Erect shrub to 2 m high. Branchlets weakly tomentose. Leaves: petiole 2–4 mm long; lamina narrowly to broadly elliptic, 1–4 cm long, entire, obtuse, papery to subcoriaceous, smooth and soon glabrous adaxially, glabrous to fawn-tomentose abaxially. Flowers solitary on short branchlets, with terminal leaves not differentiated; pedicel 2–4 mm long; bracteoles basal, linear to oblanceolate, 4–7 mm long, caducous. Calyx semiorbicular and 3 mm long to cup-shaped and 10 mm long, truncate, thin, glabrous or fawn-tomentose. Corolla cylindrical to funnel-shaped, 1.5–3 cm long, with erect or spreading lobes, either pale green to pale yellow all over or red with green lobes. Stamens: filaments broadened towards base; anthers prominently exserted, obtuse, not recurved after anthesis.
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