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Free keywords:
Apomixis
Arabis
Boechera
Brassicaceae
Genetic crossing
Hybridization
Microsatellites
Polyploidy.
Arabis-holboellii brassicaceae
Arabidopsis-thaliana
Dandelions taraxacum
Natural-populations
Rapid evolution
Rust infection
Selection
Loci
Wild
Diversification.
Plant Sciences in Current Contents(R)/Agricultural, Biology &
Environmental Sciences.
Abstract:
Of the 340 genera in the Brassicaceae, apomictic reproduction is found only in the North American genus Boechera. We investigated phylogenetic relationships, ability to hybridize, mating system, and ploidy levels of 92 lines sampled from 85 populations