• Scientific Name: Schnabelia nepetifolia (Benth.) P.D.Cantino
• Ref: Syst. Bot. 23:381. 1998 publ. 1999
• Synonyms: Caryopteris nepetifolia (Benth.) Maxim.; C. nepetifolia f. brevipes C.Y.Wu & H.W.Li; Teucrium nepetifolium Benth.
• Chinese Common Name: 单花莸 dānhuā∙yóu, 荆芥叶四棱草 jīngjiè∙yè sìléng∙cǎo
• Family: Lamiaceae
• Genus: Schnabelia
• Distribution: Forest edges along streams and roadsides; 100-700 m. Anhui, Fujian, Jiangsu, Zhejiang
• Photo: Yuhuang Hill, Hangzhou

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. (Flora of China)