Herbs perennial. Roots fibrous, subequally thick. Stems 2.5--6 cm, glabrous or sparsely puberulent, simple or 1-branched. Basal leaves 2--5; petiole 1--4 cm, glabrous; blade 3-sect or 3-partite, oblate or orbicular-obovate, 0.6--1.6 × 1--2.6 cm, leathery, glabrous or adaxially puberulent, base subtruncate or rounded, central segment long elliptic or narrowly obovate, usually undivided; lateral segments unequally 2-lobed or 2-partite, lobes undivided or unequally 2-lobed. Stem leaves (1 or)2, subsessile or sessile, 3--5-sect, segments narrowly elliptic or linear. Flowers solitary, terminal, 2--3.2 cm in diam. Receptacle glabrous. Sepals 5, ovate, 6--7 mm, glabrous or abaxially appressed puberulent. Petals 5, flabellate-obovate or broadly obovate, 10--16 × 11--17 mm, nectary pit without a scale, apex truncate-rounded or emarginate. Stamens numerous; anthers oblong. Carpels numerous, glabrous; style slightly shorter than ovary. Fl. Jun--Jul.
Home