A modern reference to temperate woody plants, including updated content from this site and much new material, can be found at Trees and Shrubs Online.




A genus of two species of deciduous shrubs, natives of China. Involucre of fruit leafy, tubular, not membranous and bladder-like as in Ostrya, to which it is allied. The second species, O. nobilis Balf. f. & W. W. Sm., was discovered by Forrest in Yunnan in 1913 but is probably not in cultivation.

Species articles