找植物
找標本
電子書

Ranunculaceae

毛茛科

特徵描述
屬列表
Aconitum 烏頭屬
Anemone 銀蓮花屬
Calathodes 雞爪草屬
Cimicifuga 升麻屬
Clematis 鐵線蓮屬
Coptis 黃連屬
Dichocarpum 人字果屬
Ranunculus 毛茛屬
Semiaquilegia 天葵屬
Thalictrum 唐松草屬
Trollius 金蓮花屬
標本列表

Thalictrum 唐松草屬

作者

YANG, T. Y. ALECK and HUANG, TSENG-CHIENG

型態特徵

Erect sometimes dioecious, rarely polygamous perennial herbs; stem usually branching, smooth or sulcate; roots usually fibrous rarely tuberiferous. Leaves triternately to pentaternately compound; leaflets palmatilobate, few toothed, rarely unlobed; petiole base widely sheathing, often stipulate and stipellate. Inflorescence usually a monochasium, sometimes paniculate, corymbose, or racemose, terminal or axillary. Flowers small, bisexual or unisexual. Sepals 4-6 or more, greenish or white, sometimes rose-colored and petaloid, caducous; petals absent; stamens numerous, promi-nent, with or without connective, filaments filiform, linear or clavate, more or less thickened or/and dilated at apex, anthers small; carpels few to many, free, stipitate or sessile, ovule 1, pendulous, style beak-like, short or long, stigma deltoid to linear, on inner side of style; receptacle minute. Fruits achenes; achenes stipitate or not, elongate, commonly laterally flattened, sometimes narrowly winged, usually nerved.

About 200 species, widely distributed in the temperate and frigid zones of the northern hemisphere, a few extending to South America and South Africa; about 70 species in China, and 6 species in Taiwan.