Shrubs 60–80 cm tall. Twigs terete or inconspicuously bluntly angled, 1.5–3 mm in diam., puberulous when young. Leaves scattered; petiole 1–2 mm, glabrous; leaf blade oblanceolate to obovate, 1.5–3.5(–5) × 0.8–2(–2.5) cm, leathery, glabrous, secondary veins 8 or 9 pairs, base cuneate, margin plane, entire or sparsely serrate near apex, apex acute to rounded, mucronate or apiculate. Inflorescences shortly racemose, 1–3-flowered; peduncle 2–6 mm. Pedicel 7–11 mm, densely puberulous, rarely glabrous, slightly expanded at apex. Calyx glabrous or sparsely pubescent; tube ca. 4 mm, conspicuously 5-winged; limb divided ca. 3/4; lobes ovate-triangular, 9–13 mm, submembranous, apex acuminate-acute. Corolla with carmine zig-zag bands, tubular, 2–3 cm, 5-angled, glabrous; lobes recurved at apex, greenish, narrowly triangular, 6–8 mm, apex greenish, acuminate. Filaments 3–4 mm, puberulous; anthers 2.4–2.7 cm, thecae papillate, caudate at base, tubules ca. 4 × as long as thecae, without spurs. Immature berry ca. 9 mm in diam. Fl. Mar–May, fr. Sep–Oct.
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