Perennial, prostrate or climbing herb; stems grayish-white, angular, sulcate, scabrid; tendrils short, striate, scarbrid, grooved; leaves almost as broad as long, reniform, cordate or truncate, lobes 3-5, subtriangular, obtuse, apex acute or acuminate, base truncate, margins crisped, dentate; petiole 2-3 cm long; leaves and petioles scabrid, not downy; flowers yellow, monoecious, shortly peduncled; male flowers solitary or fascicled in axils, peduncles filiform, villose-hirsute; calyx tube subcylindric, teeth linear, hirsute; petals-5, hairy, ovate oblong, acute; stamens-3, free, filaments filiform, slightly hairy, anthers free, 1-anther, 1-celled, others 2-celled, connective appendiculate, appendage glabrous, glandular; female flower axillary, solitary; staminodes absent; ovary ovoid muricated, ovules numerous, style short; stigma-3, obtuse; fruit ellipsoid berry, densely echinate, green-yellow, smooth when mature, seeds oblong, emarginated.