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Celastraceae

衛矛科

特徵描述
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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.

About 94 genera with about 1,300 species in the tropical and temperate regions, six genera in Taiwan.

參考文獻

Celastrus 南蛇藤屬

作者

LU, SHENG-YOU and YANG, YUEN-PO

型態特徵

Deciduous, rarely evergreen shrubs, usually scandent. Leaves alternate, petiolate, entire or serrate, the stipules small. Flowers solitary or in cymes or panicles, axillary or terminal, hermaphroditic, sometimes unisexual; calyx 5 lobed; petals 5, inserted under the disc; stamens 5, with short fila¬ments; disc cupular, concave, entire or crenate; ovary superior, 3–4 celled, the style short, the stigma 3–4 lobed; ovules 2 in each cell. Fruit a capsule, usually yellowish, dehiscent into 3–4 valves; seeds arillate, the endosperm copious.

參考文獻

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