Carnegiea gigantea, Giant Saguaro

Southwest Desert Flora

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

Cirsium ochrocentrum, Yellowspine Thistle

Loeseliastrum schottii, Schott's Calico

Loeseliastrum schottii, Schott's CalicoLoeseliastrum schottii, Schott's CalicoLoeseliastrum schottii, Schott's CalicoLoeseliastrum schottii, Schott's Calico

Scientific Name: Loeseliastrum schottii
Common Name: Schott's Calico
Also Called:
Family: Polemoniaceae, Jacob’s Ladder or Phlox Family
Synonyms: (Langloisia flaviflora, Langloisia schottii, Navarretia schottii)
Status: Native
Duration: Annual
Size: Up to 12 inches tall more or less.
Growth Form: Forb/herb; a small hairy plant with stems covered in pubescence, bristly.
Leaves: Green; alternate, leaves up to one inch long, leaves oblong, dentate to slightly lobed leaf margins with 1bristle, distal leaf margins ciliate.
Flower Color: White to pink; corolla deep lavender, maroon-streaked as base, bilabiate, floral tube about ¼ inch long, upper lip has 3 lobes, lower lip 2 lobes, stamens unequal, curved upward, anthers included or exserted, calyx short with pilose and glandular, fruit a capsule.
Flowering Season: March to May; March to June in California.
Elevation: Up to 2,000 feet.

Habitat Preferences: Sandy desert washes, flats, slopes and sandy to gravelly soils.

Recorded Range: Mexico Schott's Calico is found in the southwestern United States in AZ, CA, NV, TX, UT, Apparently absent from New Mexico. This species is also found in Baja California and northwest Mexico. In Arizona, Schott's Calico is found in the western ½ of the state.

North America & US County Distribution Map for Loeseliastrum schottii.

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.

Genus Information: USDA lists 3 Species and 3 accepted taxa overall for Loeseliastrum in the southwestern United States.

The Plant List also includes 3 accepted species names for the genus Loeseliastrum.

Comments: Schott's Calico is so named because it has a distinctive "calico" look about it. It is a Mojave Desert Species moderately common in its native habitats.

Date Profile Completed: 05/27/2016, updated format 09/30/2017
U.S. Dept. of Agriculture, Natural Resources Conservation Service on-line database and USGS ITIS search (accessed 05/27/2016).
Arizona Flora, Kearney, Thomas H., Peebles, Robert H., 1960, University of California Press, Berkley and Los Angeles, California, as Langloisia schotti.
Dieter H. Wilken and J. Mark Porter, 2005, Vascular Plants of Arizona: Polemoniaceae. CANOTIA 1: 1-37.
The Plant List (2013). Version 1.1. Published on the Internet; (accessed 05/27/2016).
1993, The Jepson Manual, Citation: (accessed 05/27/2016),5852,5854
SEINet for synonyms, scientific names, recorded geographic locations and general information 05/27/2016).