Plant: annual herb; stems to 50 cm tall Leaves: to 14 cm long, sessile, oblanceolate, narrowly elliptic or nearly linear; margin mostly toothed to lobed Inflorescence: cymose; BRACTS lanceolate to ovate, green, mostly not on ovary; margins entire or few-toothed to -lobed Flowers: sessile; petals yellow, 2-4.5 mm long, 1-2.5 mm wide; staminodia 0; stamens ca. 15-30, all with linear filaments; style 1-2.5 mm long Fruit: capsules narrowly cylindric, linear, not tapering to base; base with woody ribs; body (6-)10-28 mm long, straight or arching to 90 degrees. SEEDS pendulous, not winged, those in upper half of capsule prismatic, 3-faceted, 3-angled in cross-section; testa cells with straight adjoining walls, the surface walls flat-topped Misc: 300-1350 m (1000-4500 ft); Jan-May References: C. Christy - Loasaceae - JANAS 30:96-111.ASU Specimens. REFERENCES: Christy, Charlotte M. 1998. Loasaceae. J. Ariz. – Nev. Acad. Sci. 30(2): 96.