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

64. Potentilla tanacetifolia Willdenow ex Schlechtendal, Ges. Naturf. Freunde Berlin Mag. Neuesten Entdeck. Gesammten Naturk. 7: 286. 1816.

菊叶委陵菜 ju ye wei ling cai

Potentilla acervata Soják; P. filipendula Willdenow ex Schlechtendal; P. nudicaulis Willdenow ex Schlechtendal; P. strigosa Pallas var. conferta Kitagawa; P. tanacetifolia f. decumbens Krylov; P. tanacetifolia var. decumbens (Krylov) Th. Wolf; P. tanacetifolia f. erecta Krylov; P. tanacetifolia var. erecta (Krylov) Th. Wolf.

Herbs perennial. Roots robust, terete. Flowering stems erect or ascending, 15–65 cm tall, together with petioles villous, pubescent, or floccose and sparsely glandular with hairs sometimes deciduous. Radical leaves 5–20 cm including petiole; stipules brown, membranous, abaxially pilose; leaf blade pinnate with 5–8 pairs of leaflets; leaflets alternate or opposite, at intervals of 3–10 mm, terminal one shortly petiolulate or sessile, all leaflets oblong, oblong-lanceolate, or narrowly oblong-obovate, 1–5 × 0.5–1.5 cm, abaxially pubescent, appressed pilose on veins, or sparsely glandular hairy, adaxially appressed pilose, villous, or glabrescent, base cuneate, decurrent and adnate to rachis in apical 1–3 pairs of leaflets, margin incised serrate, apex obtuse; cauline leaves resembling radical ones but with fewer leaflets; stipules green, leathery, abaxially pubescent or villous, margin deeply lacerate. Inflorescence corymbose-cymose, many flowered. Flowers 1–1.5 cm in diam.; pedicel 0.5–2 cm, pubescent. Sepals triangular-ovate, apex acute or acuminate; epicalyx segments lanceolate or elliptic-lanceolate, shorter than or nearly equaling sepals, abaxially pubescent and glandular hairy, apex obtuse or acute. Petals yellow, obovate, nearly 2 × as long as sepals, apex emarginate. Style subterminal, conic; stigma slightly dilated. Achenes ovoid, ca. 2.5 mm, rugose. Fl. and fr.May–Oct.

Forest margins, grasslands, meadows on mountain slopes, loess plateau lands, low-lying and sandy lands, gravels; 400--2600 m. Gansu, Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol, Shaanxi, Shandong, Shanxi [Mongolia, Russia (Siberia)].

This species is used medicinally.


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