特徵描述
作者
LU, SHENG-YOU and YANG, YUEN-PO
型態特徵
Trees or shrubs, erect or scandent; stems glabrous or sometimes thorny. Leaves opposite or alternate, simple, membranous or chartaceous, penninerved, usually crenate, rarely entire; sti¬pules minute, simple, caducous, or none. Inflorescence axillary and/or terminal, racemose, cymose, thyrsoid, paniculate, fascicu¬late, or rarely a solitary flower, usually bracteate. Flowers mostly perfect, actinomorphic, usually greenish; sepals 4–5, free or united at the base; petals 4–5, free, inserted below a disc; stamens mostly 4–5, aletrnate with the petals, free, situated on or the edge of or beneath the disc, the anthers mostly 2 celled, usually longitudinally or laterally dehiscent; ovary 2–5 locular, entirely or partly surrounded by the disc, usually glabrous, sometimes pubescent, usually 2–5 celled; style short, or obscure, or lacking, the stigma capitate or lobed; ovules 1–2 or rarely more in each locule. Fruit a dehiscent capsule, rarely a berry or a samara; seeds erect or pendulous, usually arillate, the embryo with large foliaceous cotyledons.
屬
About 94 genera with about 1,300 species in the tropical and temperate regions, six genera in Taiwan.
參考文獻
Euonymus 衛矛屬
作者
LU, SHENG-YOU and YANG, YUEN-PO
型態特徵
Shrubs or small trees, erect or rarely scandent, deciduous or evergreen; branchlets usually 4 angled. Leaves opposite, rarely verticillate, petiolate, entire or serrate, usually gla¬brous; stipules caducous, lanceolate. Inflorescence cymose, axillary, pedunculate. Flowers 4–5-merous, usually perfect; calyx 4–5 lobed; petals 4–5, inserted under the disc, entire or dentate fimbriate; stamens 4–5, inserted on the disc, rarely at the margins of the disc, the filaments short; ovary immersed in the disc and confluent with it, 4–5 celled. Fruit a capsule, 4–5 loculed, rarely 3 loculed, angular, glabrous or echinate; seeds 2 in each locule, enclosed in a fleshy aril.
