Petrocodon ferrugineus Y.G. Wei
Petrocodon Hance Perennial terete,1.5-4 cm,2-10 mm diam.Leaves 8 to 15,elliptic to to acute at apex,cuneate at base,margin with crenation generally up to the middle,densely villous on the abaxial and adaxial surfaces,often purple 0.5-3.5 cm,with dense ferruginous villous pubescence. Inflorescence...