Stem slender, terete, minutely stellate pubescent; spines few, straight, compressed, 1 lin. long, hairy in the lower half. Leaves ovate-lanceolate, slightly sinuous, very unequal at the base, 3 1/2 in. long, 1 1/2 in. wide; upper surface green and with minute scabrid stellate hairs; under-surface ashy-grey with stellate hairs; petiole 7 lin. long, here and there spiny. Cymes extra-axillary, racemose, many-flowered; peduncle, pedicels and outside of calyx densely stellately pubescent. Calyx cupular; lobes 5, oblong-lanceolate, 2 lin. long, 1 lin. wide. Corolla rotate, plicate, about 1 in. in diam.; lobes 5, acute, stellately pubescent outside the midpetaline areas. Filaments very short; anthers 1/3 in. long, pores terminal. Ovary globose; style clavate, 2/3 in. long, stellately hairy in the lower half; stigma oblique. Berry globose, 1/3 in. in diam.