The Collaborative International Dictionary
Vervain mallow
Vervain \Ver"vain\, n. [OE. verveine, F. verveine, fr. L. verbena, pl. verbenae sacred boughs of laurel, olive, or myrtle, a class of plants; cf. verbenaca vervain. Cf. Verbena.] (Bot.) Any plant of the genus Verbena.
Vervain mallow (Bot.), a species of mallow ( Malva Alcea) with rose-colored flowers.
Wiktionary
vervain mallow
n. (taxlink Malva alcea species noshow=1), a plant in the mallow family, native to southwestern, central and eastern Europe and southwestern Asia.