祁门黄芩 qi men huang qin

Stems ± flexuous, ca. 30 cm tall, densely retrorse yellowish pubescent, much branched. Petiole to 4 cm, spreading yellowish pilose; leaf blade ovate, 6.5-7 × 4-4.6 cm on stem, 1.5-2.5 × 1.2-1.7 cm on branches, herbaceous, densely pilose, base cordate, margin crenate, apex acute. Racemes terminal on lateral branches, to 15 cm. Pedicel ca. 3 mm, spreading, glandular pilose. Fruiting calyx ca. 4 mm, glandular pilose; scutellum ca. 3.5 mm. Corolla and nutlets not seen. Fr. Aug.

* Streamsides in forests; ca. 100 m. Anhui (Qimen Xian).