branchlets puberulous, greyish; leaves 3-nate, erect or imbricate, 3/4–1 1/2 lin. long, oblong-linear, glabrous, minutely serrulate on the acute edges or the serratures tipped with a gland; flowers solitary, axillary and terminal (racemose ex Thunberg), subsessile; bracts 3, subequal, 1/4– 1/3 lin. long, linear, obtuse, ciliate; calyx 3/4 lin. long, fleshy or rigidly coriaceous, glabrous; tube scarcely longer than broad, campanulate, distinctly but not stoutly 8-ribbed; teeth erect, more than half as long as the tube, deltoid-ovate, acute, very minutely ciliate; in fruit the calyx becomes ovoid-conical, not more than 1 lin. long, the tube thickening very much and the ribs forming prominent elongated tubercles, those opposite the teeth very broadly deltoid-ovate in outline, those alternating with the teeth much narrower, tapering downwards; corolla 1 1/2–1 3/4 lin. long, tubular, scarcely narrowed at the base, nearly or quite straight, glabrous (white ex Thunberg), the exserted part shorter than or not longer than the calyx; lobes erect, subquadrate, more or less emarginate; anthers half-exserted, dorsifixed near the base, 1/2 lin. long, oblong, spurless; ovary minutely puberulous at the top; stigma simple. null
