地埂鼠尾草 di geng shu wei cao

Leaves mostly basal or subbasal, rarely on stem or basal and on stem; petiole glabrous or sparsely puberulent. Verticillasters remote. Calyx green, ca. 4.5 mm, tubular, papery, dorsally tinged red when dry.

Hilltops, valleys, forests. Fujian, Guangdong, Taiwan [Philippines].