Plant Image
Plant - summer
Buckboard Rd
John Kava
Yavapai County Native & Naturalized Plants

Scleropogon brevifolius - burrograss

Synonyms: Scleropogon longisetus

Plant Form:Grass

Family: Poaceae

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Plant image
Female plant

Buckboard Rd John Kava
Plant image
Plant - summer

Buckboard Rd John Kava
Plant image
Male plant

Buckboard Rd John Kava
Plant image

Buckboard Rd John Kava
  Grass Description -   Glossary of Grass Terminology

Origin: Native    Season: Warm
Habitat Description: Dry valleys and open mesas. Often found in overgrazed areas.
Plant Communities: Desert Scrub, Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland
Elevation: Below 5500 feet

General Description

Desc: A wiry low growing grass that forms dense colonies connected by creeping stems.
Identification notes: Densely tufted perennial with wiry mat-like stolons. Leaves mostly basal, flat or folded. Sheath has noticeable veins, ligule is short and hairy. Seedhead is a compressed spikelet with 5 to 20 florets and twisted awns up to 4 inches long.
Grass Type: Perennial mat or sod-forming  Rhizomes: N  Stolons: Y
Large Dense Clump (> 2 feet): N  Bushy (highly branched): N
Height with Seedheads: Less than 12 inches
Seedhead Structure: Branched - fingerlike  Seedhead Droops: N
Flowering Period: May - Oct

Flower Characteristics

Number of Flowers per Spikelet: Multi-flowered  Spikelets One-sided: N
Awns: Greater than 1 inch   Three Awns: Y  Awns Bent: Y

Flower and Seedhead Notes: Awnless staminate (male) and long-awned pistillate (female) spikelets mostly on separate plants but sometimes on the same plant. Male spikelets 5 to 10 flowered, female spikelets 3 to 5 flowered. Lemmas end in 3 twisted awns 2 to 4 inches long.

Vegetative Characteristics

Blade Hairy: Y  Blade with White Margin: N  Blade Cross Section: Flat or folded  
Blade Notes: Blades flat or folded, 3/4 to 3 inches long, thin and crowded at the base. Leaves are often hairy near the collar.
Sheath Hairy: N  Tuft of Hairs Top of Sheath or Collar: Y  Ligules: Membranous and hairy
Auricles (Ear-like lobes at base of blades): N
Vegetative Notes: Sheaths are short and strongly veined with upper portions smooth, lower surface hairy. Ligule is a tiny hairy membrane.

Forage Value: Poor, grows on grassy plains and flats, generally being most abundant on disturbed or overgrazed land.

  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 7.0  
Last Updated: May 10, 2017  
Content Questions/Comments: Email Jeff Schalau  
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