PLANT: Annuals.

LEAVES: alternate, the basal and lower leaves entire to deeply pinnately lobed, the upper pinnately to subpalmately lobed, the distal lobe often larger than the lateral lobes.

INFLORESCENCE: with cymes congested, bracteate.

FLOWER: in AZ) shortpedicelled to subsessile, actinomorphic; calyx tube ruptured in fruit, the lobes acute; corolla actinomorphic, funnelform; stamens subequally inserted on the upper tube; filaments unequal in length; anthers included or exserted; style (in AZ) included.

CAPSULE: subglobose; seeds (in AZ) 1 per locule, dark brown, gelatinous when wet. 2N = 16, 18.

NOTES: 6 spp.; w N. Amer. (Latin allo = different + phyllum = leaf). Grant, A. and V. E. Grant, El Aliso 3: 93-110.

REFERENCES: Dieter H. Wilken and J. Mark Porter, 2005, Vascular Plants of Arizona: Polemoniaceae. CANOTIA 1: 1-37.