Classroom lesson Β· Dragon's Blood Tree Β· πŸ‡ΎπŸ‡ͺ Yemen

Dragon's Blood Tree

Socotra's upside-down umbrella tree with blood-red sap

Photo Β· Wikimedia Commons

What is it?

The dragon's blood tree is one of the most extraordinary-looking plants on Earth, and it grows almost nowhere except Socotra Island, Yemen. Its trunk shoots straight up like a pole and then suddenly fans out into a wide, flat, umbrella-shaped canopy of spiky leaves. When its bark is cut, it produces a bright red sap β€” the legendary 'dragon's blood'.

Tell me more

The tree's strange umbrella shape is not just for looks β€” it is a clever survival trick. In the hot, dry landscape of Socotra, the dense, shady canopy acts like a giant parasol, keeping the ground beneath cool and moist. The leaves also catch droplets of mist from sea breezes and drip water down to the roots below. The shape is the tree's own water-collection system.

Dragon's blood trees can live for hundreds of years. Scientists can estimate their age by counting the number of times the canopy branches β€” each split represents a period of flowering and growth. Some of the trees on Socotra are estimated to be over 300 years old, standing on the same hillside for centuries.

The red sap has been famous for at least 2,000 years. Ancient Romans used it as a dye for cloth and as a varnish for violins. Some musicians still use it today to polish stringed instruments. Traders once sailed across the ocean just to collect this valuable red resin from Socotra.

The dragon's blood tree is now carefully protected because its habitat β€” the high plateaus of Socotra β€” is fragile. Scientists and local communities work together to make sure the trees keep growing and that new seedlings survive to replace old trees when they eventually fall.

In the classroom

Walk your class through this in 15 minutes.

Talk together

Discussion prompts

  1. 01The dragon's blood tree collects water from mist using its leaf shape. Can you think of other animals or plants that have clever tricks for finding water in dry places?
  2. 02If you discovered a new tree with bright blue sap, what would you name it and what might the sap be useful for?
  3. 03Why is it important for scientists and local communities to work together to protect rare trees?
Try this

Classroom activity

Design a tree that is perfectly adapted to survive in a desert. Think about: How will it find or store water? What shape are its leaves? What colour is its bark? Draw your tree and write a 'Species File' for it β€” give it a name, describe its special features, and explain where it lives.