Flora of North America species comparison

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Ipomoea cairica

Ipomoea plummerae

cairo morning glory, mile-a-minute vine

Huachuca morningglory, Huachuca Mountain morning-glory, Plummer's morning glory
Habit Perennials.
Stems

usually twining, sometimes trailing.

usually ± trailing, sometimes ascending, erect, or twining near tips.
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.

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;

pedicels straight, 10–25 mm.

glabrous.
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.

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.
Vperennials

, root globose, tuberlike.
2n

= 30.

Ipomoea cairica

Ipomoea plummerae
Phenology Flowering Mar–Oct.
Habitat Abandoned plantings, dis­turbed sites.
Elevation -20–200 m. (-100–700 ft.)
Distribution
from FNA
AL; CA; FL; LA; Africa [Introduced in North America; introduced also in Mexico (Oaxaca), West Indies, South America]
[WildflowerSearch map]
[BONAP county map]
from USDA
sw United States; Mexico; South America
[WildflowerSearch map]
[BONAP county map]
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
1. Leaf blades ± orbiculate, palmatisect, lobes (3–)5(–7+).
var. plummerae
1. Leaf blades ± cuneate-obovate, proximally cune­ate, distally ± incised, 3–5(–7+)-toothed.
var. cuneifolia
Source FNA vol. 14. FNA vol. 14.
Parent taxa Convolvulaceae > Ipomoea Convolvulaceae > Ipomoea
Sibling taxa
I. alba, I. amnicola, I. aquatica, I. asarifolia, I. barbatisepala, I. batatas, I. capillacea, I. cardiophylla, I. carnea, I. coccinea, I. cordatotriloba, I. costellata, I. cristulata, I. dumetorum, I. hederacea, I. hederifolia, I. imperati, I. indica, I. lacunosa, I. leptophylla, I. lindheimeri, I. longifolia, I. macrorhiza, I. microdactyla, I. muricata, I. nil, I. pandurata, I. pes-caprae, I. plummerae, I. pubescens, I. purpurea, I. quamoclit, I. rupicola, I. sagittata, I. setosa, I. shumardiana, I. sloteri, I. tenuiloba, I. tenuissima, I. ternifolia, I. thurberi, I. tricolor, I. triloba, I. violacea, I. wrightii, I. ×leucantha
I. alba, I. amnicola, I. aquatica, I. asarifolia, I. barbatisepala, I. batatas, I. cairica, I. capillacea, I. cardiophylla, I. carnea, I. coccinea, I. cordatotriloba, I. costellata, I. cristulata, I. dumetorum, I. hederacea, I. hederifolia, I. imperati, I. indica, I. lacunosa, I. leptophylla, I. lindheimeri, I. longifolia, I. macrorhiza, I. microdactyla, I. muricata, I. nil, I. pandurata, I. pes-caprae, I. pubescens, I. purpurea, I. quamoclit, I. rupicola, I. sagittata, I. setosa, I. shumardiana, I. sloteri, I. tenuiloba, I. tenuissima, I. ternifolia, I. thurberi, I. tricolor, I. triloba, I. violacea, I. wrightii, I. ×leucantha
Subordinate taxa
I. plummerae var. cuneifolia, I. plummerae var. plummerae
Synonyms Convolvulus cairicus
Name authority (Linnaeus) Sweet: Hort. Brit., 287. (1826) A. Gray in A. Gray et al.: Syn. Fl. N. Amer. ed. 2, 2(1): 434. (1886)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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