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

101. Ranunculus grandifolius C. A. Meyer, Fl. Altaic. 2: 330. 1830.

大叶毛茛 da ye mao gen

Herbs perennial. Rhizomes robust, ca. 2 cm. Stems 30--45 cm, spreading hispid below, strigose and branched above. Basal leaves 4--8; petiole 4--24 cm, spreading hispid or glabrous; blade 3-partite, reniform-pentagonal, 2--6.5 × 3.5--11 cm, papery, abaxially glabrous or sparsely strigose, base cordate, central lobe rhombic or broadly so, margin 3-lobed, incised-dentate, apex acute; lateral lobes obliquely flabellate, unequally 2-partite. Lower stem leaves similar to basal ones but petioles shorter, upper ones smaller, short petiolate or sessile, 3-sect, segments lobed or partite. Monochasium corymbose, 2--7-flowered; bracts leaflike. Flowers 2--2.7 cm in diam. Pedicel 1.5--6.5 cm, strigose. Receptacle glabrous. Sepals 5, elliptic-ovate, 5--6 mm, abaxially strigose. Petals 5, obovate or broadly obovate, 10--13 × 7--12 mm, nectary pit covered by a scale, apex rounded. Stamens numerous; anthers oblong. Aggregate fruit subglobose, ca. 7 mm in diam. Achene flattened, obliquely obovate, ca. 3.5 × 2.5 mm, glabrous, narrowly marginate; style persistent, ca. 0.7 mm. Fl. May--Oct.

Grassy slopes, by streams; 1000--2000 m. Xinjiang [Kazakhstan, Russia (W Siberia)].


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