Flora of North America species comparison

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Ipomoea nil

ivy morning glory, Japanese morning glory, whiteedge morning-glory
Habit Annuals.
Stems

twining.
Leaf

blades cordate, ± orbiculate, ovate, or 3-lobed, 50–150 × 20–140 mm overall, base cordate, surfaces sparsely hirsute to sericeous.
Peduncles

hairy, hairs retrorse.
Flowers

sepals lance-linear, 15–25(–30) mm, herbaceous, proximally narrowly ovate, densely hispid, gradually narrowed to ± straight, hispid to strigose or glabrate distal portion longer than ovate base;

corolla usually blue to purplish, sometimes red or white, tube white or yellow inside, funnelform, (20–)30–60+ mm.
2n

= 30.

Ipomoea nil
Phenology Flowering Jul–Dec.
Habitat Abandoned plantings, fields, thickets.
Elevation 10–2200 m. (0–7200 ft.)
Distribution
from FNA
AL; KY; LA; MD; MS; NC; OK; SC; TN; TX; Mexico; Central America; South America; West Indies [Introduced in North America; introduced also in Asia]
[WildflowerSearch map]
[BONAP county map]
Discussion

Reports of Ipomoea nil from California are based on misidentified material of I. hederacea.

(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. hederacea, I. hederifolia, I. imperati, I. indica, I. lacunosa, I. leptophylla, I. lindheimeri, I. longifolia, I. macrorhiza, I. microdactyla, I. muricata, 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 Convolvulus nil, Pharbitis hederacea, P. nil
Name authority (Linnaeus) Roth: Catal. Bot. 1: 36. (1797)
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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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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