Original Research

The genus Solanum (Solanaceae) in southern Africa: subgenus Leptostemonum, the introduced sections Acanthophora and Torva

W. G. Welman
Bothalia | Vol 33, No 1 | a429 | DOI: https://doi.org/10.4102/abc.v33i1.429 | © 2003 W. G. Welman | This work is licensed under CC Attribution 4.0
Submitted: 03 September 2003 | Published: 12 September 2003

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W. G. Welman, National Herbarium. National Botanical Institute, South Africa

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Abstract

In the genus Solanum L. (Solanaceae), subgenus Leptostemonum (Dunal) Bitter, section Acanthophora Dunal has four representatives in the Flora of southern Africa region (South Africa. Lesotho, Swaziland, Namibia. Botswana), namely  S. aculeatissimum Jacq.. S. capsicoides Allioni. S. mammosum L. (cultivated only) and S. viarum Dunal. Section  Ton a Nees has two representatives in southern Africa, namely S.  chnsotriclium Schltdl. (S.  hispidum auctt. non Pers.) and S.  ton um Sw.; both are naturalized weeds.  Solanum capsicoides, S. viarum and S.  torvum have not been listed before for southern Africa. All are introduced species native to the New World. Descriptions, discussions, illustrations and distribution maps of the naturalized species are presented, as well as keys to the species of both sections.


Keywords

<i>Acanthophora</i> Dunal. ethnobotany; <i>Leptostemonum</i> (Dunal) Bitter; morphology. Solanaceae. Solanum L.. southern Africa; taxonomy; Tona Nees

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