Solanum incanum s.l. (Solanaceae): taxonomic relationships between S. incanum, S. campylacanthum, S. panduriforme and S. lichtensteinii

In a study designed to elucidate the taxonomy of Solanum incanum sensu lato, S. incanum L., S. campylacanthum Hochst. ex A. Rich., S. panduriforme E. Mey. ex Dunal and S. lichtensteinii Willd. from Africa and SW Asia were investigated using crossability and morphometric techniques. It is proposed th...

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Bibliographic Details
Published in:Kew bulletin 2012-09, Vol.67 (3), p.401-411
Main Author: Samuels, John
Format: Article
Language:English
Subjects:
Biological taxonomies
Biomedical and Life Sciences
Boards of trustees
Botanical gardens
Eggplants
Flowers
Fruit set
Inflorescences
Life Sciences
Plant Ecology
Plant Sciences
Plant Systematics/Taxonomy/Biogeography
Plants
Pollen
Seeds
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Summary:In a study designed to elucidate the taxonomy of Solanum incanum sensu lato, S. incanum L., S. campylacanthum Hochst. ex A. Rich., S. panduriforme E. Mey. ex Dunal and S. lichtensteinii Willd. from Africa and SW Asia were investigated using crossability and morphometric techniques. It is proposed that S. panduriforme is, in fact, a subspecies of S. campylacanthum (S. campylacanthum subsp. panduriforme) and that S. incanum and S. lichtensteinii are distinct species. Other information suggests that S. campylacanthum is more closely related to a common ancestor of S. incanum s.l. S. campylacanthum subsp. panduriforme and S. incanum are believed to have diverged away from S. campylacanthum-type predecessors in tropical E Africa, moving southwards or towards the Middle East, respectively. S. lichtensteinii probably evolved from an even earlier ancestor in its migration towards southern Africa.
ISSN:0075-5974
1874-933X
DOI:10.1007/s12225-012-9373-5