salsify

名词 salsify:

1. edible root of the salsify plant
   同义词：oyster plant
2. Mediterranean biennial herb with long-stemmed heads of purple ray flowers and milky sap and long edible root; naturalized throughout United States
   同义词：oyster plant, vegetable oyster, Tragopogon porrifolius
3. either of two long roots eaten cooked