elisa Dierickx / Fauna & Flora

Fieldwork to conserve Cabo Verdean dragon trees on the isolated island of Brava.

Dragon tree, Brava. © Biflores

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Dragon tree, Brava. © Biflores