A subscandent shrub, 6–7 ft. high. Branches terete, rufous-tomentose when young, ashy when old; spines recurved, compressed, 1 lin. broad, 2–3 lin. long, yellow, hairy at the base. Leaves solitary or geminate, oval-oblong, obtuse, 2 in. long, 1 in. wide, unequal and rounded or slightly acute at the base, sinuately lobed or repand, scaberulous above, paler and stellately tomentose beneath; midrib spiny beneath; primary nerves about 3 pairs, prominent beneath; petiole 5 lin. long; covered with rufous tomentum. Cymes umbellate, 4–7-flowered; peduncles nodding in flower, erect afterwards. Calyx cyathiform, 1 lin. in diam., unarmed, 5-fid; lobes ovate, obtuse, 1 1/2 lin. long, 1/2 lin. wide. Corolla lilac, patent, 2/3 in. in diam.; lobes 5, oblong-linear, obtuse. Stamens 4 (?), shorter than the corolla-lobes; anthers subsessile, conniving, linear-oblong, pores terminal. Ovary globose; style erect, glabrous, longer than the stamens, slightly curved at the apex; stigma capitate. Berry globose, 2/23 in. in diam.