Petrocosmea confluens W. T. Wang

Petiole 0.1-1.7 cm, spreading puberulent; leaf blade broadly ovate to nearly orbicular, 4-6 X 4-9 mm, densely puberulent, base nearly cordate, margin crenulate, apex rounded to obtuse; lateral veins indistinct. Cymes 1-flowered; peduncle 1.5-2.4 cm, spreading puberulent; bracts linear, ca. 1 mm. Pedicel 2-7 mm. Calyx actinomorphic, 5-sect from base; segments equal, linear-lanceolate, 1.8-2.9 X 0.6-0.9 mm, outside densely puberulent. Corolla blue, outside puberulent, inside glabrous; tube 2.2-3 mm; adaxial lip 0.7-1.5 mm, distinctly 2-lobed; abaxial lip 2-2.8 mm. Filaments 1-1.2 mm, glabrous; anthers triangular, ca. 1 mm, beakless; staminode 1. Pistil ca. 4.5 mm; ovary ca. 1.3 mm, densely puberulent. Style glabrous. Fruit unknown. Fl. Apr.

S Guizhou (Wangmo Xian).

* Rocky slopes in valleys; ca. 1300 m.