Perennial with woody rootstock; shoots prostrate, sparingly branched, to 35 cm. long; pubescent.. Tendrils absent.. Leaf-blades unlobed or shallowly 3(–5)-lobed in the upper half, suborbicular to reniform, 1–2.3 by 1.5–3 cm., base subtruncate to deeply cordate, top subobtuse to acute, margin entire with a few minute gland-teeth; petiole 1–4 mm.. Stipules 1.2–3 mm. False stipules absent.. Inflorescences 1–2-flowered, sessile; bracts ± 1.5 mm.. Flowers pubescent; stipe 8–16 mm.. Hypanthium 2–2.5 mm. wide.. Sepals (5–)6–7 mm., subobtuse.. Petals 3–5 mm.. Outer corona-tube ±1.5 mm., threads 3–3.5 mm.. Disk ± 0.5 mm.. Inner corona cup-shaped, 0.5–0.8 mm.. Stamens 5; filaments 2.5–3 mm., anthers ± 2.5 mm.. Ovary 1–1.3 mm.; styles ± 3.5 mm., free.. Fruit not known.
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