A genus of small flowering plants in the mustard family, often grown in rock gardens for their delicate white or pink flowers.
From Latin, derived from the Greek name for a plant, possibly connected to Arabia or meaning 'grainy' referring to the plant's seed pods. The genus was formally named in botanical taxonomy during the 18th century.
Rock cress (arabis) is named so deceptively—these tiny plants aren't from Arabia at all, but the name stuck because early botanists loved naming things after exotic places!
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