scabrous

It differs in the smaller size of all parts and rufous scabrous tomentum .

它在全株各部分较小和红棕色的粗糙的绒毛层的方面不同。

Leaves densely glandular and abaxially scabrous ; corolla white with a yellow center.

浓密的叶具腺和背面粗糙；花冠白色具一个黄的中心。