Shrubs or trees, 1-12 m tall; branches terete to quadrangular, densely brown hirtellous to-tomentose. Leaves opposite; petiole 0.5-2.7 cm, densely brown tomentulose to-hirtellous; blade drying papery or leathery, elliptic-obovate, elliptic, or ovate, 6.5-18 × 2.8-9 cm, adaxially sparsely to moderately scaberulous on lamina and densely strigillose to tomentulose on principal veins, abaxially sparsely to densely strigillose, pilosulous, hirtellous, strigose, or pilose, base obtuse, acute, or rounded, apex acute or acuminate; secondary veins 6-10 pairs; stipules generally persistent, spatulate to pandurate, 5-6 mm, strigillose or tomentulose to glabrescent, apex spreading, obtuse. Inflorescences paniculate, pyramidal, 20-30 × 20-25 cm, branched to 2 or 3 orders, erect and congested (var. scabra, var. pilifera) or pendulous and lax (var. dependens), densely hirtellous to tomentose, pedunculate; peduncle ca. 4 cm; bracts linear, 1-2.5 mm. Flowers sessile or subsessile. Calyx densely hirtellous; hypanthium portion turbinate to ellipsoid, ca. 0.5 mm; limb deeply lobed; lobes triangular, 0.5-0.8 mm. Corolla white, tubular-funnelform, glabrous outside or pubescent on lobes (var. pilifera); tubes 2.5-3 mm, inside glabrous or sparsely pubescent in lower part (var. scabra, var. dependens) or white villous or hispid in upper part (var. pilifera); lobes oblong, 1-1.25 mm. Anthers elliptic, 0.75-1 mm, subsessile, partially exserted. Stigma 2-lobed, ca. 0.7 mm. Capsules subglobose, ca. 2 mm in diam., hirsute. Fl. Mar-May, fr. May-Jul.
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