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moon flower, tropical white morning-glory

bigroot morningglory, man-of-the-earth, wild potato vine, wild sweet potato, wild sweet potato morning-glory

Habit Perennials. Perennials, root relatively large.
Stems

twining, usually prickly, sometimes rooting at nodes.

usually twining, sometimes trailing.

Leaf

blades broadly ovate to triangular or 3–5-lobed, 50–150 × 50–150 mm, base cordate, surfaces usually glabrous, rarely hairy.

blades cordate, cordate-ovate, or pandurate, 30–100 × 20–90 mm, base cordate, surfaces glabrous or abaxial hairy.

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 elliptic-oblong, 12–22 mm, outers sometimes shorter than inners, coriaceous, surfaces glabrous;

corolla white, throat lavender or purple-red inside, funnelform, 50–80 mm.

Fruits

20–30 mm.

2n

= 30.

= 30.

Ipomoea alba

Ipomoea pandurata

Phenology Flowering Sep–May. Flowering Jun–Sep.
Habitat Forest margins, swamps, moist sites. Abandoned plantings, fields, prairies.
Elevation 0–100 m. (0–300 ft.) 0–600 m. (0–2000 ft.)
Distribution
from FNA
FL; LA; SC; TX; Mexico; Central America; South America; West Indies [Introduced in North America; introduced also in Asia]
[WildflowerSearch map]
[BONAP county map]
from FNA
AL; AR; CT; DC; DE; FL; GA; IA; IL; IN; KS; KY; LA; MA; MD; MI; MO; MS; NC; NE; NJ; NY; OH; OK; PA; SC; TN; TX; VA; WV; ON
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 14. FNA vol. 14.
Parent taxa Convolvulaceae > Ipomoea Convolvulaceae > Ipomoea
Sibling taxa
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. 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. 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 Calonyction aculeatum, Convolvulus aculeatus Convolvulus panduratus
Name authority Linnaeus: Sp. Pl. 1: 161. (1753) (Linnaeus) G. Meyer: Prim. Fl. Esseq., 100. (1818)
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