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Pollinator specificity drives strong prepollination reproductive isolation in sympatric sexually deceptive orchids

Whitehead, Michael; Peakall, Rodney

Description

Few studies have quantified the full range of pre- and postzygotic barriers that limit introgression between closely related plant species. Here, we assess the strength of four isolating mechanisms operating between two morphologically similar and very closely related sympatric orchid taxa, Chiloglottis valida and C. aff. jeanesii. Each taxon sexually attracts its specific wasp pollinator via distinct floral volatile chemistry. Behavioral experiments with flowers and synthetic versions of their...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
URI: http://hdl.handle.net/1885/65968
Source: Evolution
DOI: 10.1111/evo.12382

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