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East Himalayan Yew

Taxus wallichiana

Declining

Overview

Taxus wallichiana (Himalayan Yew)

Taxus wallichiana is a slow-growing evergreen conifer that can reach heights of 10-20 meters. This dioecious species features dark green needle-like leaves arranged spirally on branches, with male and female reproductive structures occurring on separate trees. The species produces distinctive red berry-like arils containing toxic seeds.

As a long-lived tree, it plays a crucial role in montane forest ecosystems, providing habitat for various wildlife species and contributing to watershed protection.

The Himalayan yew inhabits subtropical and tropical moist montane forests across a broad range from the Himalayas through Southeast Asia, including Nepal, Bhutan, India, China, Myanmar, Thailand, Vietnam, Laos, Indonesia, and the Philippines. It typically grows at elevations between 1,800-3,300 meters in rocky areas and mixed forest environments.

The species faces severe pressure from multiple threats. Extensive logging targets the tree for its valuable timber and bark, which contains taxol—a compound used in cancer treatment. Agricultural expansion for crop cultivation has resulted in significant habitat loss. Additionally, overharvesting for medicinal purposes has depleted wild populations across much of its range.

Conservation efforts include legal protection in several countries, establishment of protected areas within its range, and research into sustainable cultivation methods. Some botanical gardens and research institutions maintain ex-situ collections for genetic preservation.

The species' outlook remains concerning due to its extremely slow growth rate, which limits natural recovery. Continued habitat pressure and harvesting demands suggest population decline will persist without enhanced protection measures and successful cultivation programs.

Taxus wallichiana, a valuable tree species, faces ongoing pressure from people cutting down trees for timber and wood products, as well as from the expansion of farmland where crops are grown year-round. Additionally, the harvesting of fish and other water-based resources in areas where these trees grow is creating further stress on their populations. All of these threats are currently ongoing with no clear indication that the pressure on this species is decreasing.

Threat summary

Habitat

Forest· majorForest - Subtropical/tropical moist montane· majorRocky areas· major

Conservation measures underway

Site/area protectionLegislation

Frequently asked questions

Why is East Himalayan Yew classified as Endangered?
East Himalayan Yew is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Taxus wallichiana, a valuable tree species, faces ongoing pressure from people cutting down trees for timber and wood products, as well as from the expansion of farmland where crops are grown year-round. Additionally, the harvesting of fish and other water-based resources in areas where these trees grow is creating further stress on their populations. All of these threats are currently ongoing with no clear indication that the pressure on this species is decreasing.
Where does East Himalayan Yew live?
East Himalayan Yew occurs in Bhutan, China, India, Indonesia, Laos, and Myanmar (Burma) (plus 4 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to East Himalayan Yew?
The main threats to East Himalayan Yew are 2.1, 5.3, and 5.4. The full IUCN-classified threat record for this species is detailed on the species page.

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