Plant: Annual (perennial herb), 10-50 cm; stem generally branched throughout, strigose and bristly; bristles spreading to ascending, some bulbous-based Leaves: 1-3.5(5) cm, simple, entire, linear, narrowly lanceolate, or oblong, short-bristly; bristles spreading; basal whorled; cauline generally opposite below, alternate above INFLORESCENCE: cymes, generally dense in fruit; lowest flowers not touching Flowers: sepals free, < or = 2 mm, 2.5-3(4) mm and linear-oblong in fruit, densely bristly to rough-hairy, hairs spreading; corolla generally white, tube generally 1-13 mm, appendages 5, white to yellow, corolla limb 1-2 mm wide; anthers included; ovary generally 4-lobed Fruit: Fruit: nutlets 4, ± 1-2 mm, subequal, ovate to triangular, back and generally inner face sparsely tubercled, margin generally narrowly winged, groove on inside surface opened widely below middle, edge generally elevated Misc: Sandy to rocky soils; 100-1200 m.; Mar-Apr