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FOC | Family List | FOC Vol. 9 | Rosaceae | Potentilla

84. Potentilla reptans Linnaeus, Sp. Pl. 1: 499. 1753.

匍匐委陵菜 pu fu wei ling cai

Herbs perennial, stoloniferous. Roots much branched, usually with fusiform, tubers. Stolons 20–100 cm, sparsely pilose or glabrescent, with adventitious roots at nodes. Radical leaves 7–12 cm including petiole; stipules brown, membranous, abaxially glabrescent; petiole sparsely pilose, appressed sericeous, or glabrescent; leaf blade pedately 5-foliolate, or 3-foliolate; leaflets shortly petiolulate or subsessile, obovate to obovate-oblong, abaxially pilose or appressed sericeous, rarely glabrescent, adaxially subglabrous, base cuneate, margin acutely or obtusely serrate or lobed to parted, sometimes entire, apex obtuse; stolon leaves resembling radical ones; stipules green, ovate-oblong or ovate-lanceolate, herbaceous, margin entire, rarely 1- or 2-serrate, apex acute or acuminate. Flowers solitary, axillary or opposite leaves, 1.5–2.2 cm in diam.; pedicel 6–9 mm, pilose. Sepals ovate-lanceolate, apex acute; epicalyx segments oblong-elliptic or elliptic-lanceolate, nearly equaling sepals, markedly enlarged in fruit, abaxially pilose, apex obtuse or acute. Petals yellow, broadly obovate, slightly longer than sepals, apex markedly emarginate. Style subterminal, thin at base; stigma dilated. Achenes yellow-brown, ovoid, markedly rugose. Fl. and fr. Apr–Sep.

Forest margins, thickets by streams, meadows on mountain slopes, ditch banks, damp field margins; 300--3500 m. Gansu, Hebei, Henan, Jiangsu, Nei Mongol, Shaanxi, Shandong, Shanxi, Sichuan, Xinjiang, Yunnan, Zhejiang [Russia (Siberia); N Africa, C and SW Asia, Europe].

1 Petiole pilose or glabrescent, leaf blade pedately 5-foliolate, leaflets abaxially pilose, margin acutely or obtusely serrate.   84a var. reptans
+ Petiole appressed sericeous, leaf blade 3-foliolate, leaflets abaxially appressed sericeous, rarely glabrescent or pilose, margin of lateral leaflets lobed to parted, sometimes entire.   84b var. sericophylla

Lower Taxa


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