Learn More Details About This Plant

Plant Data

Names and Taxonomy

  • Common Names: Spiny Saltbush, Spinescale Saltbush, Mojave Saltbush
  • Synonyms: Atriplex spinifera J.F. Macbr.
  • Family: Chenopodiaceae
  • Genus Information: AZ: 25, CA: 51, NV: 27, NM: 21, UT: 35

Habit and Size

  • Duration: Perennial
  • Type: Shrub
  • Habit: Erect / Sprawling
  • Shape: Irregular
  • Size: 3-6 ft x 4-7 ft
  • Stem: Stiff, highly branched, tangled, and prominently tipped with sharp, woody spiny points; grayish-white texture

Leaves

  • Color: grayish-white, scurfy
  • Shape: Oval to deltoid
  • Edge: Entire
  • Ligule-Petiole:
  • Arrangement: Alternate
  • Leaf Retention: Evergreen to drought-deciduous

Flowers and Fruit

  • Sex: Dioecious
  • Flower Color: Greenish to yellowish-brown
  • Flower Size: Small, inconspicuous
  • Number of Petals: Absent (enclosed in scaly bracts)
  • Bloom: March–May
  • Fruit: Utricle enclosed in specialized scaly fruiting bracts that expand into spherical shapes

Habitat and Growing Conditions

  • Water Use: Low
  • Light: Full Sun
  • Soil: Alkaline, saline, clay, or silty loam
  • Habitat: Alkali sinks, salt flats, lake plains, and alluvial flats

Distribution

  • Distribution: Endemic to California (Central Valley, Mojave Desert, and adjacent inner South Coast Ranges)
  • Seen: Mojave Desert, California
  • Elevation: 1,476–8,202 ft (450–2,500 m)

Gallery

Atriplex spinifera

A look at the rigid, defensive spinescale architecture of the Spiny Saltbush adapted to alkaline lake plains.