Branchlets terete, rather slender, 1 1/4 lin. in diam. 1 ft. below the apex, greyish or greyish-brown; bark finely cracked longitudinally, inconspicuously lenticellate; internodes 1/2–2 1/2 in. long. Leaves opposite or subopposite, ovate or ovate-anceolate, obtuse at the apex, obtuse or rounded at the base, 1 1/4–2 1/4 in. long, 8–17 lin. broad, coriaceous, glabrous, dull; lateral nerves 4–5 on each side, patulous, slightly raised on the upper surface, less distinct on the lower; petiole 2–6 lin. long. Heads axillary, fascicled, 4–6-flowered; peduncle 1 lin. long; bract obliquely cupular, dorsal margin 5/8– 3/4 lin. long, ventral margin 1/2– 5/8 lin. long. Receptacle and calyx together cupular, 1 1/4–1 3/8 lin. long. Calyx truncate, 3/4– 7/8 lin. long. Corolla nearly 1 1/4 in. long, glabrous outside, apical swelling in bud oblong-ellipsoid, rounded, 5-winged, 2 lin. long, basal swelling ellipsoid, 2 3/4 lin. long; tube split unilaterally about 6 lin. down; lobes reflexed, spathulate, 3 lin. long, 1 1/8 lin. broad. Filaments inserted 3/4 lin. below the base of the corolla-lobes, deflexed, 2 3/4 lin. long, tooth 3/8 lin. long; anthers narrowly oblong, 7/8 lin. long. Disc 1/8 lin. high. Style skittle-shaped above, thickened part 3 1/2 lin. long, neck 1/2– 5/8 lin. long, slightly thickened in the middle; stigma ellipsoid or obovoid, 1/2– 5/8 lin. long.