Vines woody. Branches shallowly grooved, glabrous. Leaves pinnate, 5-foliolate, sometimes ternate, glabrous; petiole 4--7 cm; leaflet blades deltoid, cordate-ovate, ovate, or broadly elliptic, (1.6--)3.3--5.8(--7.4) × (1.2--)3--4.6(--5.4) cm, subleathery, base subcordate, truncate, or broadly cuneate, margin sparsely serrulate or rarely entire, apex acute, obtuse, or emarginate; basal veins abaxially ± prominent. Cymes axillary, (1--)5-flowered; peduncle 1--7.5 cm; bracts petiolate, ovate, elliptic, or linear. Flowers 3.5--7.5 cm in diam. Pedicel 4--6(--8) cm, glabrous. Sepals (5 or)6, obovate-oblong to oblong, 2--3.5 × 0.5--1.3 cm, abaxially densely puberulous, adaxially glabrous, apex mucronate. Stamens 0.8--1.5 cm, glabrous; anthers narrowly oblong to linear, 3.5--5 mm, apex apiculate. Ovaries pubescent. Style ca. 1 cm, densely villous. Achenes narrowly ovate to rhombic, 5--8 × ca. 3 mm, densely pubescent; persistent style to 4 cm, plumose. Fl. Nov--Feb, fr. Dec--Mar.
Home