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
Urtica 蕁麻屬
型態特徵
Monoecious or dioecious, annual or perennial herbs with stinging hairs. Leaves opposite; cystoliths punctiform; petioles long; stipules lateral. Inflorescences unisexual or androgynous, axillary, racemose or paniculate. Male flowers: perianth deeply 4-lobed; stamens 4. Female flowers: perianth deeply 4-parted, segments unequal; stigma sessile, penicillate. Achenes ovoid or oblong, compressed, enclosed by the persistent perianth.
About 80 species, mostly in north temperate regions, some in the subtropics. Two species in Taiwan.