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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 .
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 ...
Taxines are also absorbed efficiently via the skin and Taxus species should thus be handled with care and preferably with gloves. [26] Taxus Baccata leaves contain approximately 5 mg of Taxines per 1g of leaves. [24] The estimated lethal dose (LD min) of taxine alkaloids is approximately 3.0 mg/kg body weight for humans.
Taxus chinensis is a species of yew. It is commonly called the Chinese yew , though this term also refers to Taxus celebica or Taxus sumatrana . This plant is used to produce medicines for cancer treatment, [ 3 ] [ 4 ] including Paclitaxel [ 5 ] and Taxifolin (found in Taxus chinensis var. mairei) . [ 6 ]
They are many-branched, small trees and shrubs.The leaves are evergreen, spirally arranged, often twisted at the base to appear 2-ranked.They are linear to lanceolate, and have pale green or white stomatal bands on the undersides.
Taxus baccata is a species of evergreen tree in the family Taxaceae, native to Western Europe, Central Europe and Southern Europe, as well as Northwest Africa, northern Iran, and Southwest Asia. [4] It is the tree originally known as yew , though with other related trees becoming known, it may be referred to as common yew , [ 5 ] European yew ...
It is most prominently given to any of various coniferous trees and shrubs in the genus Taxus: European yew or common yew (Taxus baccata) Pacific yew or western yew (Taxus brevifolia) Canadian yew (Taxus canadensis) Chinese yew (Taxus chinensis) Japanese yew (Taxus cuspidata) Florida yew (Taxus floridana) Mexican yew (Taxus globosa)
Taxus brevifolia: Pacific yew Taxaceae (yew family) 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 ...