Easton's Bible Dictionary: M. G. Easton, M.A., D.D.
Heb.libneh, "white", (Gen. 30:37; Hos. 4:13), in all probability the storax tree (Styrax officinalis) or white poplar, distinguished by its white blossoms and pale leaves. It is common in the Anti-Libanus. Other species of the poplar are found in Palestine, such as the white poplar (P. alba) of our own country, the black poplar (P. nigra), and the aspen (P. tremula).