Opithandra cinerea W. T. Wang

Petiole 0.3-1.7 cm, densely grayish strigose; leaf blade narrowly elliptic to elliptic, 1.5-3.5 X 0.7-1.8 cm, papery, nearly flat, densely short strigose, base cuneate, margin denticulate, apex acute; lateral veins ca. 4 on each side of midrib. Peduncle 5.5-11 cm, short brown hispid; bracts lanceolate-linear. Calyx ca. 3.5 mm, deeply 5-lobed; lobes triangular, ca. 2.7 X 1 mm, apex acute to obtuse. Corolla 1.5-2 cm, outside strigose, inside glandular puberulent below adaxial lip; tube narrowly funnelform, not swollen, 1.2-1.5 cm X 5-6 mm; adaxial lip 2.8-3.2 mm; abaxial lip ca. 4.5 mm, all lobes entire. Stamens adnate to corolla tube slightly below middle, 5-7.5 mm; filaments sparsely puberulent; anthers coherent at apex, reniform-ovoid, dehiscing from arcuate slits; staminodes 2, abaxial, 2-2.5 mm. Pistil included, ca. 5 mm, glabrous. Style ca. 1 mm; stigmas 2. Fruit unknown. Fl. May.

* E Guizhou (Jianhe Xian).