Carnegiea gigantea, Giant Saguaro

Southwest Desert Flora

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

Cirsium ochrocentrum, Yellowspine Thistle

Cistanthe ambigua, Desert Pussypaws

Cistanthe ambigua, Desert PussypawsCistanthe ambigua, Desert PussypawsCistanthe ambigua, Desert PussypawsCistanthe ambigua, Desert PussypawsCistanthe ambigua, Desert PussypawsCistanthe ambigua, Desert Pussypaws


Scientific Name: Cistanthe ambigua
Common Name: Desert Pussypaws
Also Called: Dead-man's Fingers, Desert Pot-herb
Family: Portulacaceae, Purslane Family;
The genus Cistanthe is moving to the [1] Montiaceae Family.
Synonyms: (Calandrinia ambigua )
Status: Native
Duration: Annual
Size: Up to 7 inches more or less.
Growth Form: Forb/herb; roots fleshy; stems spreading to erect; glabrous.
Leaves: Green; bright green; fleshy, leaves cauline and do not for a basal rosette, leaves varible from linear to spoon-shaped (spathulate), terete, not glaucous.
Flower Color: White; flowering stem is like a compound raceme (paniclate), flowers on short pedicels in umbel-like clusters, flowers usually do not extend the length of the leaves; sepals ovate only slightly unequal, fruit an ovoid capsule, seeds are small and black.
Flowering Season: February to March in Arizona; California January to April or November to February.
Elevation: Up to 1,500 feet or more (2,500 feet).
Habitat Preferences: Sandy washes and slopes, silty soils, desert shrub communities.
Recorded Range: Cistanthe ambigua is very rare in the United States where it is found only in southeast California and in extreme southwest Arizona in Yuma county. This species is also in northwest Mexico.

North America & US County Distribution Map for Cistanthe ambigua.

U.S. Weed Information: No information available.
Invasive/Noxious Weed Information: No information available.
Wetland Indicator: In North America Cistanthe ambigua has the following wetland designations: Arid West, FAC; Western Mountains, Valleys, and Coast, FAC.
FAC = Facultative, occur in wetlands and non-wetlands
Threatened/Endangered Information: No information available.

Genus Information: In North America the genus Cistanthe is found in the far western United States and Canada. The USDA Plants.gov classification shows 11 species with 17 accepted taxa overall. World-wide, The Plant List documents 38 accepted species names for Cistanthe with 56 taxa.
In Arizona there are 3 species of Cistanthe, in California there are 10 species, Nevada has 5 species, New Mexico has 1 species, Texas has 0 species, and Utah has 4 species. All data is approximate and subject to taxonomic changes.

The genus Cistanthe is moving to the [1] Montiaceae Family.

Comments: Desert Pussypaws is mostly a Mojave Desert Species perferring hot sandy, gravelly areas and desert shrub communities. The plants in the photo above were taken March 08, 2016 off of SR 195, Box Canyon Road, east of Mecca, Riverside, California.

[1] (The family Montiaceae was newly adopted in the APG III system and includes members of the Caryophyllales formerly listed in Portulacaceae.)

Date Profile Completed: 06/13/2016
References:
U.S. Dept. of Agriculture, Natural Resources Conservation Service on-line database and USGS ITIS search - (accessed 06/13/2016)
http://plants.usda.gov/java/ClassificationServlet?source=profile&symbol=CISTA&display=31
Arizona Flora, Kearney, Thomas H., Peebles, Robert H., 1960, University of California Press, Berkley and Los Angeles, California, as Calandrinia amibua.
Walter A. Kelley, John M. Miller & John G. Packer, FNA | Family List | FNA Vol. 4 Page 459, 461, 462 | Portulacaceae | Cistanthe 1. Cistanthe ambigua (S. Watson) Carolin ex Hershkovitz, Phytologia. 68: 269. 1990. Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 16+ vols. New York and Oxford. (accessed 06/13/2016).
The Plant List (2013). Version 1.1. Published on the Internet; http://www.theplantlist.org/ (accessed 06/13/2016).
http://www.theplantlist.org/1.1/browse/A/Portulacaceae/Cistanthe/#statistics
1993, The Jepson Manual, Citation: http://ucjeps.berkeley.edu/interchange/I_treat_indexes.html (accessed 06/13/2016)
http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?6318,6319,6320
SEINet for synonyms, scientific names, recorded geographic locations and general information
http://swbiodiversity.org/seinet/(accessed 06/13/2016).
Wikipedia contributors, 'Montiaceae', Wikipedia, The Free Encyclopedia, 8 June 2016, 05:22 UTC, [accessed 13 June 2016]