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STUBENDORFFIA AND WINKLERA BELONG TO THE EXPANDED LEPIDIUM (BRASSICACEAE)

Published online by Cambridge University Press:  14 June 2011

I. A. Al-Shehbaz  and
K. Mummenhoff
I. A. Al-Shehbaz
Affiliation:
Missouri Botanical Garden, PO Box 299, St Louis, MO 63166-0299, USA. E-mail: Ihsan.Al-Shehbaz@mobot.org
K. Mummenhoff
Affiliation:
Department of Botany, Faculty of Biology/Chemistry, University of Osnabrück, Barbarastrasse 11, 49069 Osnabrück, Germany.
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Abstract

The genus Stubendorffia (Brassicaceae) is distinguished from Lepidium solely by the dehiscent vs. indehiscent angustiseptate fruits. By contrast, Winklera is separated from Lepidium by a combination of perennial habit, pinnatisect leaves, yellow flowers, and wingless fruits, characters all of which occur individually and in various combinations within Lepidium. Extensive molecular studies strongly show that Winklera and polyphyletic Stubendorffia are nested within the earlier-published Lepidium and, therefore, the three genera are herein formally united. The new name Lepidium pavlovii and 10 new combinations, L. afghanicum, L. apterum, L. botschantzevii, L. curvinervium, L. lipskyi, L. olgae, L. orientalis, L. patrinoides, L. pterocarpum, and L. silaifolium, are proposed. Lepidium apterum is lectotypified. A complete generic synonymy of Lepidium and an expanded generic description are presented.

Keywords

Brassicaceaegeneric synonymyLepidiumnew combinationsnew nameStubendorffiatypificationWinklera
Type
Articles
Information
Edinburgh Journal of Botany , Volume 68 , Issue 2 , July 2011 , pp. 165 - 171
Copyright
Copyright © Trustees of the Royal Botanic Garden Edinburgh 2011

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