oyster plant

(noun) edible root of the salsify plant. Synonyms: salsify, oyster plant.

(noun) Mediterranean biennial herb with long-stemmed heads of purple ray flowers and milky sap and long edible root; naturalized throughout United States. Synonyms: salsify, oyster plant, vegetable oyster, Tragopogon porrifolius.

(noun) long white salsify. Synonyms: oyster plant, vegetable oyster.