Cymbalaria muelleri, (Moris) A. Cheval.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1972, Flora Europaea. Volume 3. Diapensiacea to Myoporaceae, Cambridge: Cambridge University Press : 237

4. C. muelleri (Moris) A. Cheval. , Bull. Soc. Bot. Fr. 83: 645 (1937).

Stems and leaves densely puberulent; stems c. 5 cm, crowded, caespitose. Leaves up to 15x18 mm, orbicular to reniform, entire or obscurely 3-lobed with rounded, subequal lobes. Pedicel c. 8 mm at anthesis, up to 30 mm in fruit. Calyx c. 2-5 mm. Corolla c. 10 mm, dull violet with reddish palate; spur 2 mm. Capsule glabrous, considerably exceeding calyx. Seeds 1-1-3 mm, black, globose, covered with large, hemispherical tubercles. Rocks and walls. • C. Sardegna (near Laconi).?Co Sa.

Very distinct in its condensed, caespitose habit (which is retained in cultivation) and the ornamentation of its seeds. Plants from two localities in Corse have been referred to this species, but until they have been rediscovered in the field and the structure of their seeds ascertained it is probably best to regard them as abnormal variants of 3(a).