Plant: Perennial; stem erect, 3-8 dm, glabrous to hairy Leaves: cauline, generally alternate, 2-6 cm, sessile; blade linear to oblanceolate, glabrous, tip acute, margin entire INFLORESCENCE: involucre 1.5-2.5 mm, bell-shaped, glabrous; gland 1.5-2 mm, crescent-shaped, 2-horned Flowers: Staminate flowers 11-21, generally in 5 clusters around pistillate flower; Pistillate flower: 1, central, stalked; ovary chambers 3, ovule 1 per chamber, styles 3, divided 1/2 length Fruit: capsule, 3-5 mm, spheric, lobed, granular to smooth; Seed 2-2.5 mm, oblong, round, smooth, yellow-brown Misc: Fields, pastures; < 1400 m.