Shrubs and trees, 3.5(-10) m tall; branches weakly flattened to terete, densely tomentose to hirtellous, with dense elliptic lenticels. Petiole 0.8-2 cm, sparsely pilosulous to glabrous; leaf blade drying leathery or stiffly papery, oblanceolate, oblanceolate-oblong, or elliptic-oblong, 5.5-18 × 2-5.5 cm, adaxially glabrous, abaxially glabrous except strigose to pilose along principal veins, base cuneate or acute, apex acute to acuminate; secondary vein 9-14 pairs, usually with pilosulous domatia; stipules lanceolate to narrowly triangular, 4-14 mm, glabrous, acute to acuminate. Inflorescence corymbiform, many flowered, densely tomentose; peduncle 1.5-3.5 cm; branched portion 5-10 × 6-15 cm (not including corollas); bracts linear to narrowly spatulate, 5-15 mm; pedicels 3-10 mm. Calyx with ovary portion obconic, 5-6 mm, densely tomentose; lobes lanceolate to narrowly ligulate or narrowly oblanceolate, 12-20 × 3-3.5 mm, glabrous except strigose along veins and margins, apex acute to shortly acuminate. Corolla red, outside glabrous; tube 25-32 mm, cylindrical to slightly funnelform; lobes suborbicular to obovate, 13-18 × 9-12 mm, with 2 lamellate appendages or crests at each side of base inside, apex rounded. Capsules obovoid, 1.5-2.5 × 0.5-0.8 mm, smooth to weakly ridged, densely tomentose; seeds 2-4 mm. Fl. and fr. Mar-Nov.
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