Sairocarpus nuttallianus, Violet Snapdragon
Scientific Name: Sairocarpus nuttallianus
Common Name: Violet Snapdragon
Also Called: Nuttall Snapdragon, Violet Toad's-mouth
Family: Scrophulariaceae, Figwort or Snapdragon Family
Synonyms: (Antirrhinum nuttallianum, Antirrhinum nuttallianum subsp. nuttallianum)
Duration: Annual, rarely biennial; plants glandular hairy.
Size: Up to 12 inches or more.
Growth Form: Forb/herb; stems erect, often clinging to adjacent structure.
Leaves: Green; upper leaves alternate;
Flower Color: Violet, lavender, blue-purple; flowers axillary on pedicels as long or longer than the calyx; corolla with white blotches on lower lip, California species with gold hairs in throat, corolla strongly bilabiate; flowers small but showy, variable in size; flowers solitary; lower flowers subtended by twining branchlets;
Flowering Season: March to May.
Elevation: Up to 4,000 feet in Arizona and California.
Habitat Preferences: Canyons, rocky areas, disturbed areas, dunes in California.
Recorded Range: Baja California
North America & US County Distribution Map for Sairocarpus nuttallianus.
U.S. Weed Information: No information available.
Invasive/Noxious Weed Information: No information available.
Wetland Indicator: No information available.
Threatened/Endangered Information: No information available.
In the Southwestern United States, Arizona there are 3 species of Sairocarpus, in California there are 10 species, Nevada and Utah have 1 species, New Mexico and Texas have 0 species. All data is approximate and subject to taxonomic changes.
Comments: Sairocarpus nuttallianus previously included in the genus Antirrhinum, which also includes the popular garden Common Snapdragon Antirrhinum majus, a native of southern Europe.