PLANT: herbs, annual, the stems diffuse, 1-3 dm long, erect to ascending, 1-2 mm in diameter, minutely puberulent to pubescent. LEAVES: with blades oblong to linear-lanceolate, 1.5-4 cm long, basally cuneate and narrowing to a somewhat winged petiole shorter than blade, the margins entire. INFLORESCENCE: 1-flowered, puberulent; bracts spathulate to subulate, placed 4-5 mm below the calyx, 3-8 mm long. FLOWERS: on peduncles 1-3 cm long; sepals oblong-ovate, 3-4 mm long, apically obtuse, pubescent, the margins scarious; corollas white-tinged or striped with blue or pink, 4-6 mm long, 5-lobed for 1/3-1/2 their length, glabrous. FRUITS: globose, 5-8 mm wide, glabrous; seeds 1-4, brown, 2 mm long, minutelypapillate. NOTES: Grassy and rocky places, friable wet clay soils, serpentine ridges; Gila Co. (Tonto Basin); 0-730 m (0-2400 ft.); Mar-May; sw CA; n Baja C., s to 30°42’ (El Rosario, Wiggins 1980). REFERENCES: Austin, Daniel F. Southwestern 2006. Convolvulaceae. CANOTIA 2 (3): 79-106.