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Book Chapter

Systematics and evolution of Lentibulariaceae: III. Utricularia

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Guisande,  Cástor
Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;

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http://www.oxfordscholarship.com/view/10.1093/oso/9780198779841.001.0001/oso-9780198779841-chapter-8
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Citation

Jobson, R. W., Baleeiro, P. C., & Guisande, C. (2017). Systematics and evolution of Lentibulariaceae: III. Utricularia. In A. M. Ellison, & L. Adamec (Eds.), Carnivorous plants: physiology, ecology, and evolution (pp. 89-104). Oxford: Oxford University Press. doi:10.1093/oso/9780198779841.003.0008.


Cite as: https://hdl.handle.net/21.11116/0000-0002-6BAF-2
Abstract
Utricularia is a morphologically and ecologically diverse genus currently comprising more than 230 species divided into three subgenera—Polypompholyx, Utricularia, and Bivalvaria—and 35 sections. The genus is distributed worldwide except on the poles and most oceanic islands. The Neotropics has the highest species diversity, followed by Australia. Compared to its sister genera, Utricularia has undergone greater rates of speciation, which are linked to its extreme morphological flexibility that has resulted in the evolution of habitat-specific forms: terrestrial, rheophytic, aquatic, lithophytic, and epiphytic. Molecular phylogenetic studies have resolved relationships for 44% of the species across 80% of the sections. Scant data are available for phylogeography or population-level processes such as gene flow, hybridization, or pollination. Because nearly 90% of the species are endemics, data are urgently needed to determine how to protect vulnerable species and their habitats.