Ipomoea costellata, Crestrib Morning-glory
Scientific Name: Ipomoea costellata
Common Name: Crestrib Morning-glory
Also Called: Crestrib Morningglory and Morning-glory; (Spanish: Trompillo), Ipomoea costellata.
Family: Convolvulaceae, Morning Glory Family
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.
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.
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; 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.