Distribution: In scattered localities west of the Cascades in Washington; widely distributed throughout North America in except along southern border of U.S.
Habitat: Escaping from cultivation to lawns, roadsides, and other open, disturbed areas.
Flowers: May July
Conservation Status: Not of concern
Perennial herbs from rhizomes, with numerous, erect, unbranched stems 3-12 dm. tall, densely puberulent at least in the inflorescence, with short, leafy offshoots growing from the base later in the season.
Leaves in whorls of 6-8, sometimes up to 12, narrowly linear, sessile, often finely hairy, 1-3 cm. long, sharp pointed, the margins revolute.
Flowers numerous in terminal, often branched panicles; calyx obsolete; corolla rotate, bright yellow, 2-4 mm. wide, the 4 lobes much longer than the tube; ovary 2-celled, inferior.
Fruit dry, 1-1.5 mm. high, glabrous.