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Article

Hybrid bridges to gene flow: a case study in milkweeds (Asclepias).

Evolution; international journal of organic evolution - 1 Oct 2002

Broyles Steven B

Abstract excerpt

Natural hybridization occurs throughout areas of sympatry for the North American milkweeds Asclepias exaltata and A. syriaca (Asclepiadaceae), even though the formation of F1 hybrid seed is a rare event. For introgressive hybridization to proceed, F1 and advanced hybrids must be released from reproductive barriers and successfully mate with one or both parental species. I investigated the mating system of natural...

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PMID: 12449481
DOI: 10.1111/j.0014-3820.2002.tb00120.x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

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