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Las Vegas Buckwheat (Eriogonum corymbosum)
Shrubs Around Las Vegas, Vegetation Around Las Vegas
Las Vegas Buckwheat (Eriogonum corymbosum)

General: Las Vegas Buckwheat (Eriogonum corymbosum) is an evergreen, low-growing shrub with upright, sparsely leafed stems and flower stalks that stand above the leafy parts of the plant. Yellow flowers form odd clusters on the stalks. The flower stalks persist after the flowers are gone. Leaves densely woolly.

Las Vegas Buckwheat is a rare component of vegetation communities in the Lower Sonoran (Creosote-Bursage Flat) and Upper Sonoran (Mojave Desert Scrub) life zones.


Family: Buckwheat (Polygonaceae).

Las Vegas Buckwheat (Eriogonum corymbosum)

Plant Form: Upright, evergreen shrub with flower stalks and flowerheads that stand above the leafy parts of the plant.

Height: Usually 3-4 feet tall; 5-feet across.

Bark: Reddish to silvery.

Stems: Upright, thin; with many small leaves.

Leaves: Slightly oval, whitish below. Leaves and flowering branches densely tomentose.

Flowers: Inflorescence: Cluster of flowers in a head on a stalk above the leafy parts of the plant. Flowers: tiny, numerous, yellow. Flowers August to November.

Las Vegas Buckwheat (Eriogonum corymbosum)

Seeds: Achene (like a tiny sunflower seed).

Habitat: Dry, gypsum soils.

Elevation: 3,000 to about 7,500 feet

Distribution: Clark County, Nevada.

Comments: The buckwheats are a very diverse family with some 50 genera and 1,100 species ranging from trees to annual forbs. Several species occur around Las Vegas. Fortunately, some of these species, including Las Vegas Buckwheat, are easy to recognize (at least to genus).

Las Vegas Buckwheat (Eriogonum corymbosum)
Old and older flowing stalks
Las Vegas Buckwheat (Eriogonum corymbosum)
Las Vegas Buckwheat (Eriogonum corymbosum)
Lower leaf surface
Las Vegas Buckwheat (Eriogonum corymbosum)
Upper leaf surface

Note: All distances, elevations, and other facts are approximate. Names generally follow the USDA database.
copyright; Last updated 141119

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