特徵描述
作者
CHANG, CHING-EN
型態特徵
Trees and shrubs, often climbing. Leaves usually alternate, simple, estipulate. Flowers bisexual, rarely unisexual by abortion, actinomorphic, usually in panicles. Calyx 4–5-lobed, small. Petals 4–5, usually distinct or sometimes connate, valvate. Stamens as many as petals and alternate with them, distinct, the anthers 2-celled, usually introrse, sometimes 4-lobed, dehiscing longitudinally. Pistil 1, the ovary superior, 1-loculed, mostly 3- or 5-carpellate, the placentation apical; ovules 2, usually pendulous from locule apex, anatropous; style 1, the stigmas usually 3. Fruit usually a drupe, rarely a samara. Seed with straight or curved embryo; endosperm present.
屬
About 56 genera, of pantropical distribution. Three in Taiwan.
參考文獻
Gomphandra 毛蕊木屬
作者
CHANG, CHING-EN
型態特徵
Dioecious trees or shrubs. Branchlets slender, smooth. Leaves spiral, chartaceous to coriaceous, often tubercled beneath, penninerved. Flowers in short cymes, these several from an axillary peduncle, the male many, the female few flowered; calyx cupular, minutely 4–5-toothed; petals 4–5, free or coherent below. Disk absent or obscure. Male flowers: stamens 4–5, usually exserted; filaments flattened, with subclavate hairs on the ventral side below the anthers and dorsally at the connective; rudiment of ovary conspicuous. Female flowers: petals sometimes absent; ovary cylindric; stigma sessile, discoid, slightly 4–5-lobed or 4–5 crenate. Drupes ellipsoid or oblong, sometimes shortly beaked, base sometimes swollen; endocarp crustaceous or hard, with 8–10 longitudinal ridges especially prominent in the dry fruit.
