Scorzonera hispanica, black salsify or Spanish salsify, also known as black oyster plant, serpent root, viper's herb, viper's grass or simply Scorzonera, is a perennial member of the genus Scorzonera in the sunflower family (Asteraceae), cultivated as a root vegetable in the same way as some of the members of the salsify genus Tragopogon, also in the sunflower family. The black salsify plant has heads of yellow ray flowers. The thin black taproot grows up to one meter long and up to 2 cm in diameter. It has a black skin with white internal flesh. The black salsify is native to Southern Europe and the Near East.