Description from Flora of China
Boea glutinosa Handel-Mazzetti, Sinensia 7: 620. 1936.
Subshrubs or herbs. Stems to 40 cm, gray-brown cobwebby-woolly. Leaves opposite, mostly crowded near stem apex or spread along stem; petiole 3-7 cm; leaf blade obovate to elliptic, ovate, or oblong, 7-18 X 3-9 cm, papery, adaxially cobwebby-woolly, glabrescent, abaxially brown pannose, base sometimes oblique, decurrent to rounded, margin serrate to subentire, apex obtuse to acute; lateral veins 10-14 on each side of midrib. Cymes terminal or axillary; peduncle 7-17 cm, cobwebby-woolly, glabrescent; bracts 2, narrowly ovate to obovate, 3-5 X 1-2 cm, outside pannose. Pedicel 1-2(-3) cm. Calyx 5-sect from base; segments lanceolate to narrowly triangular, 1.8-3 X 0.5-1 mm, outside glandular puberulent to glabrous. Corolla white to pink or lilac, 1-2 cm, outside glabrous; tube 5-10 mm; adaxial lip 2-3 mm, lobes 2-3 X ca. 3 mm; abaxial lip 2.5-4.5 mm, lobes ca. 2.5 X 3.5 mm. Filaments 7-9 mm, glabrous to glandular puberulent; anthers 3-4 mm; staminodes 2, 1.2-2 mm. Pistil glabrous; ovary 4-5 mm. Style 3-4 mm. Capsule spirally twisted, 3.5-4.5 cm, glabrous. Fl. Jun-Aug, fr. Aug.
Rocks of slopes; 400-1400 m. NW Guangxi, Guizhou (Luodian Xian), Yunnan [Myanmar].