Dendranthema (DC.) Desmoulins

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

68. Dendranthema (DC.) Desmoulins 1

Herbaceous perennials, sometimes woody at base. Capitula solitary or in lax corymbs. Involucral bracts in 3 rows. Receptacle strongly convex, slightly punctate-tuberculate. Ligulate florets female, white or purplish; inner florets hermaphrodite, tubular-obconical; tube unwinged. Achenes all similar, cylindrical-obconical, 5- to 8-ribbed, without vallecular secretory canals, with or without epicarpic mucilaginous cells. Pappus absent.

Somewhat woody at base; leaves conspicuously glandular-punctate, the lower cauline ovate, (l-)2-pinnatisect 1. zawadskii

Herbaceous; leaves not conspicuously glandular-punctate, the lower cauline oblong to suborbicular, subpinnatifid 2. arcticum