salsify

Any of several flowering plants, of the genus Tragopogon, most of which have purple flowers.

Any of several flowering plants, of the genus Tragopogon, most of which have purple flowers.

Pseudopodospermum hispanicum (syn. Scorzonera hispanica), a plant similar in flavor to T. porrifolius, with lanceolate leaves; cultivated for its dark-skinned edible root. Known in particular as "black salsify" among other common names

The edible root of these plants.