湖南黄芩 hu nan huang qin

Herbs erect. Stems sparsely antrorse appressed hairy, densely so on angles, with many long branches. Petiole (0.4-)1-3 cm, densely pubescent; leaf blade triangular-ovate, (2-)2.5-5.5 × (1.3-)1.5-4 cm, papery, adaxially sparsely strigose, glandular, densely pubescent on midrib, veins, and margin, abaxially glabrous and veins pubescent, base broadly cuneate to shallowly cordate, margin coarsely crenate to double crenate, apex obtuse. Racemes terminal, 2-5.5 cm; bracts petiolate, elliptic, ca. 3 mm, margin entire, sparsely pubescent. Fruiting pedicel ca. 2 mm, pubescent. Fruiting calyx ca. 4 mm, sparsely pubescent along veins otherwise glandular; scutellum ca. 4 mm. Corolla and nutlets not seen.

* Hunan.