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Fourwing Saltbush (Atriplex canescens)
Shrubs Around Las Vegas, Vegetation Around Las Vegas |
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General: Fourwing Saltbush (Atriplex canescens)
is a rounded shrub with long, narrow gray-green, glandular leaves that are densely white-scaly. The leaves are also folded down the center. Plants are male or female (dioecious). Female plants in fruit are easy to recognize because the fruit has four large scales (the wings).
Fourwing Saltbush is a fairly common or dominant
component of shrub communities on alkaline and saline soils around desert playas and
on desert flats in the Upper Sonoran (Mojave
Desert Scrub) life zone. Fourwing Saltbush is also a fairly
common in shrub communities on desert bajadas. |
Male plant with flowers |
Family: Amaranthaceae. Formerly Goosefoot (Chenopodiaceae).
Other Names: Shad-scale, Shadscale
Plant Form: Rounded shrub.
Height: To about 6-feet high.
Bark: Silver gray.
Stems: Erect; many branches, ascending and spreading. Lateral branches may bear spines at the tip.
Leaves: 1/3 to 2 inches long, narrow; white-scaly with bead-like hairs; alternate; groove down the center; somewhat fleshy. Young leaves are covered with scales. Mature leaves have epidermal trichomes (hairlike epidermal outgrowths) that concentrate and exude salts, and on saline sites leaves become covered with a salty covering or scurf. |
Dry seeds (ripe) on a female plant |
Flowers: Staminate flowers are borne in dense, 2- to 3-mm-wide spikes. Pistillate flowers form 5- to 40-cm long panicles. individual flowers small and inconspicuous.
Seeds: 1.5 to 2.5 mm, enclosed in two papery bracts that grow at right angles and form a
somewhat spherical structure around the seed.
Habitat: Dry, poorly to well-drained sandy, gravelly, alkaline, and saline soils on flats and bajadas.
Elevation: below about 8,000 feet.
Distribution: Western U.S.
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Female Fourwing Saltbush plant |
Male Fourwing Saltbush plant with female plant in the background |
Female Fourwing Saltbush plant |
Male Fourwing Saltbush plant |
Plants, often tall, can be small and stunted depending on habitat |
Plants, often tall, can be small and stunted depending on habitat |
Fourwing Saltbush leaves |
Fourwing Saltbush leaves |
Fourwing Saltbush leaves |
Fourwing Saltbush leaves |
Fourwing Saltbush leaves white-scaly with bead-like hairs |
Fourwing Saltbush leaves white-scaly with bead-like hairs |
Fourwing Saltbush leaves tend to be folded along the centerline |
Leaves tend to be folded along the centerline, but not always |
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Female Fourwing Saltbush Plants
Female Fourwing Saltbush plant in fruit |
Female Fourwing Saltbush plant in fruit |
Female Fourwing Saltbush plant in fruit |
Female Fourwing Saltbush plant in fruit |
Female plant, developing fruits |
Female plant, developing fruits |
Female plant, developing fruits |
Female Fourwing Saltbush plant, developing fruits |
Female Fourwing Saltbush plant, developing fruits |
Female Fourwing Saltbush plant, developing fruits |
Unripe seeds on a female Fourwing Saltbush plant |
Female plant, developing fruits |
Dry seeds (ripe) on a female plant |
Notice the four bracts on each seed capsule |
Four-winged fruit, side view |
Four-winged fruit, end view |
Fourwing Saltbush four-winged fruit |
Fourwing Saltbush four-winged fruit |
Fourwing Saltbush four-winged fruit |
Fourwing Saltbush four-winged fruit |
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Male Fourwing Saltbush Plants
Male Fourwing Saltbush plant |
Male Fourwing Saltbush plant |
Male Fourwing Saltbush flowers |
Male Fourwing Saltbush flowers |
Male Fourwing Saltbush plant with flowers |
Male Fourwing Saltbush plant with flowers |
Male Fourwing Saltbush plant with flowers |
Male Fourwing Saltbush plant with flowers |
Male plant, leaves |
Male plant, leaves and staminate flowers |
Male plant, leaves and staminate flowers |
Male plant, leaves and staminate flowers |
Male Fourwing Saltbush plant, staminate flowers |
Male Fourwing Saltbush plant, staminate flowers |
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Note: All distances, elevations, and other facts are approximate. Names generally follow the USDA database.
; Last updated 220810 |
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