Soliva Ruiz & Pavón

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 178

86. Soliva Ruiz & Pavón 1

Herbs. Leaves pinnatisect, alternate. Capitula sessile, surrounded by leaves. Involucral bracts in 2 subequal rows. Receptacle flat, without scales. Outer florets female; corolla absent. Inner florets usually functionally male; corolla tubular, 4-, rarely 2- or 3-dentate. Achenes glabrous, compressed, with a smooth, thin wing; style persistent; pappus absent.

Literature: A. L. Cabrera, Notas Mus. La Plata (Bot.) 14: 123-139 (1949).