Similar to P. rongrong but distinguished by the plant being covered entirely with short pubescence, leaf lobes with numerous coarse serrations on the margin, leaf abaxial surface pale green or pale purple, flower throats white with distinct purple nectar guides. Grows in crevices of limestone cliffs. If you have an image of this species, please contact the webmaster. 如果你有这个物种的图像,请与网站管理员联系。