Vernonella Sond. is restored as a distinct genus from synonymy under Vernonia and Centrapalus. Included are the type species Vernonella africana and 10 additional species with thinly scarious-margined involucral bracts and distinctive small, short-colpate type A pollen.
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1 September 2010
The restoration of the genus Vernonella Sond. (Vernonieae: Asteraceae)
Harold Robinson,
John J. Skvarla
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