Ipomoea alba |
Ipomoea pubescens |
|
---|---|---|
moon flower, tropical white morning-glory |
silky morning-glory |
|
Habit | Perennials. | Perennials, root oblong, relatively large. |
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 cordate, ovate, or 3–5-lobed, 20–80 × 20–90 mm, base cordate, lobes elliptic to ovate, surfaces ± hirsute or coarsely sericeous. |
Peduncles | glabrous. |
hairy, hairs retrorse or spreading. |
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-ovate to ovate, 9–21 × 2–11 mm, herbaceous, abaxial surface ± hispid or coarsely sericeous; corolla blue to violet, funnelform, 55–80 mm, limb 60–70 mm diam. |
Fruits | 20–30 mm. |
|
2n | = 30. |
|
Ipomoea alba |
Ipomoea pubescens |
|
Phenology | Flowering Sep–May. | Flowering Aug–Sep. |
Habitat | Forest margins, swamps, moist sites. | Rocky sites, stream beds, oak woodlands. |
Elevation | 0–100 m. (0–300 ft.) | 100–1600 m. (300–5200 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; South America
|
Source | FNA vol. 14. | FNA vol. 14. |
Parent taxa | Convolvulaceae > Ipomoea | Convolvulaceae > Ipomoea |
Sibling taxa | ||
Synonyms | Calonyction aculeatum, Convolvulus aculeatus | |
Name authority | Linnaeus: Sp. Pl. 1: 161. (1753) | Lamarck in J. Lamarck and J. Poiret: Tabl. Encycl. 1: 465. (1793) — (as Ipomaea) |
Web links |