Ipomoea alba |
Ipomoea shumardiana |
|
---|---|---|
moon flower, tropical white morning-glory |
narrow-leaf morning glory |
|
Habit | Perennials. | Perennials. |
Stems | twining, usually prickly, sometimes rooting at nodes. |
trailing or twining. |
Leaf | blades broadly ovate to triangular or 3–5-lobed, 50–150 × 50–150 mm, base cordate, surfaces usually glabrous, rarely hairy. |
blades deltate-ovate or narrowly lance-ovate, 30–80 × 10–40 mm, base cordate to truncate, surfaces glabrous. |
Peduncles | glabrous. |
glabrous. |
Flowers | nocturnal; sepals ovate, 7–15 mm, ± coriaceous, apex acute, outers each with midrib extending as ± corniform appendage; corolla white, throat green-banded inside, salverform, 70–150 mm. |
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. |
Fruits | 20–30 mm. |
|
2n | = 30. |
|
Ipomoea alba |
Ipomoea shumardiana |
|
Phenology | Flowering Sep–May. | Flowering Jun–Aug. |
Habitat | Forest margins, swamps, moist sites. | Plains, prairies. |
Elevation | 0–100 m. (0–300 ft.) | 200–600 m. (700–2000 ft.) |
Distribution |
FL; LA; SC; TX; Mexico; Central America; South America; West Indies [Introduced in North America; introduced also in Asia]
|
KS; OK; TX |
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. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 14. | FNA vol. 14. |
Parent taxa | Convolvulaceae > Ipomoea | Convolvulaceae > Ipomoea |
Sibling taxa | ||
Synonyms | Calonyction aculeatum, Convolvulus aculeatus | Convolvulus shumardianus |
Name authority | Linnaeus: Sp. Pl. 1: 161. (1753) | (Torrey) Shinners: SouthW. Naturalist 6: 101. (1961) |
Web links |