WHITLOW-GRASS

n. 1. Mountain knotgrass, a species of Illecebrium.
2. A name given to certain species of Draba.
The rue-leaved whitlow-grass is a species of Saxifraga.

whitlow-grass

whitlow-grass ▶noun [ mass noun ] a dwarf European plant with a rosette of leaves at the base of a low flowering stem, growing widely on rocks and walls. It was formerly believed to cure whitlows. ●Genus Erophila, family Cruciferae: several species, in particular E. verna.