genus Tragopogon ge·nust·ra·gopogon uncommon noun 1. genus of Old World herbs with linear entire leaves and yellow or purple flower heads SynonymsTragopogongenus Tragopogon Related words Broader terms asterid dicot genus Parts Compositae Part of salsifymeadow salsify WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.