PLANT: Annual, compact, much branched, the branches rigidly spreading to ascending. LEAVES: alternate, subsessile, linear to oblanceolate, pinnately toothed to lobed, the teeth and lobes with 1-3 bristles. INFLORESCENCE: terminal, compact to subcapitate, bracteate, the bracts leaflike, reduced in size. FLOWERS: actinomorphic, subsessile; calyx tube membranes ruptured in fruit, the lobes bristle-tipped; corolla funnelform; stamens equally inserted on the upper tube; filaments equal in length, straight; anthers mostly exserted; style exserted, with 3 stigmatic branches CAPSULE: ellipsoid, triangular in x-section, dehiscent, the 3 valves separating completely with age; seeds 2-10 per locule, gelatinous when wet. 2n=14. NOTES: 1 sp.; w U.S. (August Langlois, Louisiana botanist). Timbrook, S. 1986 Madrono 33: 157-174. REFERENCES: Dieter H. Wilken and J. Mark Porter, 2005, Vascular Plants of Arizona: Polemoniaceae. CANOTIA 1: 1-37.