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star-glory, trans-Pecos morning-glory

Habit Annuals.
Stems

twining.

Leaf

blades usually (3–)5–7-lobed, middle lobe narrowly ± rhombic, sometimes proximal blades cordate to ovate, not lobed, 15–100 × 10–70 mm, base cordate to ± truncate, basal lobes rounded to pointed, margins ± dentate, surfaces glabrous or abaxial pilose.

Peduncles

glabrous.

Flowers

diurnal, sepals chartaceous to membranous, outers oblong, 3–3.5 mm, apex obtuse, rounded, or ± truncate, each with ± terminal corniform appendage 3–5 mm, glabrous, inners oblong, 4–5.7 mm, apex obtuse to truncate, each with ± terminal corniform appendage 2.5–3.5 mm;

corolla red or red-orange, salverform, 18–26 mm, limb 10–15 mm diam. 2n = 30.

Ipomoea cristulata

Phenology Flowering May–Nov.
Habitat Chaparral, grasslands, oak woodlands, ponderosa pine zones.
Elevation 700–2800 m. (2300–9200 ft.)
Distribution
from FNA
AZ; IA; KS; NM; TX; Mexico
[WildflowerSearch map]
[BONAP county map]
Discussion

Reports of Ipomoea cristulata from Iowa and Kansas may be based on cultivated plants; the report for Minnesota probably resulted from typographic error: MN for NM; the report for South Carolina was based on a specimen of I. coccinea.

(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. 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 Quamoclit gracilis
Name authority Hallier f.: Meded. Rijks-Herb. 46: 20. (1922)
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