特徵描述
作者
LI, HUI-LIN and YANG, KUOH-CHENG
型態特徵
Trees, shrubs or suffrutescent subshrubs. Leaves opposite or rarely alternate, simple, usually deciduous, petioled, estipulate. Flowers small, bisexual or unisexual, actinomorphic, in cymes or panicles or head, sometimes with showy foliaceous bracts. Sepals 4–5, distinct, valvate. Petals 4(–5) distinct mostly valate. Stamens of same number as petals and alternate with them, distinct; anthers 2-celled, basifixed or dorsifixed. Ovary inferior, 2–4- or rarely 1-celled; placentation usually axile; ovule 1 in each cell, pendulous, anatropous; style 1 or several, arising from an epigynous ring or disc, the stigmas as many as styles and subcapitate. Fruit a drupe, sometimes a berry or rarely a syncarp. Seeds with small embryo in copious endosperm.
屬
About 13 genera, widely distributed in the tropical and temperate regions of the world; four in Taiwan.
參考文獻
Swida 梜木屬
作者
LI, HUI-LIN and YANG, KUOH-CHENG
型態特徵
Trees and shrubs, glabrous or hairy, the hairs often centrally attached. Leaves opposite or altinate, petioled, entire. Flowers small, hermaphroditic, white or yellow, in branched cymes; calyx campanulate or urn-shaped, the limb with 4 short or long teeth; petals 4, oblong, valvate; stamens 4, the anthers oblong; ovary usually 2-celled, the style filiform or cylindric, the stigma capitate, subbilobed; ovule solitary in each cell, pendulous. Drupes ovoid, 2-celled, 2-seeded; endocarp bony; seeds oblong, compressed; endosperm fleshy; cotyledons leafy.
