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Plant - summer
Wolf Creek Area

Yavapai County Native & Naturalized Plants

Koeleria macrantha - Junegrass

Synonyms: Koeleria cristata, K. cristata var. longifolia, K. cristata var. pinetorum, K. gracilis , K. nitida and more. See SEINET.
Other Common Names: prairie Junegrass, prairie Koeler's grass, mountain Junegrass
Plant Form: Grass

Family: Poaceae

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Plant - fall
Prescott area
Jeff Schalau
Plant - fall
Prescott area
Jeff Schalau
Wolf Creek Area
Sue Smith
Wolf Creek Area
Sue Smith
Wolf Creek Area
Sue Smith
Wolf Creek Area
Sue Smith
  Grass Description -   Glossary of Grass Terminology

Origin: Native    Season: Cool and Warm
Habitat Description: Rocky slopes, grasslands, open pine woods and alpine areas in all soil types; semi-arid to moderately moist conditions.
Plant Communities:Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Montane Conifer Forest
Elevation: 4000 - 9000 feet

Similar Species: Sphenopholis intermedia
General Description

Desc: Bunchgrass with mostly basal blades up to 7 inches long. The seedhead is narrow and spikelike, except during spring flowering, when open.
Identification Notes: Loosely tufted perennial bunchgrass; narrow blades; contracted spikelike seedheads; spikelets 2 to 4 flowered, disarticulate above the glumes and between the florets; seedhead stem often extends beyond the fertile florets as a slender bristle.
Grass Type: Perennial bunchgrass  Rhizomes: N  Stolons: N
Large Dense Clump (> 2 feet): N  Bushy (highly branched): N
Height with Seedheads: 12 to 24 inches
Seedhead Structure: Branched - open and spreading  Seedhead Droops: N
Flowering Period: May - Oct
Flower Characteristics

Number of Flowers per Spikelet: Multi-flowered  Spikelets One-sided: N
Awns: Absent   Three Awns: N  Awns Bent: N
Flower and Seedhead Notes: Numerous slender, dense, somewhat cylindrical seedheads, tapering at both ends and spreading open during active flowering period. Spikelets are 2 to 4 flowered.
Vegetative Charcteristics

Blade Hairy: Y    Blade with White Margins: N    Blade Cross section: Flat or involute
Blade Notes: Blades narrow, 1 to 7 inches long and flat or inrolled when dry. Blade surface smooth or densely hairy with prominent raised veins (ribbing) on the upper surface of the blades.
Sheath Hairy: Y    Tuft of Hairs at top of Sheath or Collar: N    Ligules: Membranous
Auricles (Ear-like lobes at collar area: N

Forage Value: Excellent for livestock and wildlife; most growth is after summer rains begin.

  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 8.0  
Last Updated: Dec 13, 2022
Content Questions/Comments: Email Matt Halldorson  
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