Cephalotaxus harringtonia, also known as Japanese plum yew or cowtail pine, is a species of coniferous evergreen tree in the family Cephalotaxaceae. It is native to eastern Asia, including Japan, Korea, and China.
The tree typically grows to be 10-15 meters tall and has dark green, leathery leaves that are about 2-7 centimeters long. It produces small, inconspicuous flowers that are either male or female and are borne on separate trees. The female trees produce small, fleshy fruits that are about 1-2 centimeters in diameter and contain a single seed.
Cephalotaxus harringtonia is commonly used in landscaping and is prized for its attractive foliage and tolerance of shade. It is also used in traditional medicine to treat a variety of ailments, including asthma, bronchitis, and rheumatism. However, the plant contains toxins and should not be ingested.
There are several cultivars of Cephalotaxus harringtonia that are commonly grown, including 'Fastigiata', which has a narrow, columnar shape, and 'Prostrata', which has a spreading, groundcover-like habit.