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

102. Ranunculus submarginatus Ovczinnikov, Fl. URSS. 7: 745. 1937.

棱边毛茛 leng bian mao gen

Herbs perennial. Roots fibrous, subequally thick. Stems (8--)18--25 cm, spreading puberulent or subglabrous below, appressed puberulent above, branched. Basal leaves ca. 4; petiole 5--8.5 cm, puberulent or subglabrous; blade 3-partite, pentagonal-cordate or reniform-cordate, 2--4.5 × 2.6--7.5 cm, papery, strigose, base broadly cordate or subtruncate, central lobe cuneate-rhombic, 3-lobed, lobules entire or incised; lateral lobes obliquely flabellate, unequally 2-lobed or 2-partite. Lower stem leaves similar to basal ones; upper stem leaves short petiolate or sessile, palmatisect, segments linear. Monochasium terminal, (1-or)2- or 3-flowered; bracts leaflike. Flowers 1.7--2 cm in diam. Pedicel 1--4 cm, puberulent. Receptacle densely pubescent. Sepals 5, ovate, ca. 5 mm, abaxially sparsely pubescent. Petals 5, broadly obovate or obovate, 9--10 × 5--9 mm, nectary pit covered by a scale, apex truncate-rounded or rounded. Stamens numerous; anthers oblong. Aggregate fruit subglobose, 5--7 mm in diam.; carpels numerous. Achene bilaterally compressed, obliquely obovate, 2.8--3 × 2--2.5 mm, glabrous, narrowly marginate; style persistent, 0.7--1 mm. Fl. Aug.

Grassy places in valley; ca. 1300 m. W and N Xinjiang [Russia (W Siberia)].


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