Ipomoea alba |
Ipomoea plummerae |
|||||
---|---|---|---|---|---|---|
moon flower, tropical white morning-glory |
Huachuca morningglory, Huachuca Mountain morning-glory, Plummer's morning glory |
|||||
Habit | Perennials. | |||||
Stems | twining, usually prickly, sometimes rooting at nodes. |
usually ± trailing, sometimes ascending, erect, or twining near tips. |
||||
Leaf | blades broadly ovate to triangular or 3–5-lobed, 50–150 × 50–150 mm, base cordate, surfaces usually glabrous, rarely hairy. |
blades of 2 forms; one form ± orbiculate, palmatisect, lobes (3–)5(–7+), linear to spatulate, 3–30(–50) × (0.5–)1–2.5 mm, base ± truncate; the other form ± cuneate-obovate, proximally cuneate, distally ± incised, 3–5(–7+)-toothed; surfaces glabrous. |
||||
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. |
sepals oblong to ovate, outers 5–8 × 2–3 mm, abaxial surface ± muricate or smooth, apex acute to obtuse, mucronate, inners broadly ovate, 7–9(–10) × 3–4 mm, apex acuminate to acute, surfaces glabrous, chartaceous to coriaceous; corolla purple to lavender, funnelform, 25–31 mm, limb 18–22 mm diam. |
||||
Fruits | 20–30 mm. |
|||||
Vperennials | , root globose, tuberlike. |
|||||
2n | = 30. |
|||||
Ipomoea alba |
Ipomoea plummerae |
|||||
Phenology | Flowering Sep–May. | |||||
Habitat | Forest margins, swamps, moist sites. | |||||
Elevation | 0–100 m. (0–300 ft.) | |||||
Distribution |
FL; LA; SC; TX; Mexico; Central America; South America; West Indies [Introduced in North America; introduced also in Asia]
|
sw United States; Mexico; South America
|
||||
Discussion | Varieties 3 (2 in the flora). Variety cupulata J. A. McDonald is known in Mexico from Chihuahua, Guerrero, Jalisco, and Sinaloa. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|||||
Key |
|
|||||
Source | FNA vol. 14. | FNA vol. 14. | ||||
Parent taxa | Convolvulaceae > Ipomoea | Convolvulaceae > Ipomoea | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | Calonyction aculeatum, Convolvulus aculeatus | |||||
Name authority | Linnaeus: Sp. Pl. 1: 161. (1753) | A. Gray in A. Gray et al.: Syn. Fl. N. Amer. ed. 2, 2(1): 434. (1886) | ||||
Web links |