苍山糙苏 cang shan cao su

Phlomis forrestii Diels var. taronensis C. Y. Wu.

Taproots thick, succulent. Stems 30-90 cm tall, stellate pilose. Petiole 2.5-15 cm; stem leaf blades ovate to elliptic, 10-19.5 × 4-14.5 cm, adaxially sparsely minutely hispid, abaxially stellate pilose, veins spreading minutely hispid, base cordate, margin crenate or serrate-crenate, apex acute to acuminate. Verticillasters many flowered; floral leaves similar to stem leaves; bracts subulate, herbaceous, 5-12 × ca. 1.5 cm, ciliate. Calyx tubular-campanulate, ca. (7-)12 × 6 mm, stellate puberulent outside, veins spreading bristly; teeth double toothed, densely puberulent at margin, apex emarginate, tufted pilose inside, spines ca. 2 mm. Corolla purplish, 2-2.3 cm; tube 1.1-1.2 cm, minutely tomentose near throat outside, pilose annulate inside; upper lip ca. 8 mm, margin denticulate, bearded inside; lower lip ca. 1.2 × 1.1 cm, middle lobe ovate, ca. 8 × 7 mm, margin irregularly undulate. Filaments long hairy, posterior 2 with a slender reflexed appendage at base. Nutlets black, globose, glabrous. Fl. Aug, fr. Sep.

* Pinus and Abies forests; 2700-4000 m. Yunnan.