ma·hon stock Bot. An annual cruciferous plant with reddish purple or white flowers (Malcolmia maritima). It is called in England Virginia stock, but the plant comes from the Mediterranean.
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Malcolmia maritima
n : erect branching herb cultivated for its loose racemes of
fragrant white or pink or red or lilac flowers; native to
sands and sea cliffs of southwestern Greece and southern
Albania [syn: Virginian stock, Virginia stock]