Lysionotus denticulosus W. T. Wang

Subshrubs. Stems erect, 60-130 cm, apically densely rust-brown pubescent. Petiole 5-35(-41) mm; leaf blade oblong or lanceolate-oblong to ovate, 5.8-18(-25) X 2-6(-9) cm, papery, rust-brown to golden puberulent, base cuneate to broadly so, margin subentire to denticulate, apex acuminate; lateral veins 7-11 on each side of midrib, abaxially prominent. Cymes 3-7 (-10)-flowered; peduncle 1-2.5(-9.5) cm, rust-brown to golden glandular pubescent to pilose; bracts triangular, ca. 4 X 1.2 mm. Pedicel 0.3-1.8 cm. Calyx 5-sect from base; segments 4-5 mm, outside densely puberulent, inside glabrous. Corolla purple-red to white, ca. 1.7 cm, outside sparsely puberulent, inside sparsely puberulent on abaxial lip; tube subtubular, ca. 10 X 4-5 mm; adaxial lip 2-3 mm; abaxial lip 5.5-7 mm. Stamens ca. 7.2 mm; filaments ca. 6 mm; anthers subglobose; connective unappendaged; staminodes 3, 0.8-1.8 mm. Disc ringlike, margin entire. Pistil ca. 1.4 cm; ovary glabrous. Style sparsely glandular puberulent. Capsule 3.7-7.2 cm. Seed appendages subulate, 0.1-0.2 mm. Fl. Sep-Nov, fr. Nov.

W Guangxi, SE Yunnan (Malipo Xian).

* Forests, terrestrial or on limestone; 700-1800 m.