PLANT: Annuals, perennial herbs, or subshrubs, simple to branched.

LEAVES: basal to alternate, entire to deeply pinnately lobed, gradually reduced upward, the lobes completey confluent with the rachis, flat to terete, usually linear to oblong.

INFLORESCENCE: terminal, paniculate, open to congested, the basic unit composed of 2-7 pedicelled flowers subtended by a single bract, these sometimes arranged along one side of the rachis.

FLOWERS: actinomorphic to slightly zygomorphic; calyx tube membranes usually ruptured in fruit; corolla rotate to salverform, white to purplish or red; stamens unequally inserted on the corolla tube or throat; filaments equal or unequal in length; anthers included to exserted; style included to exserted.

CAPSULE: ovoid; seeds 1-many per locule.

NOTES: ca. 30 spp. in w N.Amer, 1 sp. in se U.S., and 1 sp. in S.Amer. (based on the resemblance of Ipomopsis rubra to Ipomoea quamoclit.)

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