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Focus On: Big tree rhododendron

Rhododendron protistum var. giganteum is the largest rhododendron in the world, hence the name big tree rhododendron. Its size and beauty have contributed to its downfall – one of the threats to it is overharvesting of seeds for use in ornamental gardens around the world.

Learn more about our work to save the big tree rhododendron on the Global Trees Campaign website.

Big tree rhododendron quick facts

• An adult tree can reach around 1 metre in diameter and up to 20-25m in height - that’s roughly as tall as a seven storey building!
• The number of individual trees left in the wild is unknown but could be anywhere from 100 to 1400
• All occur in Gaoligongshan Nature Reserve in south west China
• Low population numbers and very restricted area of occurrence mean it is a high priority for conservation
• Not listed on the IUCN Red List but considered critically endangered in China
• Threats: habitat loss and fragmentation, seed collection for ornamental use, high mortality of seedlings

IYB Issue: Building the capacity of protected area staff In a world of smaller and smaller natural areas, nature reserves and national parks are vital refuges for biodiversity. The big tree rhododendron is an extreme example – all known individuals are in one reserve. So the survival of the species hinges on the ability of the reserve staff to protect it. If we are to save the planet’s biodiversity, we must help to build up the skills and resources available to the people that manage protected areas. Learn how FFI is building in-country capacity.

 

“Rhododendrons are known for their beauty but this giant really is a magnificent tree. Although it appears there are very few left in the wild, the good news is that they are in a nature reserve and the staff there are keen to protect and restore the species.

 

The Global Trees Campaign is helping them to do so - identifying why the species is not reproducing successfully and building on local pride in the tree to improve its protection. ”

- Dr Georgina Magin, FFI Global Trees Campaign

Learn more about our work to save the big tree rhododendron on the Global Trees Campaign website.

Did you know? The Global Trees Campaign is working on a Red List of Rhododendrons. Nearly half of the world’s 1,000 wild types of rhododendron are found in China. Learn about the Red List work on the Global Trees Campaign website.

 

Useful links:
Global Trees Campaign