天山扭藿香 tian shan niu huo xiang

Stems erect, branched, pilose. Leaves subsessile upward; petiole ca. 1 cm; leaf blade ovate to narrowly ovate, 1.5-3 × 0.9-2.1 cm, villous, abaxially sparsely glandular, ± corrugate when dry, base shallowly cordate to truncate or rounded, margin crenate, apex obtuse to acute. Cymes 3- to many flowered; peduncle 8-15 mm. Calyx tubular-campanulate, dilated at apex, 1-1.2 cm, 15-veined, villous, pilose annulate inside, mouth oblique, upper lip longer; teeth lanceolate to ovate-lanceolate. Corolla blue, 1.7-2.1 cm, ± pubescent; tube exserted; middle lobe of apparent upper lip emarginate, margin undulate; lateral lobes smaller, subcircular; lobes of apparent lower lip broadly elliptic-oblong. Anterior stamens exserted. Fl. Aug.

Stony slopes. Xinjiang [Kazakhstan, Kyrgyzstan].