Hemiboea subacaulis Hand.-Mazz.

Stems 5-22.5 cm, sparsely brown spotted, apically pubescent, simple, with 2-5 nodes. Petiole (0.5-)1-3.6 cm; leaf blade broadly elliptic to broadly ovate or lanceolate, 5-12 X (3-) 5-8.8 cm, pubescent to sparsely pubescent, base rounded to cuneate and decurrent and meeting at node, margin entire to nearly entire, apex acute, without sclereids; lateral veins 4 or 5 on each side of midrib. Cymes 1-3-flowered; peduncle 1.5-5 cm, pubescent; involucre 1-1.5 cm in diam., outside pubescent to pilose. Calyx 8-11 mm, 5-sect from base or 2-lipped and adaxial lip 2-lobed from below middle; segments equal or unequal, ovate, 3-6 X 1.8-3 mm, outside and margin glabrous. Corolla outside pink, inside purple spotted, 2.1-4.1 cm, outside sparsely glandular, puberulent, inside with a ring of hairs; tube 1.5-3.4 cm; adaxial lip 4-6 mm; abaxial lip 5-7 mm. Anthers 3-3.5 mm; staminodes 2, 3.5-6 mm. Pistil 2.1-2.5 cm, glabrous. Capsule ca. 2.5 cm.

N Guangxi, E Guizhou, Hunan, SW Jiangxi.

* Forests, on rocky cliffs along montane streams; 100-900 m.