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Ranunculaceae

毛茛科

APG 4
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

Ranunculus 毛茛屬

作者

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

型態特徵

Annual or perennial herbs, terrestrial (most), aquatic or semi-aquatics; upright, spreading or sometimes creeping. Roots fibrous and/or stoloniferous rhizomes. Leaves dimorphic or monomorphic, simple, ternate, pinnate, biternate or bipinnate; unlobed, 3- or more lobed to 3-parted, chartaceous or subcoriaceous, margin entire or serrate, alternate or radical leaves forming a basal rosette with long sheathing petioles, cauline leaves short-petiolate, subsessile to sessile; stipules absent. Inflorescence terminal or axillary, a cyme or flowers solitary. Flowers bisexual, actinomorphic, yellow, white, or red; sepals 5, green, deciduous; petals larger than sepals, usually 5, sometimes 6(-10), with a nectariferous spot, cup-shaped or covered by a scale, clawed; stamens numerous, glabrous, anthers oblong or narrowly ovate, filaments linear; carpels many, with an ascending ovule, spirally arranged on glabrous or pubescent receptacle. Fruits aggregated forming a globose or ellipsoid head; achenes ovate, orbicular, obovate or elliptic, compressed or convex in lateral view; glabrous or hairy, scabrous or papillate; style persistent or not, or lengthening to become beaklike after anthesis.

About 250 species in temperate and frigid regions worldwide, but mainly in Asia and Europe; about 80 species in mainland China and 11 species in Taiwan.

參考文獻

種列表

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