Ipomoea alba |
Ipomoea thurberi |
|
---|---|---|
moon flower, tropical white morning-glory |
Thurber's morning-glory |
|
Habit | Perennials. | Perennials, root elongate, tuberous. |
Stems | twining, usually prickly, sometimes rooting at nodes. |
trailing or twining. |
Leaf | blades broadly ovate to triangular or 3–5-lobed, 50–150 × 50–150 mm, base cordate, surfaces usually glabrous, rarely hairy. |
blades ± sagittate, 10–50 × 20–65 mm overall, base sagittate, or blades palmatisect, lobes 5–7, lanceolate, linear, or oblong, surfaces sparsely strigose. |
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. |
nocturnal; sepals lanceolate to lance-linear, 12–15 × 3–4 mm, ± herbaceous, base obscurely warty or not, apex acuminate, setaceous-caudate; corolla white, tube green, limb red, rose, drying purple, funnelform-salverform, 50–80 mm, limb 50–65 mm diam. |
Fruits | 20–30 mm. |
|
2n | = 30. |
|
Ipomoea alba |
Ipomoea thurberi |
|
Phenology | Flowering Sep–May. | Flowering Aug–Sep. |
Habitat | Forest margins, swamps, moist sites. | Oak woodlands, rocky sites. |
Elevation | 0–100 m. (0–300 ft.) | 1100–1600 m. (3600–5200 ft.) |
Distribution |
FL; LA; SC; TX; Mexico; Central America; South America; West Indies [Introduced in North America; introduced also in Asia]
|
AZ; Mexico (Chihuahua, Sonora) |
Source | FNA vol. 14. | FNA vol. 14. |
Parent taxa | Convolvulaceae > Ipomoea | Convolvulaceae > Ipomoea |
Sibling taxa | ||
Synonyms | Calonyction aculeatum, Convolvulus aculeatus | I. gentryi |
Name authority | Linnaeus: Sp. Pl. 1: 161. (1753) | A. Gray in A. Gray et al.: Syn. Fl. N. Amer. 2(1): 212. (1878) |
Web links |