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).

Opithandra cinerea là một loài thực vật có hoa trong họ Tai voi. Loài này được W.T. Wang mô tả khoa học đầu tiên năm 1982.

灰叶后蕊苣苔（学名：Opithandra cinerea）为苦苣苔科后蕊苣苔属下的一个种。