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Chinese Plant Names | Family List | Rosaceae | Geum

Geum rivale Linn.


Description from Flora of China

Roots robust, terete. Stems erect, 25–70 cm tall, pilose or hirtellous. Radical leaves lyrately pinnate, 10–35 cm including petiole, with 2–4 pairs of leaflets, both surfaces scattered strigose; leaflets unequal, terminal one largest, usually rhombic-ovate, lobed, 4–9 × 3–8 cm, base broadly cuneate or subtruncate, margin markedly incised-lobed to 3-parted and coarsely serrate, apex rounded; cauline leaves: stipules green, ovate-elliptic, lobed to parted, herbaceous; leaf blade simple, 3-lobed or 3-parted. Inflorescence usually nodding, laxly 2–4-flowered. Flowers 2–2.5 cm in diam.; pedicel densely yellow pubescent and pilose. Sepals ovate-triangular, apex acuminate; epicalyx segments usually purplish, linear-lanceolate, minute, 1/3–1/2 as long as sepals, apex acuminate. Petals yellow, purple-brown striate, semiorbicular, longer than sepals, base abruptly tapered into a rather long claw. Style terminal, filiform, twisted at joint; proximal section yellow villous; distal section deciduous at fruit maturity. Fruiting receptacle hirtellous, hairs 1.5–2 mm; achenes yellow villous; proximal section of style persistent. Fl. and fr. May–Aug.

Thickets, meadows in valleys, ravine gravels; 1200--2300 m. Xinjiang [widespread in Arctic and N temperate zone].


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Flora of China  
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