Shrubs, 1.5-3 m tall. Branches hollow. Interpetiolar stipules absent; petiole 5-10 mm, glabrescent; leaf blade ovate-lanceolate, 7-12 × 2.5-6.5 cm, abaxially glaucous, sparsely pubescent on midvein and lateral veins, adaxially glabrous, base rounded to subcordate, margin slightly involute, remotely dentate, apex acuminate to caudate. Inflorescence a ± pendent axillary pedunculate spike of paired flowers; pairs 2-6, with 3 bracts per flower; involucral bracts ovate-lanceolate or lanceolate, 1/3-1/2 as long as ovaries, glandular ciliate. Ovary 5-6 mm, with a short beak at apex. Sepals connate and shallowly cupular in lower part; lobes linear-lanceolate to lanceolate, 1.5-2 mm, often glandular ciliolate. Corolla white, funnelform, 1-2 cm, glabrous; lobes ovate to orbicular-ovate, 5-7 mm. Stamens slightly shorter than corolla. Ovary (5-)7-or 8(-10)-locular, with numerous ovules; style protruding from corolla. Berry red, turning blue-purple, oblong or ellipsoid, 1-1.3 cm; seeds numerous, subglobose, minute, ca. 1 mm in diam. Fl. (Sep-)Oct-Nov(-Dec), fr. (Mar-)Apr-May.
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