Plant: Annual forb to 10 cm; stems prostrate and spreading, strigose Leaves: herbage bristly, generally alternate, generally 0.5-4 cm, ± linear INFLORESCENCE: cymes, pedicel in fruit 1.3-2.8 mm, partly fused to 1 nutlet Flowers: basal cleistogamous; in fruit lower 3 sepals unequal, < others; corolla 0.8-3 mm, white; style attached to receptacle, unbranched, generally persistent, stigma 1, head-like Fruit: Fruit: nutlet 4, 1.2-3 mm, oblong to oblanceolate; basal nutlets 2-4 per flower, not paired, reflexed, 1 unmargined, others narrowly entire- to ± dentate-margined; cauline nutlets with paired divergent appendages, curved, margins ± entire (and narrowly to widely membranous) to dentate Misc: Washes, roadsides, openings in creosote-bush scrub, Joshua-tree woodland; < 1400 m.; Feb-May