Wild, H. & Pope, G.V. (1977) The Compositae of the Flora Zambesiaca area. 7. Vernonieae (excluding Vernonia). Kirkia 10(2) 339-384
Annuals. Leaves alternate, subsessile, glandular-punctate. Capitula homogamous, small, numerous. Inflorescence ± corymbose. Receptacle naked. Florets numerous, purple, mauve, pink or whitish. Achenes strongly ribbed; apex truncate bearing an initially cup-shaped but later dome-shaped appendage. Pappus 0.
Worldwide: 19 species in tropical Africa and Indomalesia
Zimbabwe: 1 taxon.