Bush morning glory

Perennials, taproot relatively large. Stems usually erect, some­times ± trailing. Leaf blades lance-linear to linear, 30–80(–150) × 2–8(–10) mm, base ± cuneate, surfaces glabrous. Peduncles glabrous. Flowers: sepals elliptic, orbiculate, or ovate, 5–10 mm, chartaceous or coriaceous, apex obtuse; corolla lavender-pink to purple-red, throat darker, funnelform, 50–90 mm. 2n = 30.

Flowering May–Sep. Plains, prairies, sandy sites; 0–2200 m; Colo., Kans., Mont., Nebr., N.Mex., Okla., S.Dak., Tex., Wyo.