tragopogon porrifolius(n = noun.plant) oyster plant, salsify, vegetable oyster - Mediterranean biennial herb with long-stemmed heads of purple ray flowers and milky sap and long edible root; naturalized throughout United States;
is a kind of herb, herbaceous plant
has parts: oyster plant, vegetable oyster, oyster plant, salsify
is a member of genus tragopogon, tragopogon

genus tragopogon, tragopogon, tragopogon dubius, tragopogon pratensis