Boechera (rockcress) is a genus of the family Brassicaceae. It was named after the Danish botanist Tyge W. Böcher (1909–1983), who was known for his research in alpine plants, including the mustards Draba and Boechera holboellii. According to recent molecular-based studies, Boechera is closely related to the genus Arabidopsis which also includes the widely known model plant Arabidopsis thaliana.
GENUS
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Boechera (rockcress) is a genus of the family Brassicaceae. It was named after the Danish botanist Tyge W. Böcher (1909–1983), who was known for his research in alpine plants, including the mustards Draba and Boechera holboellii. According to recent molecular-based studies, Boechera is closely related to the genus Arabidopsis which also includes the widely known model plant Arabidopsis thaliana.
Until recently, members of this genus were included in the genus Arabis, but have been separated from that genus based on recent genetic and cytological data. Unlike the genus Arabis (x=8) Boechera has a base chromosome number of x=7. Many taxa are triploid. Boechera is a primarily North American genus, most diverse in the western United States, and its distribution range also includes Greenland and the Russian Far East. The genus is poorly known, and species within are difficult to separate morphologically though some clearly distinct species are known.
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