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moon flower, tropical white morning-glory

Habit Perennials.

twining, usually prickly, sometimes rooting at nodes.


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





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.


20–30 mm.


= 30.

Ipomoea alba

Phenology Flowering Sep–May.
Habitat Forest margins, swamps, moist sites.
Elevation 0–100 m. (0–300 ft.)
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]
Source FNA vol. 14.
Parent taxa 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
Synonyms Calonyction aculeatum, Convolvulus aculeatus
Name authority Linnaeus: Sp. Pl. 1: 161. (1753)
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