an erect shrub; twigs 4-angled; bark white; leaves chartaceous, glabrous, dark green shining above, paler and dull beneath, oval, subacute or acute, slightly softly mucronulate, base wide-cuneate or rounded, 3-nerved from or from very near the base, 3/4–1 1/2 in. long, 4–9 lin. wide; petiole glabrous, 1/2–1 lin. long; cymes simple or branched, 3–15-flowered, axillary, 1 1/2–4 lin. long, 1 1/2–3 lin. across; peduncles 1 lin. long, puberulous; bracts 1/2 lin. long; pedicels 1/2 lin. long, slender, puberulous; calyx ovate, 1/3 lin. long; teeth 5 or 4, ovate, with ciliate margins; tube subobsolete; corolla white, 1 1/4 lin. long; tube hardly as long as lobes; lobes usually 5, sometimes 4, at length spreading, outside glabrous, within with a ring of hairs at throat; stamens usually 5, sometimes 4, adnate to corolla-throat; filaments about as long as anthers, filiform; anthers distinctly exserted; ovary 2-celled and style glabrous; ovules several in each cell; fruit not seen. null