Ditaxis neomexicana, New Mexico Silverbush
Scientific Name: Ditaxis neomexicana
Common Name: New Mexico Silverbush
Also Called: Common Silverbush, New Mexico Ditaxis
Family: Euphorbiaceae, Spurge or Euphorbia Family
Synonyms: (Argythamnia neomexicana, Ditaxis simulans)
Duration: Annual or short lived Perennial
Size: Up to 1 foot or more.
Growth Form: Forb/herb; plants mostly erect, many branches, densely pubescent with stiff short hairs, hairs appressed along the surface, they are silver all over.
Leaves: Green, alternate, leaf shape variable, lanceolate, elliptical, oblanceolate, tips acute; margins faintly serrulate or with small teeth or entire.
Flower Color: White, flowers both pistillate and staminate, flowers throughout the year, inflorescence a raceme from stem axils; fruits are a globose or globular capsule.
Flowering Season: February to September in Arizona, March to December in California and March to July in Texas.
Elevation: 1,000 to 4,000 feet in Arizona, below 3,000 feet in California.
Habitat Preferences: Sandy and rocky slopes, along washes, creosote-bush scrub plant communities.
Recorded Range: New Mexico Silverbush is found in western North America in AZ, CA, NM, NV and TX and south to Sonora and Baja California.
North America & US County Distribution Map for Ditaxis neomexicana (as Argythamnia neomexicana).
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 has 8 species of genus, California has 5 species, Nevada has 3 species, New Mexico has 4 species, Texas has 7 species, Utah has 1 species. All data is approximate and subject to taxonomic changes.
Comments: New Mexico Silverbush is a member of the Euphorbiaceae family of plants found in California and Arizona. This species is similar to Narrowleaf Silverbush. As with Narrowleaf Silverbush, this species seem to thrive in dry rocky soils, rocky places and canyons. The species is often described as Argythamnia neomexicana in dated and recent literature.
In Southwest Desert Flora also see a closely related species called Narrowleaf Silverbush, Ditaxis lanceolata.