Carnegiea gigantea, Giant Saguaro

Southwest Desert Flora

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

Cirsium ochrocentrum, Yellowspine Thistle

Convolvulus equitans, Texas Bindweed

Convolvulus equitans, Texas Bindweed, Southwest Desert Flora Convolvulus equitans, Texas Bindweed, Southwest Desert Flora Convolvulus equitans, Texas Bindweed, Southwest Desert Flora Convolvulus equitans, Texas Bindweed, Southwest Desert FloraConvolvulus equitans, Texas Bindweed, Southwest Desert Flora
Scientific Name: Convolvulus equitans
Common Name: Texas Bindweed
Also Called: Gray Bindweed and Hoary Bindweed
Family: Convolvulaceae, Morning Glory Family
Synonyms: (Convolvulus hermannioides, Convolvulus incanus, Convolvulus simulans)
Status: Native
Duration: Annual or perennial.
Size: 1 foot or more, trailing to 2 or more feet.
Growth Form: Forb/herb, vine; grayish-green, trailing, decumbent or prostrate, pubescence, does not form long aggressive mats.
Leaves: Green; variable, 1 to 3 inches long, alternate, triangular or arrow-shaped, narrowly linear, leaves with backward-pointed basal lobes (hastate), leaves with short sharp hairs and short petioles.
Flower Color: Pinkish, bluish or pinkish-purple; flower small about 1 inch, corolla bell shaped tipped with 5 sharp points, corolla with 10 sharp folds, solitary flowers, calyx with overlapping sepals, fruit is a capsule with 1 or more seeds.
Flowering Season: April or May to October.
Elevation: 3,000 to 6,000 feet.
Habitat Preferences: Upper desert areas in chaparral and pinyon-juniper communities; sandy or rocky well drained soils; roadsides, dry rocky slopes, mesas and disturbed areas.
Recorded Range: In the United States Texas Bindweed is found in the western and southern states and in Arkansas and Alabama; AR, AZ, CA, CO, KS, NM, OK, TX and UT. It also occurs in Baja California and in north and south Mexico. In Arizona, Texas Bindweed is found throughout most of the state with few records in the southwest corner.

U.S. Weed Information: No information available.
Invasive/Noxious Weed Information: No information available.
Wetland Indicator: In North America Convolvulus equitans is included on the USDA 2012 National Wetland Plant List as a: Facultative Upland, (FACU) usually occur in non-wetlands, but may occur in wetlands species.
Threatened/Endangered Information: No information available.

Genus Information: After numerous re-classifications, 9 species in Convolvulus are found in the United States and Canada. 2 species occur in Arizona.

Comments: Texas Bindweed is a native attractive small-flowered morning-glory. Unlike other morning-glories of the genus Convolvulus this species is non-aggressive not out-competing other native species.

Flowers are pollinated by insects who also feed on the leaves. In Texas, White-tailed deer eat the plant and Bobwhite quail feed on the seeds.

Also see Field Bindweed, Convolvulus arvensis.

Date Profile Completed: 3/30/2015, rev. 07/22/2015
References:
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 as Convolvulus incanus.
Austin, Daniel F. 1998. J. Ariz. - Nev. Acad. Sci. Convolvulaceae 30(2): 61
Native Plant Information Network, NPIN (2013). Published on the Internet http://www.wildflower.org/plants/ [accessed: 3/30/2015]. Lady Bird Johnson Wildflower Center at The University of Texas, Austin, TX.
http://www.wildflower.org/plants/result.php?id_plant=COEQ
Yavapai County Native & Naturalized Plants, Convolvulus equitans - Texas bindweed. (accessed: 03/30/2015).
http://cals.arizona.edu/yavapaiplants/SpeciesDetailForb.php?genus=Convolvulus&species=equitans
1993, The Jepson Manual, as Convolvulus simulans, Citation: http://ucjeps.berkeley.edu/interchange/I_treat_indexes.html (accessed 03/30/2015)
Texas A&M AgriLife Research & Extension Center at Uvalde: (accessed: 03/30/2015)
http://uvalde.tamu.edu/herbarium/trees-shrubs-common-name-index/texas-bindweed/
SEINet for synonyms, scientific names and recorded geographic locations, http://swbiodiversity.org/seinet/.
USDA – Wetland species information:
Arid West - FACU
Atlantic and Gulf Coastal Plain - FACU
Eastern Mountains and Piedmont - FACU
Great Plains - FACU
Midwest - FACU
Western Mountains Valleys, and Coast - FACU Thumbnail code:
Texas Bindweed, Convolvulus equitans