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
Litchi 荔枝屬
作者
CHEN, CHING-HSIA
型態特徵
Trees. Leaves even-pinnate; leaflets of 2–4 pairs, elliptical-oblong or lanceolate, acute at apex, glabrous on both surfaces, paler beneath. Inflorescence paniculate, terminal. Flowers actinomorphic, polygamous, greenish-white or yellowish; calyx small, valvate; petals absent; disc fleshy; stamens usually 8, filament pubescent; ovary 2–3-celled with one ovule in each cell, superior, pubescent at base; styles 2. Frui ta drupe, pericarp emargence. Seed covered with an aril, separate; embryo straight.
