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Does inbreeding avoidance maintain gender dimorphism in Wurmbea dioica (Colchicaceae)?

Ramsey, Mike; Vaughton, Glenda; Peakall, Rodney


The maintenance of females in gender dimorphic populations requires that they have a fitness advantage to compensate for their loss of male reproductive function. We assess whether inbreeding avoidance provides this advantage in two subdioecious Wurmbea dioica populations by estimating seed production, outcrossing rates and inbreeding depression. Fruiting males produced less than half as many seeds as females, owing to low outcrossing rates and early acting inbreeding depression. Inbreeding...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
Source: Journal of Evolutionary Biology
DOI: 10.1111/j.1420-9101.2006.01129.x


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