1. (

• salsify ,
• oyster_plant ,

) edible root of the salsify plant ;

2. (

• salsify ,
• oyster_plant ,
• vegetable_oyster ,
• Tragopogon_porrifolius

) Mediterranean biennial herb with long-stemmed heads of purple ray flowers and milky sap and long edible root; naturalized throughout United States ;

3. (

• salsify

) either of two long roots eaten cooked ;