A perfectly glabrous, semiscandent shrub; young branches shining, very rough from numerous pale brown lenticels. Leaves obovate-elliptic or obovate, very shortly acuminate or obtuse, rounded or subcordate at the base, 3–6 in. long, 1 1/2–2 1/2 in. broad, coriaceous with thickened margins, glossy on both sides, reddish-brown below when dry; midrib finely channelled above, prominent below; secondary nerves about 8 on each side, oblique, conspicuously prominent below, finely channelled above, connected by bold submarginal arches, reticulation distinct below. Panicle glabrous; branches very rough; bracts broad, apiculate, up to 1 lin. long, ciliolate. Calyx quite glabrous, eciliolate; sepals 4–5 lin. long, 3–3 1/2 lin. broad, subcoriaceous, reddish-brown, spreading or reflexed in fruit. Corolla brownish-red when dry, glabrous; tube 7–8 lin. long; lobes 10 lin. long, 2 lin. broad, ciliate, fleshy, longitudinally sulcate on the back in bud. Anthers 1 1/4 lin. long. Fruit 1 1/2–1 3/4 in. diam. (mature ?)
