Carnegiea gigantea, Giant Saguaro

Southwest Desert Flora

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

Cirsium ochrocentrum, Yellowspine Thistle

Layia glandulosa, Whitedaisy Tidytips

Layia glandulosa, Whitedaisy Tidytips, Southwest Desert Flora Layia glandulosa, Whitedaisy Tidytips, Southwest Desert Flora Layia glandulosa, Whitedaisy Tidytips, Southwest Desert Flora    Layia glandulosa, Whitedaisy Tidytips, Southwest Desert Flora

Scientific Name: Layia glandulosa
Common Name: Whitedaisy Tidytips
Also Called: Tidy Tips, White Tidytips
Family: Asteraceae, Sunflower Family
Synonyms: (Layia glandulosa ssp. lutea, Layia glandulosa ssp. glandulosa)
Status: Native
Duration: Annual
Size: 18 inches or more.
Growth Form: Forb/herb; small flower, low growing branched, pubescent with soft hairs on stems and leaves, some with spicy scent.
Leaves: Green leaves thin; linear to lanceolate; margins toothed or lobed; hairy often looking like cob-webs.
Flower Color: Showy pure white 1.5 inch flower heads with yellow disk flowers center; ray flowers 3 to 14; disk flowers numerous; up to 20 or more flower heads when ideal conditions exist, white ray flowers have two notches on tip of the strap or ligule; fruit is an achene.
Flowering Season: March to June.
Elevation: Up to 5,000 feet.

Habitat Preferences: Upper deserts, and upland habitats, grasslands, dry areas, open areas and clearings, gravelly or sandy soil.

Recorded Range: A southwestern species found in AZ, CA, ID, NM, NV, OR, UT and WA. It is also found in Baja California and British Columbia. Occurs throughout most of Arizona but few records from Yuma County.

North America & US County Distribution Map for Layia glandulosa.

U.S. Weed Information: No data available.
Invasive/Noxious Weed Information: No data available.
Wetland Indicator: No data available.
Threatened/Endangered Information: No data available.

Genus Information: 14 species in Layia, all in southwestern United States. 2 species are native to Arizona.

Comments: Whitedaisy Tidytips, although found in a variety of habitats is not typically a common or abundant species. This specimen was observed growing in a semi-shaded area along a gravel bar in Rock Creek in the Tonto National Forest. The genus Layia truly belong to California where all 14 species of Layia can be found and amazingly, 12 of those species are found only in California.

Superficially resembles White Woolly Daisy, Eriophyllum lanosum and Mojave Desertstar, Monoptilon bellioides.

California Native Americans ground the seeds into a flour for use in a mush. View species account from Native American Ethnobotany, University of Michigan, Dearborn.

Date Profile Completed: 8/6/2012; Updated, 07/26/2015, updated format 10/10/2017
U.S. Dept. of Agriculture, Natural Resources Conservation Service on-line database
Arizona Flora, Kearney, Thomas H., Peebles, Robert H., 1960, University of California Press, Berkley and Los Angeles
The Jepson Manual, Citation: Mon Aug 6 12:45:35 2012
Bruce G. Baldwin, Susan J. Bainbridge, John L. Strother, FNA | Family List | FNA Vol. 21 | Asteraceae | Layia, Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 16+ vols. New York and Oxford. (accessed 08/06/2012)
SEINet for synonyms, scientific names and recorded geographic locations,