Verhuellia revisited—unravelling its intricate taxonomic history and a new subfamilial classification of Piperaceae

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Abstract:

The small poorly studied genus Verhuellia has usually been included in the genus Peperomia. However, a recent molecular study has revealed that Verhuellia is sister to all Piperaceae and neither part of, nor sister to Peperomia as expected. The genus currently includes three species, and with eight taxa described, has had a complex taxonomic history, including wrong synonymizations. Hence a thorough review of all publications mentioning Verhuellia and a detailed study of the herbarium specimens involved has been undertaken. In this paper we present a survey of the chaotic taxonomy of Verhuellia and clarify all nomenclatural obscurities. Additionally, as a consequence of the novel position of the genus, the traditional division of the family Piperaceae into two subfamilies Peperomioideae and Piperoideae is reconsidered.

Keywords: NOMENCLATURE; PEPEROMIA; PIPER; PIPERACEAE; PIPEROIDEAE; SUBFAMILIAL CLASSIFICATION; TYPIFICATION; VERHUELLIA; VERHUELLIOIDEAE; ZIPPELIOIDEAE

Document Type: Research Article

Affiliations: 1: Ghent University, Department of Biology, Research Group Spermatophytes, 9000 Gent, Belgium 2: Technische Universität Dresden, Institut für Botanik, 01062 Dresden, Germany

Publication date: May 1, 2008

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