HABIT	AN ERECT ANNUAL HERB.
STEMS	SLENDER, SIMPLE OR SPARINGLY BRANCHED, GLABROUS.
LEAVES	BASAL LEAVES IN A ROSETTE. UPPER LEAVES SESSILE, SLIGHTLY RUGOSE, ELLIPTIC-OBLONG, HALF AMPLEXICAUL, WITH ROUNDED. APPRESSED AURICLES; SPINOUS OR SIMPLE DENTATE.
FLOWERS	HEAD SOLITARY, YELLOW, GLAND-HAIRY PEDUNCLE, SUB-UMBELLATE CORYMB.
FRUITS	ACHENE COMPRESSED, THE FACES FAINTLY RUGOSE BETWEENTHE RIBS. PAPPUS HAIRS WHITE.