a genus of the mustard family having white or yellow or purplish flowers; closely related to genus Arabis
Syn: ↑genus Arabidopsis
Hypernyms: ↑dilleniid dicot genus

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\\ˌarəbə̇ˈdäpsə̇s\ noun
Usage: capitalized
Etymology: New Latin, from Arabid-, Arabis + -opsis
: a small genus of annual or biennial herbs (family Brassicaceae) of north temperate regions with basal rosettes of petioled leaves, cauline leaves short-petioled or clasping, and flowers having white, purplish, or sometimes yellow petals — see mouse-ear cress

Useful english dictionary. 2012.

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