Branchlets stout, smooth, glabrous, greenish-yellow, with very prominent nodes, 1 1/2–1 3/4 lin. in diam. near the apex. Leaves alternate, ovate or ovate-oblong, obtuse or rounded at the apex, rounded at the base, 3 1/2–4 1/2 in. long, 2 1/4–2 1/2 in. broad, thickly coriaceous, glabrous, dull, minutely corrugated, margin cartilaginous, undulate; midrib slightly impressed on the upper surface, very prominent on the lower; lateral nerves 8–9 on each side, spreading or patulous, anastomosing far from the margin, slightly raised on both surfaces; petiole stout, enlarged at the base, 3 1/2–6 lin. long. Umbels 4–5-flowered; peduncle 1–1 1/2 lin. long at the time of fruiting; pedicels 1/4 lin. long, densely rusty-pilose; bract broadly ovate, very concave, hardly 1/2 lin. long, densely rusty-pilose outside. Receptacle cupular, nearly 1 lin. long, rusty-pilose. Calyx about 1/8 lin. long, subtruncate. Corolla 1–1 1/4 in. long in bud, stellate-puberulous outside, basal swelling ellipsoid, ribbed, 1–1 1/4 lin. long, apical swelling ellipsoid, 1 1/4 lin. long; tube narrowly funnel-shaped, glandular inside; lobes erect, spathulate, apical enlargement ovate acute, 1 lin. long, 5/8 lin. broad. Anthers elliptic-oblong, hardly 1/2 lin. long. Disc sunk, about 1/8 lin. high, 5-lobed, minutely rusty-pilose on the inner surface.
