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Amaranthaceae

莧科

APG 4
Flora of Taiwan
特徵描述
屬列表
Achyranthes 牛膝屬
Aerva 絹毛屬
Alternanthera 蓮子草屬
Amaranthus 莧屬
Celosia 青葙屬
Cyathula 川牛膝屬
Deeringia 漿果莧屬
Digera 瘤果莧屬
Gomphrena 千日紅屬
Philoxerus 安旱莧屬
Pupalia 鉤牛膝屬
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特徵描述

作者

LIU, TANG-SHUI and KAO, MUH-TSUEN

型態特徵

Erect, prostrate or scandent annual or perennial herbs, rarely undershrubs. Leaves alternate or opposite, simple, entire or obsoletely serrate-dentate, extipulate. Flowers small, greenish, white, pink, rarely yellow, actinomorphic, usually bisexual, in spikes, heads, racemes or panicles; bracts and bracteoles often scarious, the bracteoles sometimes hooked; perianth segments 3–5, free or nearly so, imbricate, more or less dry and membranaceous, mostly falling with fruit, rarely persistent; stamens as many as and opposite the perianth segments, hypogynous, filaments usually united at base into a cup or tube, often with staminodes between them, anthers 1 or 2-celled; ovary of 2 or 3 united carpels, superior, 1-celled, with 1 to many ovules on a basal funicle, the style present or not, stigma capitate or 2 or 3-fid. Fruit mostly an utricle or a circumscissile capsule, rarely a berry or drupe; seeds often lenticular, smooth; embryo annular, surrounding the mealy endosperm.

Genera about 64, with about 800 species mainly in the tropical regions of the world; nine genera with 19 species, including some introduced ones, in Taiwan.

參考文獻

作者

型態特徵

參考文獻

種列表

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