Shrub or small tree (rarely climbing) up to 3 m. tall with rather slender glabrescent branchlets. Leaf-lamina 2–7·5 × 1·5–4 cm., lanceolate, rhombic-lanceolate or obovate-lanceolate, acute or rounded at the apex, margin crenate or crenate-dentate, subcuneate or rounded or slightly cordate at the base, glabrous or slightly pubescent on both surfaces, rather thin-textured; petiole up to 1·3 cm. long, glabrescent; stipules up to 4 mm. long, linear, pubescent, caducous. Inflorescences leaf-opposed, 1–3-flowered; peduncles slender, up to 15 mm. long, glabrescent; pedicels similar, up to 12 mm. long. Sepals up to 18 mm. long, linear-oblong, pubescent and greenish outside, purplish or pink inside. Petals purple, mauve, pinkish or very rarely white, up to 14 mm. long, oblong-lanceolate, with a basal nectariferous claw 1 mm. long circumvillous within and ledged above. Androgynophore glabrous below for 1 mm. prolonged above into a densely pubescent portion up to 3 mm. long. Ovary 4-lobed, densely hairy; style up to 10 mm. long, glabrous; stigma-lobes broad. Fruit reddish-purple, up to 2–5 cm. in diam., 4-lobed, shining, glabrescent, somewhat fleshy.