Search results
Results from the WOW.Com Content Network
Taxus brevifolia, the Pacific yew or western yew, is a species of tree in the yew family Taxaceae native to the Pacific Northwest of North America. It is a small evergreen conifer , thriving in moisture and otherwise tending to take the form of a shrub .
Range in Canada Global rank Notes YK NT NU LB CA; BC AB SK MB ON QC NB PE NS NF; Taxus baccata English yew YK NT NU LB CA Secure Exotic BC AB SK MB ON QC NB PE NS NF Taxus brevifolia Pacific yew YK NT NU LB CA Secure BC AB SK MB ON QC NB PE NS NF Taxus canadensis Canada yew YK NT NU LB CA Secure BC AB SK MB ON QC NB PE NS NF
Taxaceae (/ t æ k ˈ s eɪ s i. iː,-ˌ aɪ /), commonly called the yew family, is a coniferous family which includes six extant and two extinct genera, and about 30 species of plants, or in older interpretations three genera and 7 to 12 species.
The Pacific yew (Taxus brevifolia), native to the Pacific Northwest of North America, and the Canada yew (Taxus canadensis) of Eastern and Central North America were the initial sources of paclitaxel or Taxol, a chemotherapeutic drug used in breast and lung cancer treatment and, more recently, in the production of the Taxus drug eluting stent ...
Taxus canadensis, the Canada yew [2] or Canadian yew, is a conifer native to central and eastern North America, thriving in swampy woods, ravines, riverbanks and on lake shores. Locally called simply as "yew", this species is also referred to as American yew or ground-hemlock. Most of its range is well north of the Ohio River.
Evidence based on growth rates and archaeological work of surrounding structures suggests the oldest yews, such as the Fortingall Yew in Perthshire, Scotland, may be in the range of 2,000 years, [24] [25] [26] placing them among the oldest plants in Europe. One characteristic contributing to yews' longevity is that, unlike most other trees ...
Pacific yew Taxaceae (yew family) 231 Taxus canadensis: Canada yew; American yew Taxaceae (yew family) Taxus chinensis: Chinese yew Taxaceae (yew family) Taxus cuspidata: Japanese yew Taxaceae (yew family) Taxus floridana: Florida yew Taxaceae (yew family) Taxus globosa: Mexican yew Taxaceae (yew family) Taxus × media: hybrid yew Taxaceae (yew ...
Species within the Torreya genus are all adapted to establish and grow slowly as subcanopy woody plants in forest habitats of moderate to dense shade. In this way, their leaf structure and growth habit resemble species of yew, genus Taxus, which is a close relative. [5] Torreya species are found in late seral and climax communities. Owing to ...