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[[File:Taxus brevifolia Blue Mts WA.jpg|thumb|right|''Taxus brevifolia'']]
'''Taxus brevifolia''' is a conifer native to the Pacific Northwest of North America. It ranges from southernmost Alaska south to central California, mostly in the Pacific Coast Ranges, but with isolated disjunct populations in southeast British Columbia in north to central Idaho.
==Uses==
{{Uses|Diphtheria}}, {{Uses|Tapeworms,}}, {{Uses|Swollen tonsils}}, {{Uses|Seizures}}, {{Uses|Muscle and joint pain}}, {{Uses|Urinary tract conditions}}, {{Uses|Liver problems}}, {{Uses|Breast cancer}}, {{Uses|Ovarian cancer}}.
==Chemical Composition==
The Pacific yew is poisonous because it contains at least 11 alkaloids, known collectively as taxines. The structure of only two of the alkaloid constituents is known: taxine A, which accounts for 30%, and taxine B, which accounts for 2%. Paclitaxel (Figure 128-1) is a pseudoalkaloid but not a constituent of taxine because its nitrogen is acylated with benzoic acid and has no basic principle.<ref name="chemical composition"/>
==Common names==
==How to plant/cultivate==
Thrives in almost any soil, acid or alkaline, as long as it is well-drained.<ref name="How to plant/cultivate"/> ==Season to grow== ==Soil type required==Suitable for light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil.<ref name="Soil type required"/> ==Ecosystem/Climate==Ponderosa pine, Western white pine, Fir - spruce, Hemlock - Sitka spruce, Larch, Redwood.<ref name="Ecosystem"/>
==Commonly seen growing in areas==
==Photo Gallery==
<gallery class="left" caption="" widths="140px" heights="140px">
Taxus brevifolia (Pacific yew) - Flickr - brewbooks (1).jpg
Taxus brevifolia (Pacific yew) - Flickr - brewbooks (2).jpg
Pacific yew.jpg
PacificYew 7591.jpg
</gallery>
==References==
<references>
<ref name="chemical composition">[https://clinicalgate.com/taxus-brevifolia-pacific-yew/ "Chemical constituents"]</ref> <ref name="Leaf">[http://dendro.cnre.vt.edu/dendrology/syllabus/factsheet.cfm?ID=259 Plant decsription]</ref><ref name="How to plant decsription/cultivate">[https://www.pfaf.org/user/Plant.aspx?LatinName=Taxus+brevifolia Cultivation details]</ref><ref name="Ecosystem">[https://www.fs.fed.us/database/feis/plants/tree/taxbre/all.html Climate required]</ref>
<ref name="How to plant/cultivateSoil type required">[https://www.pfaf.org/user/Plant.aspx?LatinName=Taxus+brevifolia "Cultivation details"#:~:text=Suitable%20for%3A%20light%20(sandy),prefers%20dry%20or%20moist%20soil. Soil type required]</ref>
</references>
