About Acmispon rigidus (Benth.) Brouillet
Taxonomic Identity
Acmispon rigidus (Benth.) Brouillet is a perennial herbaceous plant that reaches 0.5 to 1.5 meters in height.
Leaf Morphology
Its leaves are irregularly pinnate or palmate, with three or five leaflets that measure 5 to 17 millimeters long.
Flower Coloration
Its flowers are yellow to cream when young, and turn red or purple as they age.
General Distribution
This species is distributed across the southwestern United States, including Arizona, California, Nevada, and Utah, as well as northwestern Mexico.
Desert Range
It grows in the Mojave Desert extending north to Inyo County, California, and the Sonoran Desert extending south to the Baja California Peninsula.
Habitat and Elevation
It inhabits dry slopes, desert dry washes, Joshua tree woodland, and pinyon-juniper woodland communities, all at elevations below 6,000 feet above sea level.