Heteranthemis Schott

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 : 169

67. Heteranthemis Schott 1

Like Chrysanthemum but whole plant more or less covered with viscid, glandular hairs; corolla-tube not laterally expanded and 2-winged; outer achenes 3-winged, the wings with apical spines; inner achenes laterally compressed, 1 - to 2-winged, with apical spines, the adaxial wing strongly developed.