Ipomoea costellata
Rep. U.S. Mex. Bound. 2(1): 149. 1859.
Common names: Crest-rib morning glory
Synonyms: Ipomoea costellata var. edwardsensis O’Kennon & G. L. Nesom
Treatment appears in FNA Volume 14.
Annuals. Stems usually trailing, or twining only near tips, rarely erect. Leaf blades palmatisect, lobes 5–9, lance-linear, linear, oblanceolate, or spatulate, 7–28 × 0.5–3(–8) mm, surfaces glabrous or sparsely hispidulous. Peduncles usually glabrous, rarely sparsely hispidulous. Flowers: sepals lance-oblong to lanceolate, outers 3–5 × 1–2 mm, inners 4–6 × 2–3 mm, herbaceous, apex acute, abaxial surface usually ± carinate and glabrous, sometimes hispidulous on midrib; corolla pale lavender to pink, funnelform, 10–12 mm.
Phenology: Flowering Jul–Nov.
Habitat: Chaparral, oak woodlands, ponderosa pine zone, rocky sites.
Elevation: 100–2200 m.
Distribution
Ariz., N.Mex., Tex., Mexico, introduced in South America.
Discussion
Selected References
None.
Lower Taxa
None.