特徵描述
作者
CHEN, CHING-HSIA
型態特徵
Trees, shrubs, vines or rarely herbs. Leaves usually alternate, pinnately or palmately compound, rare simple; stipules none or in some climbing species present. Flower usually small, unisexual or bisexual, in racemes, panicles or corymbs, actinomorphic or commonly zygomorphic; calyx 4–5, imbricate or valvate sepals; petals 4–5 or wanting, often with hairs or scales at the base inside; hypogynous discs well developed, situated between petals and stamens; stamens usually 8–10, the filaments distinct or united at base; ovary superior, 2–4-celled, with one or more ovules in each cell; placentation axile or parietal, the style simple or divided. Fruit various, drupaceous or capsular, entire or lobed, sometimes winged. Seeds often arillate globose or compressed, albuminous or exalbuminous.
屬
About 150 genera and over 1,500 species, of wide distribution in the tropics and warm region.
參考文獻
Pometia 番龍眼屬
作者
CHEN, CHING-HSIA
型態特徵
Tall trees. Leaves alternate, pinnate; the leaflets subopposite, entire or serrate. Inflorescence racemes simple or paniculate, elongated, slender. Flower regular, polygamous, fascicled, small, shorter than their pedicels; sepals 4–5, valvate; petals 4–5, small, usually without scales; disc complete, annular, lobed; stamens 4–8, inserted within the disc, at length much exserted; anthers small; ovary 2–3-celled; ovules solitary; styles elongated; the stigma obtuse, emarginate. Fruit 1–2-coccous, the lobes subglobose or ellipsoid, indehiscent, smooth. Seeds exalbuminous, covered with a mucilaginous aril.