Carnegiea gigantea, Giant Saguaro

Southwest Desert Flora

Home to the plants of the Sonoran, Chihuahuan and Mojave Deserts

Cirsium ochrocentrum, Yellowspine Thistle

Ipomoea costellata, Crestrib Morning-glory

Ipomoea costellata, Crestrib Morning-glory, Southwest Desert Flora Ipomoea costellata, Crestrib Morning-glory, Southwest Desert Flora Ipomoea costellata, Crestrib Morning-glory, Southwest Desert Flora Ipomoea costellata, Crestrib Morning-glory, Southwest Desert FloraIpomoea costellata, Crestrib Morning-glory, Southwest Desert Flora

Scientific Name: Ipomoea costellata
Common Name: Crestrib Morning-glory
Also Called: Crestrib Morningglory, Morning-glory; (Spanish: Trompillo)
Family: Convolvulaceae, Morning Glory Family
Synonyms: ()
Status: Native
Duration: Annual
Size: Unknown, photographed plants about a foot or more while climbing on neighboring plants.
Growth Form: Forb/herb; vine; twining, erect stems soon begin climbing on nearby shrubs.
Leaves: Green; palmately lobed, typically 3 lobes variable, linear, lanceolate, oblanceolate or other.
Flower Color: Pale pink to lavender, flowers solitary on long pedicels, appearing glabrous, fruit a capsule.
Flowering Season: July to October.
Elevation: 3,500 to 6,000 feet.

Habitat Preferences: Dry grassy plains and mesas to pine forests.

Recorded Range: A relatively rare plant in the United States Ipomoea costellata is found in Arizona, New Mexico and Texas. It is also found in much of Mexico. In Arizona it is found throughout much of the state.

North America & US County Distribution Map for Ipomoea costellata.

U.S. Weed Information: No information available.

Invasive/Noxious Weed Information: The genus Ipomoea is listed as a Noxious Weed by Arizona and Arkansas. Exceptions in Arizona are:
Ipomoea carnea, Mexican bush morning glory,
Ipomoea triloba, Three-lobed Morning Glory, and
Ipomoea arborescens, Morning Glory Tree the federal government and/or a State.
Plants included here are invasive or noxious.

Wetland Indicator: No information available.
Threatened/Endangered Information: No information available.

Genus Information: 67 species more or less in Ipomoea throughout most of the United States and eastern Canada. 14 species in Arizona.

Comments: Not much information exists for this species. As with other Arizona Morning-glories, perhaps Crestrib Morning-glory should be removed from the states noxious weed list.

Also see in Southwest Desert Flora; Canyon Morning-glory, Ipomoea barbatisepala, Purple Morning-glory, Ipomoea capillacea, Trans-Pecos morning-glory, Ipomoea cristulata, Ivyleaf Morning-glory, Ipomoea hederacea, Pinkthroat Morning-glory, Ipomoea longifolia, and Tripleleaf Morning-glory, Ipomoea ternifolia.

Date Profile Completed: 3/31/2015, rev. 07/22/2015, updated format 10/11/2017
U.S. Dept. of Agriculture, Natural Resources Conservation Service on-line database – ITIS search
Arizona Flora, Kearney, Thomas H., Peebles, Robert H., 1960, University of California Press, Berkley and Los Angeles, California.
SEINet for synonyms, scientific names and recorded geographic locations,