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FOC | Family List | FOC Vol. 6 | Ranunculaceae | Ranunculus

32. Ranunculus rufosepalus Franchet, Ann. Sci. Nat., Bot. sér. 6, 15: 217. 1883.

棕萼毛茛 zong e mao gen

Herbs perennial. Roots fibrous, subequally thick. Stems 18--21 cm, glabrous for most part, puberulent only below flowers, simple. Basal leaves several; petiole 6--8.5 cm, glabrous; blade ternate, broadly ovate in outline, 1.5--3.6 × 2.2--5.8 cm, papery, glabrous, base cordate; central leaflet depressed pentagonal or broadly rhombic, 3-partite, petiolule 0.5--1.8 cm, lobes 2- or 3-lobulate; lateral leaflets oblique flabellate, unequally 2-sect, segments unequally 2-partite, petiolules 3--9 mm. Stem leaves ca. 2, sessile, palmatipartite, segments narrowly lanceolate or linear. Flowers solitary, terminal, 1.6--2.2 cm in diam. Receptacle glabrous. Sepals 5, dark purple, ovate, 5--6 mm, abaxially brown puberulent. Petals 5--7, broadly obovate, 7--9 × 7--10 mm, nectary pit without a scale, apex truncate-rounded. Stamens numerous; anthers narrowly oblong. Aggregate fruit ovoid, ca. 7 mm. Achene ovoid, 2--2.4 mm, glabrous; style persistent, ca. 1 mm, slightly curved. Fl. Aug.

Slopes; ca. 4800 m. SW Xinjiang [Afghanistan, Kazakhstan, N Pakistan, Tajikistan].


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