Cyanthillium is a genus of tropical plants in the tribe Vernonieae within the family Asteraceae.Flora of North America, Cyanthillium Blume, Bijdr. Fl. Ned. Ind. 889. 1826. It includes 12 species native to tropical and subtropical Africa, Asia, Australia, and the Pacific.
Species 12 species are accepted.Robinson, H. 1990. Six new combinations in Baccharoides Moench and Cyanthillium Blume (Vernonieae: Asteraceae). Proceedings of the Biological Society of Washington 103(1): 248–253 Cyanthillium albicans (DC.) H.Rob. - southwestern India Cyanthillium cinereum (L.) H.Rob. - tropical Asia + tropical Africa; naturalized in tropical Americas including Florida Cyanthillium gracilis Cyanthillium conyzoides (DC.) H.Rob. - southwestern India Cyanthillium hookerianum (Arn.) H.Rob. - Sri Lanka Cyanthillium maritimum – Philippines and Taiwan Cyanthillium patulum (Dryand. ex Dryand.) H.Rob. - tropical Asia, Madagascar Cyanthillium polytrichomata – Tanzania and Zambia Cyanthillium stelluliferum (Benth.) H.Rob. - tropical Africa Cyanthillium vernonioides (Muschl.) H.Rob. - central Africa Cyanthillium wollastonii (S.Moore) H.Rob., Skvarla & V.A.Funk - East Africa
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