单花莸 dan hua you

Teucrium nepetifolium Bentham in A. de Candolle, Prodr. 12: 580. 1848.

Herbs, perennial, 30-60 cm tall, prostrate. Branches pubescent, 4-angled. Petiole ca. 3-10 mm, pubescent; leaf blade broadly ovate to subrounded, 1.5-5 X 1.5-4 cm, papery, pubescent, glandular, base broadly cuneate to rounded, margin coarsely serrate, apex obtuse, veins 3-5 pairs. Flowers axillary, solitary; bractlets short, linear. Pedicel slender. Calyx cup-shaped, ca. 6 mm, pubescent, glandular; lobes 5, ovate-lanceolate to ovate. Corolla bluish, tube 6-9 mm, lobes entire, lower lobe largest, outside sparsely puberulent and glandular. Stamens inserted near corolla throat; filaments basally hairy. Ovary densely pubes-cent. Nutlets ovoid, hirsute, without winged edges. Fl. and fr. May-Sep.

* Forest edges along streams and roadsides; 100-700 m. Anhui, Fujian, Jiangsu, Zhejiang

Medicinal.