特徵描述
作者
LI, HUI-LIN
型態特徵
Trees with alternate, stipulate, digitately compound, deciduous leaves. Inflorescence axillary or terminal. Flowers regular, perfect, medium or large. Calyx cup-shaped, truncate or irregularly 3–5-lobed. Petals 5, imbricate. Stamens pentadelphous, opposite the petals, divided above into few or numerous filaments. Ovary 5-celled, superior, free; stigmas 5 or 1 and obscurely 5-lobed; ovules many in each cell. Fruit a loculicidally 5-valved capsule. Seeds with woolly or silky hairs; endosperm scant or absent.
屬
Genera about 20, widely distributed in the tropical regions. Two genera introduced into Taiwan, one of which is naturalized.
參考文獻
Bombax 木棉屬
作者
LI, HUI-LIN
型態特徵
Large trees with digitate, deciduous leaves. Peduncles axillary or subterminal, solitary or clustered, 1-flowered. Flowers large, red, appearing before the leaves; calyx leathery, cup-shaped, truncate or irregularly lobed; petals obovate; stamens pentadelphous, the bundles opposite the petals, divided above into numrous filaments; anthers reniform, 1-celled, the style clavate; stigmas 5; ovules many in each cell. Capsule loculicidally 5-valved, the valves leathery, woolly within. Seeds woolly.
