Ipomoea alba |
Ipomoea costellata |
|
---|---|---|
moon flower, tropical white morning-glory |
crest-rib morning glory |
|
Habit | Perennials. | Annuals. |
Stems | twining, usually prickly, sometimes rooting at nodes. |
usually trailing, or twining only near tips, rarely erect. |
Leaf | blades broadly ovate to triangular or 3–5-lobed, 50–150 × 50–150 mm, base cordate, surfaces usually glabrous, rarely hairy. |
blades palmatisect, lobes 5–9, lance-linear, linear, oblanceolate, or spatulate, 7–28 × 0.5–3(–8) mm, surfaces glabrous or sparsely hispidulous. |
Peduncles | glabrous. |
usually glabrous, rarely sparsely hispidulous. |
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 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. |
Fruits | 20–30 mm. |
|
2n | = 30. |
|
Ipomoea alba |
Ipomoea costellata |
|
Phenology | Flowering Sep–May. | Flowering Jul–Nov. |
Habitat | Forest margins, swamps, moist sites. | Chaparral, oak woodlands, ponderosa pine zone, rocky sites. |
Elevation | 0–100 m. (0–300 ft.) | 100–2200 m. (300–7200 ft.) |
Distribution |
FL; LA; SC; TX; Mexico; Central America; South America; West Indies [Introduced in North America; introduced also in Asia]
|
AZ; NM; TX; Mexico [Introduced in South America]
|
Source | FNA vol. 14. | FNA vol. 14. |
Parent taxa | Convolvulaceae > Ipomoea | Convolvulaceae > Ipomoea |
Sibling taxa | ||
Synonyms | Calonyction aculeatum, Convolvulus aculeatus | I. costellata var. edwardsensis |
Name authority | Linnaeus: Sp. Pl. 1: 161. (1753) | Torrey in W. H. Emory: Rep. U.S. Mex. Bound. 2(1): 149. (1859) |
Web links |