腺荆芥 xian jing jie

Herbs perennial, tufted, 40-70 cm or more tall, densely glandular, aromatic. Stems with scalelike leaves basally, densely glandular villous. Leaves sessile; leaf blade cordate-ovate, 1.3-3 × 0.8-2.2 cm, viscid, glandular, semi-amplexicaul, margin deeply incised-serrate. Verticillasters (2-)4- or 5-flowered, in axils of upper 4-8 pairs of leaves, densely glandular villous, widely spaced basally; lower peduncles 3-5(-10) mm; bracts and bracteoles narrowly lanceolate to linear, almost 1/2 as long as calyx. Pedicel 1-2.5 mm. Calyx 0.8-1.2 cm × 2-3 mm, erect, obconical, densely glandular villous, throat oblique; teeth ovate-triangular to lanceolate-triangular. Corolla bluish or purplish, 1.8-2.2 cm; tube slender, much exserted, dilated into limb, throat inconspicuous; upper lip 2.5-3 mm, lower lip ca. 1.5 × as long as upper lip, middle lobe reniform, ca. 2.5 × 4-5 mm. Nutlets greenish brown to brown, ellipsoid, 2-3 × 1-1.3 mm, base attenuate, apex attenuate and acute. Fl. Jul-Aug, fr. Aug-Sep (specimens not seen).

Alpine grasslands; 3500-4200 m. Xinjiang [Afghanistan, India, Tajikistan]

The glandular indumentum is a characteristic feature.