sourwood

noun

A small deciduous tree (Oxydendrum arboreum) in the heath family that is native to the eastern United States and has drooping panicles of small white urn-shaped flowers.

noun

See Oxydendrum.

noun

The sorrel tree.

noun

A North American deciduous shrubby tree, of the genus Oxydendrum, having deep fissures in its bark, and sour tasting leaves

noun

An Australian tree, of the genus Hibiscus; the sorrel tree

noun

deciduous shrubby tree of eastern North America having deeply fissured bark and sprays of small fragrant white flowers and sour-tasting leaves