Ipomoea shumardiana
SouthW. Naturalist 6: 101. 1961.
Common names: Narrow-leaf morning glory
EndemicConservation concern
Basionym: Convolvulus shumardianus Torrey in R. B. Marcy Explor. Red River Louisiana, 291. 1852
Treatment appears in FNA Volume 14.
Perennials. Stems trailing or twining. Leaf blades deltate-ovate or narrowly lance-ovate, 30–80 × 10–40 mm, base cordate to truncate, surfaces glabrous. Peduncles glabrous. Flowers: sepals not dotted with dark spots, elliptic, oblong, or orbiculate, 10–15 mm, outers shorter than inners, coriaceous, surfaces glabrous; corolla pink or white, throat purple or red inside, funnelform, 50–80 mm, limb 50–80 mm diam.
Phenology: Flowering Jun–Aug.
Habitat: Plains, prairies.
Elevation: 200–600 m.
Distribution
Kans., Okla., Tex.
Discussion
Ipomoea shumardiana is known only from areas where I. leptophylla and I. pandurata are sympatric; the names I. longifolia and I. pandurata have been misapplied to plants of I. shumardiana.
Selected References
None.
Lower Taxa
None.