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Notes on the identity and typification of Zehneria thwaitesii (Schweinf.) C.Jeffrey and Zehneria tridactyla (Hook.f.) R. Fern. & A. Fern. (Cucurbitaceae)

C. BRÄUCHLER, MAYANK D. DWIVEDI, H. SCHAEFER

Abstract


In Zehneria thwaitesii long standing uncertainties persisted with respect to taxonomic delimitation. This study is a first step in clarifying the case using both morphological and molecular phylogenetic analyses. We here provide a complete overview on the nomenclatural history of Z. thwaitesii. For the African plants hitherto included in the broadly circumscribed species the name Z. tridactyla is reinstated and a lectotype is designated. Diagnostic features distinguishing both taxa are summarised. Z. thwaitesii is now considered restricted to Asia.


Keywords


Africa, Asia, Cucurbitales, Hooker, Kirk, nomenclature, typification, Welwitsch, Eudicots

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DOI: http://dx.doi.org/10.11646/phytotaxa.284.2.6

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ISSN 1179-3155 (print); ISSN 1179-3163 (online)

Published by Magnolia Press, Auckland, New Zealand