Ipomoea alba |
Ipomoea cristulata |
|
---|---|---|
moon flower, tropical white morning-glory |
star-glory, trans-Pecos morning-glory |
|
Habit | Perennials. | Annuals. |
Stems | twining, usually prickly, sometimes rooting at nodes. |
twining. |
Leaf | blades broadly ovate to triangular or 3–5-lobed, 50–150 × 50–150 mm, base cordate, surfaces usually glabrous, rarely hairy. |
blades usually (3–)5–7-lobed, middle lobe narrowly ± rhombic, sometimes proximal blades cordate to ovate, not lobed, 15–100 × 10–70 mm, base cordate to ± truncate, basal lobes rounded to pointed, margins ± dentate, surfaces glabrous or abaxial pilose. |
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. |
diurnal, sepals chartaceous to membranous, outers oblong, 3–3.5 mm, apex obtuse, rounded, or ± truncate, each with ± terminal corniform appendage 3–5 mm, glabrous, inners oblong, 4–5.7 mm, apex obtuse to truncate, each with ± terminal corniform appendage 2.5–3.5 mm; corolla red or red-orange, salverform, 18–26 mm, limb 10–15 mm diam. 2n = 30. |
Fruits | 20–30 mm. |
|
2n | = 30. |
|
Ipomoea alba |
Ipomoea cristulata |
|
Phenology | Flowering Sep–May. | Flowering May–Nov. |
Habitat | Forest margins, swamps, moist sites. | Chaparral, grasslands, oak woodlands, ponderosa pine zones. |
Elevation | 0–100 m. (0–300 ft.) | 700–2800 m. (2300–9200 ft.) |
Distribution |
FL; LA; SC; TX; Mexico; Central America; South America; West Indies [Introduced in North America; introduced also in Asia]
|
AZ; IA; KS; NM; TX; Mexico
|
Discussion | Reports of Ipomoea cristulata from Iowa and Kansas may be based on cultivated plants; the report for Minnesota probably resulted from typographic error: MN for NM; the report for South Carolina was based on a specimen of I. coccinea. (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 | Quamoclit gracilis |
Name authority | Linnaeus: Sp. Pl. 1: 161. (1753) | Hallier f.: Meded. Rijks-Herb. 46: 20. (1922) |
Web links |