Plant: Annual herb; stems simple or branched at the base, to 70 cm tall, the upper portion often angled and winged Leaves: opposite and sessile, or petioled and in basal rosettes, glabrous, 2-5 cm long, lanceolate to ovate; basal rosette common Inflorescence: cymose Flowers: pedicellate; calyx lobes 7-12 mm long, the tube ca. 1 mm long; corolla pink, rarely white, marcescent, the tube 12-20 mm long, the lobes lanceolate, 8-12 mm long Fruit: cylindric capsules, 8-14 mm long; SEEDS oblong to spherical, finely reticulate Misc: In moist soil and stream beds; 300-1850 m (1000-6100 ft; Feb-Nov References: W. B. McDougal. Seed plants of Northern Arizona. J.C. Hickman, ed. The Jepson Manual. ASU specimens.