''Cephalotaxus wilsoniana'' is a species of

coniferous Conifers () are a group of conifer cone, cone-bearing Spermatophyte, seed plants, a subset of gymnosperms. Scientifically, they make up the phylum, division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a sin ...

tree in the yew family,

Taxaceae Taxaceae (), commonly called the yew family, is a coniferous family (biology), family which includes six Extant taxon, extant and two extinct genera, and about 30 species of plants, or in older interpretations three genera and 7 to 12 species. ...

. Its common names include Taiwan plum yew, Taiwan cow's-tail pine,''Cephalotaxus wilsoniana''.
The Gymnosperm Database. and Wilson's plum yew. The taxon name, ''Cephalotaxus wilsoniana'', is disputed by many authorities: A Chinese online database gives its revised name as '' Cephalotaxus sinensis'' var. ''wilsoniana,'' while

Plants of the World Online Plants of the World Online (POWO) is an online taxonomic database published by the Royal Botanic Gardens, Kew. History Following the Convention on Biological Diversity, the Royal Botanic Gardens in Kew launched Plants of the World Online i ...

and other authorities consider it to be the species '' Cephalotaxus harringtonii.'' (In synonymising this name with ''C. harringtonia'', Plants of the World online cites several authorities.)Chang, C.-S., Kim, H. & Chang, K.S. (2021). Checklist of Far East Asian Vascular Flora 1: 1-626. EABCN, Seoul. ited as Cephalotaxus harringtonia./ref> Farjon, A. (2010). A handbook of the world's Conifers 1: 1-526. BRILL, Leiden, Boston. ited as Cephalotaxus harringtonii var. wilsoniana./ref>Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. ited as Cephalotaxus sinensis var. wilsoniana./ref>Lang, X.D., Su, J.R., Lu, S.G. & Zhang, Z.J. (2013). A taxonomic revision of the genus Cephalotaxus (Taxaceae). Phytotaxa 84: 1-24. ited as Cephalotaxus harringtonii./ref>

Description

It is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

to Taiwan, scattered in montane forests at altitudes of . As ''Cephalotaxus wilsoniana'' is dioecious, and grows scattered amongst broad-leaved trees, the fecundity is not strong. In addition, the seed maturity period is very long. As germination and growth are also slow, ''Cephalotaxus wilsoniana'' is not commonly found. This conifer grows up to tall with drooping branches and reddish-brown flaky bark. It grows in scattered populations in the woodlands of Taiwan. It is sometimes cultivated in local gardens. The wood of ''Cephalotaxus wilsoniana'' is light yellowish brown with dense structure and excellent quality, which can be used for construction, furniture, agricultural appliances. A variety of plant alkaloids can be extracted from leaves, branches, roots and seeds. File:臺灣粗榧 - 溪頭自然教育園區 Cephalotaxus wilsoniana - Xitou Nature Education Area, Taiwan 20220316205506 14.jpg, The buds/new branches at the front end of each branch are often three. File:臺灣粗榧 - 溪頭自然教育園區 Cephalotaxus wilsoniana - Xitou Nature Education Area, Taiwan 20220316205506 13.jpg, The stomata on the back of the leaf form two light green bands. File:臺灣粗榧 - 溪頭自然教育園區 Cephalotaxus wilsoniana - Xitou Nature Education Area, Taiwan 20220316205506 03.jpg, Female inflorescence File:臺灣粗榧 - 溪頭自然教育園區 Cephalotaxus wilsoniana - Xitou Nature Education Area, Taiwan 20220316205506 04.jpg, "Naked seed"

References

{{Taxonbar, from=Q1762206 wilsoniana Endemic flora of Taiwan Trees of Taiwan Taxa named by Bunzō Hayata