图们黄芩 tu men huang qin

Rhizomes white. Stems purple, to 35 cm tall, finely pilose, pubescent on nodes. Leaves short petiolate to subsessile, ovate to oblong-ovate, 2-3 × ca. 1.3 cm, fine glandular abaxially, base obscurely subhastate, white hirtellous, apex somewhat obtuse. Flowers solitary, axillary. Pedicel ca. 2 mm, spreading glandular villous. Calyx obconical-campanulate, spreading glandular villous, 4-5 mm. Corolla purple-blue, 1.4(-2.5) mm; tube narrow, gradually dilated, glandular pubescent outside; lower lip longer than upper lip. Stamens slightly exserted; anthers pilose (no material seen).

Riverside grasslands; 0-600 m. Jilin (Tumen Jiang) [Russia].