Young branchlets slender, subangular, dark brown, glabrous, soon becoming terete and finely lenticellate, 1 1/2 lin. in diam. 1 ft. below the apex, older ones greyish or buff-coloured, finely and densely lenticellate; internodes 3/4–4 in. long. Leaves opposite, subopposite or alternate, ovate, ovate-oblong, elliptic or lanceolate, obtuse or rounded at the apex, cuneate, obtuse or rounded at the base, 2–4 3/4 in. long, 2/3–2 3/4 in. broad, chartaceous or thinly coriaceous, glabrous; lateral nerves about 4 on each side, rather oblique, anastomosing far from the margin, raised on both surfaces; petiole 2–5 lin. long. Umbels axillary, fascicled, 4–8-flowered; peduncle 1–1 1/2 lin. long; pedicels 1/2– 5/8 lin. long; bract ovate-cupular, dorsal margin 1/2– 5/8 lin. long, ventral margin 1/5 lin. long. Receptacle and calyx together campanulate, 1–1 3/8 lin. long. Calyx subtruncate, ciliolate, 1/2– 5/8 lin. long. Corolla 1 1/3–1 1/2 in. long in bud, apical swelling oblong or ovoid-oblong, pentagonal, angles more or less ribbed, 1 1/2–1 3/4 lin. long, 7/8 lin. in diam., basal swelling suborbicular or ellipsoid, 1 3/4–2 1/2 lin. long; tube split unilaterally 6–7 lin. down; lobes reflexed, narrowly spathulate or linear-spathulate, 2 1/2–3 1/2 lin. long. Filaments deflexed, tapering upwards, about 2 lin. long, tooth 1/4– 3/8 lin. long; anthers oblong-linear, 7/8–1 lin. long, emarginate after dehiscence. Disc 1/8– 1/6 lin. high. Style skittle-shaped above, thickened part 2 1/2–2 3/4 lin. long, neck 3/8– 1/2 lin. long; stigma narrowly obovoid or pear-shaped, 1/2– 3/4 lin. long.