特徵描述
屬列表
Boehmeria 苧麻屬
Chamabainia 蟲蟻麻屬
Cypholophus 瘤冠麻屬
Debregeasia 水麻屬
Dendrocnide 咬人狗屬
Droguetia 單蕊麻屬
Elatostema 樓梯草屬
Girardinia 蠍子草屬
Gonostegia 石薯屬
Laportea 桑葉麻屬
Lecanthus 盤花麻屬
Leucosyke 四脈麻屬
Maoutia 水絲麻屬
Nanocnide 花點草屬
Oreocnide 紫麻屬
Parietaria 牆草屬
Pellionia 赤車使者屬
Pilea 冷水麻屬
Pipturus 落尾麻屬
Pouzolzia 霧水葛屬
Procris 烏來麻屬
Urtica 蕁麻屬
標本列表
Laportea 桑葉麻屬
型態特徵
Monoecious or dioecious, herbs or shrubs with stinging hairs. Leaves spirally arranged, margins variously toothed; stipules connate. Inflorescences axillary, dichotomously cymose panicles or rarely simple racemes. Flowers unisexual, 4- or 5-merous, in loose glomerules; perianth segments connate in bud, male perianth splitting at anthesis, segments of female perianth unequal. slightly imbricate; pedicels of female flowers winged. Fruit usually a reflexed achene.
About 21 species in tropical and warm temperate eastern Asia and eastern North America. Two species in Taiwan.
