Shrubs 0.8-3 m tall, erect to climbing. Branchlets grayish brown to brown, 4-angled when young, becoming subterete, sparsely lenticellate, densely minutely hirsute to subglabrous. Petiole 0.5-1.6 cm, densely minutely hirsute; leaf blade oblong to elliptic, 5.5-12.5 cm, subleathery, adaxially subglabrous, base broadly cuneate to subrounded, margin entire or slightly undulate, apex caudate; veins 5 or 6 pairs, abaxially prominent. Cymes terminal, capitate, erect, ca. 5.5 cm; peduncle ca. 7 mm; bracts linear, 4-7 mm, densely minutely hirsute. Pedicel densely minutely hirsute. Calyx red, campanulate, 1-1.3 cm, outside sparsely minutely hirsute and glandular, inside glabrous and sparsely scaly glandular; lobes reflexed. Corolla white, ca. 3.3 cm, tube slender, outside glandular; lobes ovate-lanceolate, ca. 6 mm. Stamens exserted. Style longer than stamens. Fruiting calyx enlarged, thickened. Drupes subglobose, ca. 1 cm in diam. Fl. and fr. Apr-May.
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