Erect or spreading shrub to 2 m high. Branchlets rusty-flocculose. Leaves subsessile to distinctly petiolate; lamina narrowly oblong to cordate, 1–5 cm long, entire to crenulate-dentate, rounded to obtuse, chartaceous to coriaceous, scabridulous adaxially, variously coarsely stellate-hairy abaxially. Flowers 1–3 (–5), terminal to short branchlets or axillary on slender peduncles; terminal leaf-pair sometimes appearing as reflexed foliaceous bracts; pedicels 2–4 mm long; bracteoles basal, linear, 3–11 mm long, usually persistent. Calyx hemispherical to cup-shaped, 3–6 mm long, truncate to dentate or with 4 prominent triangular lobes, or shortly 8-lobed, glabrous adaxially, densely tomentose abaxially. Corolla cylindrical to trumpet-shaped, 1.5–4 cm long, cream or yellow or green or red with green lobes, squamulose, falling after anthesis. Stamens enclosed to well-exserted; antipetalous filaments broadened at base; anthers mostly narrowly oblong, c. 3 mm long, with margins not recurved.
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