Plant: annual herb; 2.5-35 cm tall Leaves: 2.5-16 cm long, 0.4-5 cm wide, sessile, lanceolate to elliptic; margins dentate or lobed to pinnatifid; upper leaves with a broad to markedly clasping base. BRACTS 2-several, ovate to elliptic, scarious with green margins, obscuring ovary INFLORESCENCE: cymose Flowers: pedicellate; petals light yellow to cream, each with a horizontal orange band at base, 1-4.5 cm long, 0.5-2 cm wide; staminodia 0; stamens ca. 100, the outer filaments broadened and 3-toothed at apex; styles 10-20 mm long; papillae of stigmas not conspicuous Fruit: capsules cylindric, 1-3 cm long, erect. SEEDS horizontal, not winged, subrectangular, flattened, tapered at hilum end but not constricted; testa cells with straight adjoining walls, the surface walls mostly smooth Misc: Roadsides, rocky slopes, washes; 250-900 m (700-2900 ft); Feb-May References: C. Christy - Loasaceae - JANAS 30:96-111.ASU Specimens.