Description from
Flora of China
Mazus wangii H. L. Li, Brittonia 8: 37. 1954; Mazus japonicus (Thunberg) Kuntze var. wangii (H. L. Li) P. C. Tsoong.
Plants less than 10 cm. Stems with creeping ascending branches. Petiole of basal leaves shorter than blade; leaf margin subentire. Racemes 3-7-flowered. Calyx not enlarged in fruit.
* Moist places in forest; 1500-2500 m. S Yunnan.
