Slender, ± entirely glabrous. Internodes 4-7 cm. Leaves subtriplinerved at the base, without distinct reticulations, thickish, narrowed towards the base, elliptic to oblong-elliptic, acuminate, 4-9 by 2-3 cm, nerves 4-5 on either side, not prominent; petiole ⅓-1 cm long. Peduncles axillary and terminal, 1-1½ cm long, 2-flowered; at the twig-ends sometimes 4 ± together. Flowers slender, glabrous except some small negligible ciliae on the edge of the calyx and bracts, white or rosa-like beige. Bracts half as long as the ovary, lanceolate-acuminate, 1½-2 mm. Bracteoles suborbicular-ovate, 1 mm, blunt. Calyx-tube (ovary) constricted at the apex, free part shorter than the ovary, split halfway down, lobes ovate, subacute, 1 mm. Corolla slender, 5½-6½ cm long; tube 3½-4 cm, upper lip split into 4 lobes ± 1/5-1/6 of its length. Style sub-glabrous with reflexed, sparse, white hairs, 6-7 cm long. Stamens subglabrous, distinctly exsert.