Shrubs to 6 m tall, glabrous. Leaves scattered; petiole very short or leaves subsessile; leaf blade lanceolate or oblong-lanceolate, 10–17 × 2–4 cm, papery, base cuneate to obtuse, margin entire, apex acute or shortly acuminate. Inflorescence axillary or terminal, corymbose-racemose, 7–8 cm, few flowered; peduncle ca. 1 cm, stout. Pedicel 2.2–2.3 cm, slightly expanded upwards. Calyx tube turbinate, ca. 3 mm; limb divided to base; lobes subulate, 7–8 mm. Corolla creamy yellow, with dark bands, infundibular, ca. 4.5 cm; lobes narrowly triangular, 9–10 mm. Filaments ca. 3 mm, shortly pilose basally; anthers 4–7.5 cm, thecae densely papillate, base with incurved incrassate appendage; tubules ca. 5 × as long as thecae, with 2 spreading ca. 1 mm spurs at middle. Berry globose, ca. 1 cm in diam.; persistent calyx lobes 9–10 mm. Fl. Apr.

Forests, open thickets, epiphytic on trees; ca. 2100 m. S Yunnan [Thailand].