狭萼毛茛 xia e mao gen

Small perennial herb. Stems 1 or 2, ca. 10 cm, mostly glabrous, sparsely puberulent below flower, simple. Basal leaves ca. 7; petiole 2--5 cm, glabrous; blade 3-lobed, pentagonal, 6--9 × 8--13 mm, papery, glabrous, base truncate-cordate; central lobe low obtrapeziform, 3-dentate; lateral lobes unequally 3- or 4-dentate or 3-lobulate. Stem leaves 1 or 2, linear, ca. 7 mm, entire, glabrous. Flowers solitary, terminal, ca. 1.2 cm in diam. Receptacle glabrous. Sepals 4, navicular-linear or oblong, ca. 5 mm, glabrous, abaxially saccate-appendiculate at base. Petals 5, oblanceolate, ca. 6 × 0.3 mm, nectary pit without a scale. Androgynophore present, ca. 0.6 mm, glabrous. Stamens ca. 4; anthers elliptic. Carpels numerous; ovary 0.8 mm, glabrous; style ca. 0.3 mm. Fl. Aug.

* Grassy slopes; ca. 3600 m. SE Xizang (Bomi Xian).