Melastoma 野牡丹屬
型態特徵
Shrubs; branches and branchlets strigose or villose. Leaves oblong or lanceolate, 3–7-nerved, petioled. Flowers terminal, solitary, clustered or panicled, showy, generally purple, 5- rarely 6–7-merous; calyx-tube with simple, rarely with peniculate hairs, the lobes deciduous; petals equal in number to the calyx--lobes; stamens twice as many as the petals, very unequal, alternate, the longer ones with purple anthers having the connectives long-produced at base and ter¬minating in two lobes, the shorter ones having yellow anthers, the connectives not produced but with two tubercles in front; ovary more or less united to the calyx-tube, 5-(rarely 6–7-) celled, the apex bearing bristles; style filiform, simple; ovules very numerous; placentas axile. Fruit coriaceous or somewhat fleshy, dehiscing irregularly; seeds minute, very many, curved through half a circle, minutely punctate.
Species about 100, southern Asia and Pacific islands. Three species in Taiwan.