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Rosaceae

薔薇科

特徵描述
屬列表
Agrimonia 龍牙草屬
Aria 赤楊葉梨屬
Cotoneaster 舖地蜈蚣屬
Crataegus 山楂屬
Duchesnea 蛇莓屬
Eriobotrya 枇杷屬
Filipendula 蚊子草屬
Fragaria 草莓屬
Geum 水楊梅屬
Macromeles 海棠屬
Malus 蘋果屬
Osteomeles 小石積屬
Photinia 石楠屬
Potentilla 翻白草屬
Pourthiaea 老葉兒樹屬
Prinsepia 假甹莢屬
Prunus 梅屬
Pyracantha 火刺木屬
Pyrus 梨屬
Rhaphiolepis 石斑木屬
Rosa 薔薇屬
Rubus 懸鉤子屬
Sanguisorba 地榆屬
Sibbaldia 五蕊莓屬
Sorbus 花楸屬
Spiraea 繡線菊屬
Stephanandra 冠蕊木屬
標本列表

Potentilla 翻白草屬

作者

OHASHI, HIROYOSHI

型態特徵

Perennial herbs or rarely annual herbs or shrubs. Leaves radical or alternate, digitately 3- to 7-foliolate or pinnately compound, the stipules adnate to the base of the petiole. Inflorescence usually cymose-paniculate, rarely solitary; calyx-tube concave, calyx-lobes 5, alternate with the bracts of the calycles; petals 5 (rarely 4), deciduous, obcordate or rounded, usually not clawed, yellow, white or rarely dark-purple; stamens usually about 20; anthers more or less didymous; filaments filiform or subulate; receptacles hemispheric or conical; carpels usually many, rarely 10 or fewer; styles lateral or terminal, persistent or deciduous, long and filiform or short. Fruits achenes, numerous, minute, smooth or pilose, sessile, 1-seeded. Seeds pendulous or ascending.

About 500 species in the northern temperate and boreal regions, a few in the southern temperate; six species recognized in Taiwan.