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Revision of Microgyne (Asteraceae: Astereae), the Correct Name for Microgynella

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Abstract:

South American Microgyne Less. is resurrected from the synonymy of Microgynella. Microgyne Cass. is a nomen nudum and therefore not validly published. The replacement generic name Microgynella, a homotypic synonym of Microgyne Less., is illegitimate and superfluous. A revision is presented for the two species of Microgyne, one herein described as new. The new species, Microgyne marchesiana , is described from Uruguay and is diagnosed by pinnatifid leaves, whitish pappus, and a thick testa. A neotype is designated for Microgyne trifurcata Less. Detailed descriptions and illustrations are provided for the two species, together with additional data on anatomy.

Keywords: ASTERACEAE; ASTEREAE; COMPOSITAE; MICROGYNE; MICROGYNELLA; TAXONOMY

Document Type: Regular Paper

DOI: http://dx.doi.org/10.1600/036364406779695843

Publication date: October 1, 2006

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