Ipomoea cairica |
|
|---|---|
|
mile-a-minute vine, sweet potato |
|
| Habit | Perennials. |
| Stems | 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. |
| Peduncles | glabrous; pedicels straight, 10–25 mm. |
| 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. |
| 2n | = 30. |
Ipomoea cairica |
|
| Phenology | Flowering Mar–Oct. |
| Habitat | Abandoned plantings, disturbed sites. |
| Elevation | -20–200 m. [-70–700 ft.] |
| Distribution |
AL; CA; FL; LA; Africa [Introduced in North America; introduced also in Mexico (Oaxaca), West Indies, South America]
|
| Parent taxa | |
| Sibling taxa | |
| Synonyms | Convolvulus cairicus |
| Name authority | (Linnaeus) Sweet: Hort. Brit., 287. (1826) |
| Source | FNA vol. 14. |
| Web links | |