Noun | 1. | ![]() asterid dicot genus - genus of more or less advanced dicotyledonous herbs and some trees and shrubs family Labiatae, family Lamiaceae, Labiatae, Lamiaceae, mint family - a large family of aromatic herbs and shrubs having flowers resembling the lips of a mouth and four-lobed ovaries yielding four one-seeded nutlets and including mint; thyme; sage; rosemary Collinsonia canadensis, horse balm, horseweed, richweed, stone root, stoneroot, stone-root - erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers; the eastern United States |