石荠苎 shi qi zhu

Ocimum scabrum Thunberg, Trans. Linn. Soc. London 2: 338. 1794; Mosla lanceolata (Bentham) Maximowicz; M. punctata (Thunberg) Maximowicz; Ocimum punctatum Thunberg; Ocimum punctulatum J. Gmelin; Orthodon lanceolatus (Bentham) Kudo; Orthodon punctatum (Thunberg) Kudo; Orthodon punctulatum (J. Gmelin) Ohwi; Orthodon scaber (Thunberg) Handel-Mazzetti; Perilla lanceolata Bentham.

Stems 20-100 cm tall, much branched, densely pubescent. Petiole 0.3-1.6(-2) cm; leaf blade ovate to ovate-lanceolate, 1.5-3.5 × 0.9-1.7 cm, papery, abaxially gray, subglabrous or sparsely pubescent, densely impressed glandular, base rounded to broadly cuneate, margin serrate, apex acute to obtuse. Racemes 2.5-15 cm; bracts ovate, 2.7-3.5 mm, densely fine white pilose. Calyx ca. 2.5 × 2 mm, pilose outside, limb 2-lipped; upper lip teeth ovate-lanceolate, apex acuminate, middle tooth smaller; lower lip teeth linear, apex acute; fruiting calyx to 4 × 3 mm, distinctly veined. Corolla reddish, 4-5 mm, puberulent, hairy annulate near base inside, tube gradually dilated at apex, upper lip straight, middle lobe of lower lip crenate. Nutlets yellow-brown; globose, ca. 1 mm in diam., pitted with small depressions. Fl. May-Nov, fr. Sep-Nov.

Hills, thickets; 0-1100 m. Anhui, Fujian, Gansu, Guangdong, Guangxi, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Liaoning, Shaanxi, Sichuan, Taiwan, Zhejiang [Japan, Vietnam]

Used medicinally.