(thực vật học) cây thạch nam

noun 1 an area of open uncultivated land, esp. in Britain, with characteristic vegetation of heather, gorse, and coarse grasses. • Ecology vegetation dominated by dwarf shrubs of the heath family : [as adj. ] heath vegetation. 2 a dwarf shrub with small leathery leaves and small pink or purple bell-shaped flowers, characteristic of heathland and moorland. • Erica and related genera, family Ericaceae (the heath family): many species, including the common European cross-leaved heath ( E. tetralix).