   thumb|right|illustration of parts tragopogon porrifolius is a plant cultivated for its ornamental flower, edible root, and herbal properties. it also grows wild in many places and is one of the most widely known species of the salsify genus, tragopogon. it is commonly known as purple or common salsify, oyster plant, vegetable oyster, jerusalem star, goatsbeard or simply salsify (although these last two names are also applied to other species, as well). ==description== t. porrifolius is a common biennial wildflower, native to mediterranean regions of europe but introduced elsewhere, for example, into the british isles (mainly in central and southern england), p. 707. other parts of northern europe, north america, and southern africa and in australia; in the united states it is now found growing wild in almost every state, including hawaii, except in the extreme south-east. the plant grows to around 120&nbsp;cm in height. as with other tragopogon species, its s
Plants_described_in_1753 Root_vegetables Stem_vegetables Tragopogon