Plant: Annual, biennial; stem erect, 1-3 dm; hairs rough, coarse Leaves: 1-4 cm, 1-10 mm wide; basal oblanceolate; cauline linear to oblong or oblanceolate, sessile or lower short-petioled INFLORESCENCE: coiled, generally raceme-like, eventually ± open; bracts at base or to middle; pedicel in fruit suberect, < calyx; flowers generally in upper half of plant Flowers: calyx 4-6 mm, hairs spreading, hooked, lobes 5, unequal; corolla white, limb 1-2 mm diam, abruptly spreading, 5-lobed, tube 5-appendaged at top, stamens 5, included; style generally included Fruit: nutlets smooth, shiny, each with raised outer margin, scar lateral, at base, small, convex on outer side, keeled on inner Misc: moist grain fields; 0-200 m.