Betula albosinensis Betula albosinensis Betula albosinensis, the "'Chinese red birch"), syn. "B. bhojpattra" var. "sinensis", "B. utilis" var. "sinensis", is a species of birch in the family Betulaceae, native to Western China. It is a deciduous tree growing to . A particular feature is the peeling brown bark (cream when newly exposed). In fact the Latin specific name "albosinensis" means "white, from China". Brown catkins are produced in Spring. "Betula albosinensis" is grown as an ornamental tree for parks and large gardens, and numerous cultivars have been produced. The cultivars 'China Rose' and 'Red Panda' have gained the Royal Horticultural Society's Award
Betula lenta male catkins pendulous, the female catkins erect. The fruit, maturing in fall, is composed of numerous tiny winged seeds packed between the catkin bracts. Seed production mainly occurs in trees that are between 40 and 200 years old, although light crops may occur as early as 15 years and as long as the tree lives. Contrary to common knowledge, the lifespan of "B. lenta" is typically around 200 years, and many individuals will reach 250 and even 300 years. The oldest known "B. lenta" has been confirmed to be 368 years old, and the species may live even longer than