Ipomoea cairica |
Ipomoea cristulata |
|
---|---|---|
cairo morning glory, mile-a-minute vine |
star-glory, trans-Pecos morning-glory |
|
Habit | Perennials. | Annuals. |
Stems | usually twining, sometimes trailing. |
twining. |
Leaf | blades orbiculate to ovate, 30–100 × 30–100 mm overall, palmatisect, lobes 5 (proximal 2 sometimes 2-lobed), lance-elliptic, lanceolate, or lance-ovate, (5–)10–25(–70) × (3–)8–15(–30) mm, apex acute to obtuse, surfaces glabrous. |
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; pedicels straight, 10–25 mm. |
glabrous. |
Flowers | sepals oblong to ovate, 4–6.5(–9) mm, outers slightly shorter than inners, chartaceous, margins scarious, apex obtuse to acute; corolla lavender-blue or white, throat purplish-red, funnelform, 45–60 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. |
2n | = 30. |
|
Ipomoea cairica |
Ipomoea cristulata |
|
Phenology | Flowering Mar–Oct. | Flowering May–Nov. |
Habitat | Abandoned plantings, disturbed sites. | Chaparral, grasslands, oak woodlands, ponderosa pine zones. |
Elevation | -20–200 m. (-100–700 ft.) | 700–2800 m. (2300–9200 ft.) |
Distribution |
AL; CA; FL; LA; Africa [Introduced in North America; introduced also in Mexico (Oaxaca), West Indies, South America]
|
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 | Convolvulus cairicus | Quamoclit gracilis |
Name authority | (Linnaeus) Sweet: Hort. Brit., 287. (1826) | Hallier f.: Meded. Rijks-Herb. 46: 20. (1922) |
Web links |