Aeschynanthus longicalyx H. W. Li (1983), not Ridley (1905).

Stems to 5 m, glabrous. Leaves opposite; petiole 3-10 mm; leaf blade oblong lanceolate, 6.5-13 X 2-3.5(-4) cm, papery to thin leathery, glabrous, adaxially drying smooth, abaxially not punctate, base cuneate, margin repand-crenate, apex long acuminate to caudate; lateral veins indistinct. Cymes axillary, 1-3-flowered; peduncle absent; bracts deciduous. Pedicel 1-1.3 cm, glabrous. Calyx reddish, 5-sect from base; segments lanceolate-linear, 3-3.3 cm X 1.5-2.5 mm, outside glabrous. Corolla red, 2.4-2.8 cm, outside puberulent, inside with 5 tufts of hairs above base, mouth not oblique; limb indistinctly 2-lipped, lips nearly equal, ca. 4 mm. Stamens exserted; filaments ca. 2.2 cm; anthers coherent in pairs at apex, 2.5-2.8 mm; staminode ca. 0.5 mm. Pistil 2-3.3 cm; ovary glabrous. Style ca. 1.5 cm, glabrous. Fruit and seeds unknown. Fl. Sep.

* Shrubs in forests and bamboo thickets of montane regions; ca. 800 m. SE Yunnan (Pingbian Xian).