Viola comollia, Massara

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1981, Flora Europaea. Volume 2. Rosaceae to Umbelliferae, Cambridge University Press : 276

37. V. comollia Massara , Prodr. FI. Vaiteli. 203 (1834).

Caespitose perennial up to 10 cm. Underground stems filiform. Leaves entire, ovate to oblong, glabrous or sparingly pubescent; lamina about | as long as petiole. Stipules like the leaves, but smaller, entire, or sometimes with a lacinia on the outer side. Flowers 1-5-2-5 cm. Sepals pubescent. Petals bright violet on inner side, with an orange or deep yellow spot, pale yellow on outer side; lower petal very broad. Spur short, slender, obtuse, curved, twice as long as calycine appendages. Non-calcareous screes. • 5. Alps ( Alpi Orobie ). It.