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Original source: Pacific Yew
Author: Jason Hollinger
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Pacific yew

It is a small to medium-sized evergreen tree, growing 1015 m tall and with a trunk up to 50 cm diameter, rarely more. In some instances, trees with heights in excess of 20m occur in parks and other protected areas, quite often in gullies. The tree is extremely slow growing, and has a habit of rotting from the inside, creating hollow forms. This makes it difficult to impossible to make accurate rings counts to determine a specimen's true age. Often damaged by succession of the forest, it usually ends up in a squat, multiple leader form.

potential was realized, the Pacific Yew was never commercially harvested from its habitat in the large scale; the widespread use of the paclitaxel was enabled when a semi-synthetic pathway was developed from extracts of cultivated yews of other species. Unlicenced pharmaceutical production use of closely-related wild yew species in India and China may be threatening some of those species. More

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