Stems climbing, slender and often reddish. Lvs subsessile or with petiole to 1-(2) cm long, commonly with small irregular tubers in their axils. Lamina 2-11-(13) × 1.75-10-(11) cm, broadly ovate, often involute, scarcely succulent to succulent according to degree of exposure, shining; base subcordate or cordate; apex obtuse. Racemes simple or 2-4-branched, pendent, to c. 18 cm long excluding common peduncle, with numerous small, white, fragrant fls. Pedicels 2-3 mm long; bracts 1.5-1.8 mm long, lanceolate-subulate. Lower bracteoles 0.5-1 mm long, cupulate; upper bracteoles c. 2-2.5 mm long, suborbicular. Tepals 2-3 mm long, elliptic-oblong to broadly elliptic. Filaments narrow-triangular, widely divergent, bending outwards near base. Style 1, < stamens; branches 1/2-3/4 length of fused part; stigmas clavate.