| Noun | 1. | genus Molucella - small genus of aromatic herbs of Mediterranean regions; widely cultivated 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 bells of Ireland, molucca balm, Molucella laevis - aromatic annual with a tall stems of small whitish flowers enclosed in a greatly enlarged saucer-shaped or bell-shaped calyx |