An erect or climbing shrub, 12–20 ft. high; branches long and slender, covered with a very minute dark rusty furfuraceous tomentum when young, soon glabrous. Leaves oblong to oblong-elliptic, acuminate (acumen obtuse, up to 8 lin. long), acute, rarely rounded at the base, 2 1/2–4 1/2 in. long, 1 1/4–2 in. broad, thinly subcoriaceous, quite glabrous, except for tufts of rufous hairs in the nerve-axils; secondary nerves 6–8 on each side, oblique; transverse veins very fine, close, subhorizontal; petiole slender, up to 6 lin. long. Cymes subumbelliform, few-flowered, arranged in slender axillary and terminal panicles, usually sessile or on short branches on the common rhachis, covered more or less with the same kind of tomentum as the young branches, panicles up to 3 in. long; bracts minute, shortly lanceolate; pedicels 1 1/2 lin. long. Calyx semiglobose, minutely black-furfuraceous, 3/4 lin. long; sepals ovate, subacute, or obtuse; intracalycular glands 5. Corolla dark purple or violet, whitish in the centre, subcampanulate; tube 1 1/2–1 3/4 lin. long, very minutely furfuraceous without; throat glabrous; Suprastaminal calli transversely linear, distinct; lobes long-caudate, acuminate from an ovate base, 4–6 lin. long. Anthers not quite 1 lin. long, with spreading hairs on the back. Disc very shallow, sinuate. Carpels puberulous at the top; style obconical, short and stout, minutely papillose; stigma campanulate, with a setiform bifid apex.
