PLANTS: Annuals, with fibrous roots.

LEAVES: petioles to 2 cm long; blades palmately 5-7-parted, 1.5-3 cm long and wide, the base cordate, the segments linear, apically acute,

INFLORESCENCE: 1-2-flowered; bracteoles 2-2.5 rom long.

FLOWERS: pedicels erect in fruit; sepals 9-14 rom long, attenuate-acuminate; corollas 2.3-4.5 cm long, the limb 3.2-4.6 cm wide; stamens 8-12 rom long.

NOTES: See the parent taxon for further description. Plains, desert scrub: Cochise, Gila, Graham, Pima, Pinal, Santa Cruz cos.; 600-1400 m (2000-4600 ft); Jun-Oct; Chih., Sin., Son., Mex.

REFERENCES: Austin, Daniel F. 1998. J. Ariz. - Nev. Acad. Sci. Convolvulaceae 30(2): 61.