Flora of North America species comparison

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Ipomoea hederacea

ivy morning-glory, ivy-leaf morning-glory
Habit Annuals.
Stems

twining.
Leaf

blades ± orbiculate, ovate, or 3–5-lobed, not palmatisect, 50–120 × 50–120 mm, base cordate, basal lobes ± pointed, surfaces hairy.
Peduncles

hairy, hairs retrorse.
Flowers

sepals ± lanceolate, 12–24 mm, herbaceous, proximally ovate, abruptly narrowed to ± curved or spreading distal portion notably longer than dilated base, abaxial surface, at least proximal 1/3, hirsute to hispid;

corolla light blue, tube white or pale yellow inside, funnelform, 20–37(–45) mm, limb 17–35 mm diam. 2n = 30.

Ipomoea hederacea
Phenology Flowering May–Nov.
Habitat Abandoned plantings, dis­turbed sites, gravel bars, roadsides.
Elevation 10–1900 m. (0–6200 ft.)
Distribution
from FNA
AL; AR; AZ; CA; CT; DC; DE; FL; GA; IA; IL; IN; KS; KY; LA; MA; MD; ME; MI; MN; MO; MS; NC; ND; NE; NH; NJ; NM; NY; OH; OK; PA; SC; SD; TN; TX; VA; WI; WV; ON; Mexico; South America; intro­duced in Europe; Africa; Pacific Islands (New Zealand); Australia
[WildflowerSearch map]
[BONAP county map]
Discussion

Leaf shape in Ipomoea hederacea, and, perhaps, in other ipomoeas, is under simple genetic control and is useless for recognition of varieties (C. D. Elmore 1986).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 14.
Parent taxa Convolvulaceae > Ipomoea
Sibling taxa
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. 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
Synonyms I. hederacea var. integriuscula, Pharbitis barbigera
Name authority Jacquin: Collecteana 1: 124, plate 36. (1787): Icon. Pl. Rar., plate 36. (1787)
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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