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Pseudotaxus chienii

Pseudotaxus chienii
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Product Information
Specification

Scientific name: Pseudotaxus chienii  (W.C.Cheng) W.C.Cheng  1947

Synonyms:Nothotaxus chienii (W.C.Cheng) Florin, Pseudotaxus liana Silba, Taxus chienii W.C.Cheng

Common names: White-berry yew, Bai dou shan (Chinese)

 

Description

Shrub to 4 m tall, with multiple trunks to about 0.3 m in diameter. Bark grayish brown to dark brown. Leaves shiny dark to rich green above, (0.5)1-2(-2.5) cm long, (2-)2.5-4(-4.5) mm wide, often somewhat sickle-shaped, usually widest near the base, tapering very gradually and then abruptly to the rounded tip topped by a prickle and abruptly to the rounded base on a very short petiole up to 1 mm long, the leaf edges slightly turned down. Pollen cones about 4-5 mm long, including the basal scales, and about 3-4 mm in diameter, with 6-12 pollen scales (actually extremely reduced simple cones). Seeds shiny chestnut brown, 5-8 mm long, 3-5 mm in diameter, seated in a thick, white aril a little longer and wider and more rounded than the seeds.

Very discontinuous in southeastern China, from Hunan to Zhejiang, south to Guangxi and Guangdong. Scattered in the understory of humid montane hardwood forests with either an evergreen or deciduous canopy, sometimes in more exposed sites on rock outcrops or drier soils; 500-1,300 m.

 

Conservation Status

Red List Category & Criteria: Vulnerable

(Pseudotaxus chienii has undergone a suspected population reduction in the past three generations (> 90 years) of more than 30% due to exploitation and habitat loss. The reduction is likely to be continuing but probably not at the same rate. It is uncertain if the reduction has exceeded the 50% threshold required for listing as Endangered. Consequently it is assessed as Vulnerable)

 

References

Farjon, A. (2010). A Handbook of the World's Conifers. Koninklijke Brill, Leiden.

Eckenwalder, J.E. (2009) Conifers of the World: The Complete Reference. Timber Press, Portland.

IUCN Red List of Threatened Species, International Union for Conservation of Nature and Natural Resources. Cambridge, UK /Gland, Switzerland

 

Copyright © Aljos Farjon, James E. Eckenwalder, IUCN, Conifers Garden. All rights reserved.

Product CodePSE2BZ4D11


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