Perennials with usually erect, rarely decumbent or prostrate branches 0,15-0,3(-0,4) m long, more or less branched, glabrous or with few spreading hairs particularly below inflorescences, with flaking bark on older branches, with old leaves usually deciduous. Leaves lanceolate or ovate, (2-)3-7 x l-3(-4) mm, acute, dor-siventrally flattened, glabrous, green. Inflo­rescence a sessile rounded thyrse with one to several dichasia, often half-hidden by leaves below, with shortly pedicellate flowers. Ca­lyx: lobes linear, 2-4 mm long, acute or bluntly acute, convex, ridged to keeled to­wards apex, fleshy, papillose, green. Co­rolla tubular, fused at base for 0,2-0,3 mm, white or cream; lobes elliptic-oblong, 3-5 mm long, sharply acute and more or less folded and with a dorsal ridge, spreading. Stamens with brown anthers. Squamae transversely oblong, 0,2-0,4 x 0,4-0,6 mm, often slightly emarginate, sometimes con­stricted downwards, fleshy, pale yellow or white.