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bayhops, beach morning glory, goat's foot, man-of-the-earth

cardinal climber, spiderleaf

Habit Perennials, root tuberlike.
Stems

usually trailing, sometimes twining near tips.

Leaf

blades orbiculate, palmatisect, lobes 5–9, lanceolate to linear, 10–70 × 0.5–6.5 mm, surfaces glabrous.

Peduncles

glabrous.

Flowers

nocturnal;

sepals chartaceous or coriaceous, outers oblong-lanceolate, 5–12 × 2–3 mm, muricate along midrib or ± smooth, margins scarious, apex mucronate, inners obovate-acuminate, 8–9 × 3–4 mm, smooth, margins scarious;

corolla white, limb sometimes purple or pale rose-red, funnelform or salverform, 35–100 mm, limb 30–36 mm diam.

Ipomoea pes-caprae

Ipomoea tenuiloba

Distribution
from USDA
tropical regions; original distribution unknown; now world-wide in subtropical and tropical climates
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[BONAP county map]
from USDA
sw United States; sc United States; n Mexico
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[BONAP county map]
Discussion

Subspecies 2 (1 in the flora).

Subspecies pes-caprae in known from coastal and island shores around and in the Indian Ocean.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Varieties 2 (2 in the flora).

The two varieties of Ipomoea tenuiloba are comparatively easy to distinguish; there are intergrades (G. Yatskievych and C. T. Mason 1984), some approaching I. plummerae.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Parent taxa Convolvulaceae > Ipomoea 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. nil, I. pandurata, 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. plummerae, I. pubescens, I. purpurea, I. quamoclit, I. rupicola, I. sagittata, I. setosa, I. shumardiana, I. sloteri, I. tenuissima, I. ternifolia, I. thurberi, I. tricolor, I. triloba, I. violacea, I. wrightii, I. ×leucantha
Subordinate taxa
I. pes-caprae subsp. brasiliensis
I. tenuiloba var. lemmonii, I. tenuiloba var. tenuiloba
Key
1. Leaf blade lobes 5–7, each to 1.2 mm wide; corollas usually white, limb sometimes pink to lavender, salverform, 65–100 mm; filaments: free portions 8–11 mm.
var. tenuiloba
1. Leaf blade lobes 7–9, each to 6.5 mm wide; corollas: tube white, limb purple to red, fun­nelform, 35–65 mm; filaments: free portions 14–19 mm.
var. lemmonii
Synonyms Convolvulus pes-caprae
Name authority (Linnaeus) R. Brown: Observ. Congo, 58. (1818) Torrey in W. H. Emory: Rep. U.S. Mex. Bound. 2(1): 148. (1859)
Source FNA vol. 14. Treatment author: Daniel F. Austin†. FNA vol. 14. Treatment author: Daniel F. Austin†.
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