Definition of Cheiranthus
: a genus of perennial herbs (family Cruciferae) including the true wallflower
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Origin and Etymology of cheiranthus
borrowed from New Latin, from Medieval Latin keiri “wallflower, or a similar plant” (borrowed from North African or Hispano-Arabic khayrī, variant of Arabic khīrī “gillyflower,” borrowed from Persian) + New Latin -anthus -anthus
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