Ipomoea cairica |
Ipomoea dumetorum |
|
---|---|---|
cairo morning glory, mile-a-minute vine |
railway creeper |
|
Habit | Perennials. | Annuals. |
Stems | usually twining, sometimes trailing. |
usually twining, sometimes trailing. |
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 deltate, ovate, or ovate-elongate, 24–80 × 8–87 mm, base cordate or ± sagittate to truncate, margins sometimes 3-toothed, surfaces glabrous. |
Peduncles | glabrous; pedicels straight, 10–25 mm. |
pilosulous on proximal 1–2 mm, distally 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. |
sepals elongate-ovate to ovate, 3.5–8 mm, chartaceous or coriaceous, apex acute to obtuse, abaxial surface dotted with dark spots; corolla usually dark lavender to pink, rarely white, funnelform, 15–28 mm. |
2n | = 30. |
|
Ipomoea cairica |
Ipomoea dumetorum |
|
Phenology | Flowering Mar–Oct. | Flowering Aug–Oct. |
Habitat | Abandoned plantings, disturbed sites. | Open, dry to wet sites, washes. |
Elevation | -20–200 m. (-100–700 ft.) | 2000–2800 m. (6600–9200 ft.) |
Distribution |
AL; CA; FL; LA; Africa [Introduced in North America; introduced also in Mexico (Oaxaca), West Indies, South America]
|
NM; TX; Mexico; South America |
Discussion | In the flora area, Ipomoea dumetorum is known from the Davis, Organ, and White mountains. The names I. cardiophylla and I. pulchella (Kunth) G. Don (not Roth) have been misapplied to plants of I. dumetorum. (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 | |
Name authority | (Linnaeus) Sweet: Hort. Brit., 287. (1826) | Willdenow in J. J. Roemer et al.: Syst. Veg. 4: 789. (1819) |
Web links |