Anales del Jardín Botánico de Madrid, Vol 63, No 2 (2006)

Phylogeny and biogeography of the Canarian Solanum vespertilio and S. lidii (Solanaceae)

Gregory J. Anderson, Gabriel Bernardello, Lynn Bohs, Terri Weese, Arnoldo Santos-Guerra



The endemic and rare Solanum vespertilio and S. lidii from the Canary Islands are notable in being andromonoecious, self compatible, highly heterandrous (with short >reward= anthers and one very long >pollination= anther), and bearing strongly zygomorphic corollas. Solanum vespertilio flowers are also tetramerous, and some display enantiostyly. Given their island distribution, uncommon for solanums, and many distinctive reproductive features, the phylogenetic position is of interest. With new molecular data from the chloroplast trnT-F region and the nuclear granule-bound starch synthase gene (GBSSI or waxy), we confirm the hypothesis that these two species are phylogenetically associated with Solanum lineages from Africa, rather than with previously suggested Mexican species. The phylogeny facilitates understanding the evolution of the unique suite of reproductive characteristics in these island endemics.


subgenus Leptostemonum;Solanum vespertilio;Solanum lidii;trnT-F region;granule-bound starch synthase gene;andromonoecy;heterandry;enantiostyly

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