Ipomoea batatas |
Ipomoea barbatisepala |
|
---|---|---|
camote, sweet potato, wild sweet potato |
canyon morning-glory |
|
Habit | Perennials, root relatively large, tuberlike. | Annuals. |
Stems | ± trailing, rarely twining. |
twining. |
Leaf | blades cordate, broadly ovate, or 5–7-lobed, 50–100+ × 40–100 mm overall, base cordate, surfaces glabrous or hairy. |
blades orbiculate-ovate, 30–80 × 15–85 mm overall, base cordate, palmatisect, incised nearly to petiole tip, lobes (3–)5–7, ± lanceolate or rhombic, surfaces glabrous, sometimes gland-dotted. |
Peduncles | glabrous or hairy, hairs appressed. |
glabrous. |
Flowers | sepals lanceolate to oblong, 8–15 mm, chartaceous; corolla usually lavender, pink, or purplish, sometimes white, throat usually darker inside, funnelform, (30–)40–70 mm. |
sepals ± lance-linear, 10–12 × 1–2 mm, herbaceous, proximally slightly dilated relative to narrowed distal portion, abaxial surface hispid-pilose; corolla blue, red-purple, or white, funnelform, 16–20(–25) mm, limb 18–20 mm diam. |
Seeds | glabrous. |
|
2n | = 60, 84, 90. |
|
Ipomoea batatas |
Ipomoea barbatisepala |
|
Phenology | Flowering year-round. | Flowering Jul–Dec. |
Habitat | Abandoned plantings, thickets. | Chaparral, desert scrub. |
Elevation | 0–200+ m. (0–700+ ft.) | 800–2500 m. (2600–8200 ft.) |
Distribution |
FL; KS; LA; MS; NC; NY; PA; SC; TX; UT; VA; Mexico; Central America; South America; West Indies [Introduced in North America; introduced also in Asia, Africa]
|
AZ; NM; TX; Mexico
|
Discussion | Reports of Ipomoea batatas from northern parts of the flora area appear to be based on ephemerals. (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 batatas | |
Name authority | (Linnaeus) Lamarck in J. Lamarck and J. Poiret: Tabl. Encycl. 1: 465. (1793) | A. Gray in A. Gray et al.: Syn. Fl. N. Amer. 2(1): 212. (1878) |
Web links |