茎单一或数个和丛生，上面分枝，密被糙硬毛，毛盘状的在基部；分枝纤细，平展。
Stems single or several and cespitose , branched above, densely hispid, hairs discoid at base; branches slender, spreading.
叶密被长硬毛背面的特别是在脉上。花对生。显著被微柔毛有环的花冠筒在里面。
Leaves densely hirsute especially on veins of abaxial surface. Flowers opposite. Corolla tube conspicuously puberulent annulate inside.
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