Definition of Vegetable oyster
1. Noun. Mediterranean biennial herb with long-stemmed heads of purple ray flowers and milky sap and long edible root; naturalized throughout United States.
Terms within: Oyster Plant, Oyster Plant, Salsify
Group relationships: Genus Tragopogon, Tragopogon
Generic synonyms: Herb, Herbaceous Plant
2. Noun. Long white salsify.
Generic synonyms: Salsify
Group relationships: Oyster Plant, Salsify, Tragopogon Porrifolius
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