Petrocodon hechiensis (Y.G.Wei, Yan Liu & F.Wen) Y.G.Wei & Mich.Möller
Petrocodon Hance Perennial subterete, 1.5-2 cm long,ca.6 mm in diam.Leaves 6-16, all basal; leaf blades hard papery, slightly unequal in each pair, ovate or widely ovate, obtuse,base cordate or obliquely cordate, margin crenate, white-strigose on both surfaces, 6-7-nerved on each...