Scrambling or climbing annual herb. Lvs distant; lamina dissected, pale green, up to 10 × 7 cm; segments narrow-oblong or narrow-cuneiform. Infl. dense, with up to 20 fls; rachis < peduncle. Peduncle 2-6-(8) cm long; bracts linear, acute, < pedicels, c. 2 × 0.5 mm; pedicels recurved in late flowering and fruiting, 4-6 mm long. Sepals ovate, dentate, subacute, (3)-4-6 × (1.5)-2-3 mm. Corolla creamy white with blackish red wings and tips, suffused with pink after pollination, 9-11 mm long; lower petal with erect margins. Fr. globose to obovoid, smooth, obscurely keeled, c. 2 × 2 mm; apex obtuse; apical pits small.