草原糙苏 cao yuan cao su

Stems villous, also stellate hairy from middle upward. Petioles of basal and lowermost stem leaves 3-22 cm, others 1-3 cm; basal and lower stem leaf blades cordate-ovate to ovate-oblong, 10-17 × 3.5-12 cm, adaxially sparsely pilose, sometimes also stellate pilose, abaxially stellate pilose sometimes mixed with simple hairs, base shallowly cordate, margin crenate, apex acute to obtuse, mid and upper stem leaf blades circular and smaller. Verticillasters short pedunculate to subsessile; floral leaves sessile, ovate-oblong, margin dentate to subentire; bracts linear-subulate, 0.8-1.5 cm, stellate pilose or tufted-pilose. Calyx tubular, 1-1.5 cm, thick veined, pilose or stellate pilose outside; teeth emarginate, with 2-3 mm aristae. Corolla purple-red, 1.5-2 × as long as calyx, villous outside; tube glabrous at base, obliquely pilose annulate inside; upper lip irregularly serrate, densely bearded inside; middle lobe of lower lip broadly obovate; lateral lobes shorter, ovate. Posterior filaments curved downward, appendage far above annulus; anthers slightly exserted. Nutlets glabrous.

Alpine meadows; 1500-3000 m. Xinjiang [Kazakhstan, Kyrgyzstan].