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Arabis

noun
Ar·​a·​bis | \ˈarəbə̇s\

Definition of Arabis 

: a large genus of herbs (family Cruciferae) with white or purple flowers and flat siliques with nerved valves — see sicklepod, tower mustard

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History and Etymology for Arabis

New Latin, from Greek arabid-, arabis, a brassicaceous plant, probably from Arab-, Araps Arab; from its ability to grow in rocky or sandy soil

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