The Yew plant is a shrub with evergreen-like leaves. Yew poisoning occurs when someone eats pieces of this plant.
Taxine is found in various kinds of the Yew plant. The poison is in most parts of the Yew plant, but the highest amount is in the seeds.
Hostetler M, Schneider S. Poisonous Plants. In: Tintinalli JE, Gabor DK, Stapczynski JS, et al, eds. Emergency Medicine: A Comprehensive Study Guide. 6th ed. New York, NY: McGraw-Hill; 2004:chap 205.