Stems ca. 30 cm, glabrous. Leaves opposite; petiole 3-4 mm; leaf blade lanceolate to elliptic, 5.8-7.4 X 1.4-2.5 cm, thin leathery, glabrous, adaxially drying smooth, abaxially densely punctate, base broadly cuneate to nearly rounded, margin entire, apex long acuminate to caudate; lateral veins indistinct. Cymes axillary, 1-flowered; peduncle absent; bracts deciduous. Pedicel ca. 1 cm, glabrous. Calyx reddish, 5-sect from base; segments lanceolate-subulate, 7.5-10 X 0.8-1.1 mm, outside glabrous. Corolla red, ca. 2.8 cm, outside glabrous, inside puberulent, without tufts of hairs, mouth not oblique; limb indistinctly 2-lipped; adaxial lip ca. 5 mm; abaxial lip ca. 7 mm. Stamens exserted; filaments 0.9-1.1 cm; anthers coherent in pairs at apex, ca. 2 mm; staminode ca. 1 mm. Pistil ca. 2.9 cm; ovary glabrous. Style ca. 1 cm, glabrous. Capsule ca. 8 cm. Seeds with 1 hairlike appendage at each end, appendages 2.2-3.2 mm. Fl. Aug.

* On trees in densely forested valleys; 1200-1500 m. SE Yunnan (Xichou Xian).