January 1988
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Kew Bulletin
The taxonomy of east tropical African Vernonieae is revised and the necessary nomenclatural innovations made preliminary to an account of the tribe for the 'Flora of Tropical East Africa'. The genera Vernonia Schreb., Aedesia O. Hoffm., Hystrichophora Mattf, Gutenbergia Sch. Bip., Erlangea Sch. Bip., Bothriocline Oliv., Rastrophyllum Wild & Pope, Ethulia L., Brachythrix Wild & Pope, Ageratinastrum Mattf., Dewildemania O. Hoffm., Sparganophorus Boehm. and Elephantopus L. are accepted and distinguished and keys to the species provided. Kinghamia C. Jeffrey is described as new, to accommodate certain west and central African species previously included in Gutenbergia and Centratherum Cass.