| Taxus brevifolia Nutt. |
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Family | Taxaceae — APG family: Taxaceae |
Common name | western yew |
Description | Dioecious shrub or small tree, up to 10 meters tall (at least in British Columbia), with horizontal or drooping branches; needles in two rows, shiny dark green above, pale beneath; seeds surrounded by juicy, scarlet, cuplike disk (aril). |
Ecology | Undergrowth of dense woods and thickets, usually very scattered. Broken line on circumpolar map indicates range of Taxus sp. occurring in Eurasia and North America, all closely related to T. brevifolia. |
Uses | Scarlet disks are not poisonous, but seeds contain poisonous toxin, causing vomiting, diarrhea, and inflammation of urinary ducts and the uterus. |