Plant: Annual 10-35 cm; stem simple or branched throughout; branches decumbent to erect, strigose and rough-hairy to short-bristly, hairs spreading Leaves: 1-3.5 cm, simple, entire, linear to narrowly oblanceolate, densely bristly; basal whorled; cauline generally opposite below, alternate above INFLORESCENCE: cymes, generally dense in fruit; lowest flowers sometimes not touching Flowers: sepals free, < 2 mm, 2-3 mm and lanceolate to narrowly ovate in fruit, generally soft-hairy, hairs appressed to stiffly ascending; 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: nutlet generally 1, ± 2 mm, lanceolate to narrowly ovate, back smooth, shiny, groove on inside surface ± closed, ± flared open at base, edges ± overlapping Misc: Sandy to rocky soils, slopes; 900-2150 m.; Apr-Jun