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
Allophylus 止宮樹屬
作者
CHEN, CHING-HSIA
型態特徵
Small trees or shrubs. Leaves 1- or 3- foliolate; estipulate; leaflets entire or serrate. Inflorescence axillary racemes, simple or branched. Flower small, polygamo-dioecious, globose, shortly pedicellate, white or yellowish; sepals 4 in opposite pairs, hooded, membranaceous, widely imbricated, the two outer ones smaller; petals 4, the place of the fifth vacant, small or reduced, sometimes declinate, naked within or usually with 4 glands opposite the petals; stamens 8, inserted on the receptacle inside the disk; ovary usually 2-lobed and 2-celled; ovules in the cells solitary. Fruit indehiscent, usually 1–2-lobed, the lobes sugblobose, fleshy or dry. Seeds usually with one short fleshy aril.
