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Max Licher @
Yavapai County Native & Naturalized Plants

Muhlenbergia longiligula - longtongue muhly

Plant Form:Grass

Family: Poaceae

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Max Licher @
  Grass Description -   Glossary of Grass Terminology

Origin: Native    Season: Warm
Habitat Description: Grows on rocky slopes, canyons, and rocky outcrops derived from volcanic or limestone parent materials.
Plant Communities: Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Montane Conifer Forest
Elevation: 4000 - 8500 feet

Similar Species: M. emersleyi, M. lindheimeri

General Description

Desc: Tufted perennial with stout erect stems 2 to 4 feet high. Stem internodes are mostly smooth, sometimes minutely roughened below the nodes, sheaths rounded at the base.
Identification notes: Tufted perennial, seedheads narrow, flowered from the base, lemma awnless or with short tip. Distinguished from M. emersleyi by the rounded base of the sheath, smooth lemmas, and seedhead branches flowered from the base.
Grass Type: Perennial bunchgrass  Rhizomes: N  Stolons: N
Large Dense Clump (> 2 feet): N  Bushy (highly branched): N
Height with Seedheads: Greater than 36 inches
Seedhead Structure: Branched - contracted  Seedhead Droops: N
Flowering Period: Jul - Oct

Flower Characteristics

Number of Flowers per Spikelet: One-flowered  Spikelets One-sided: N
Awns: Absent   Three Awns: N  Awns Bent: N

Flower and Seedhead Notes: Dense seedheads are up to 24 inches long, contracted to open, greenish-tan to purplish; with erect stiff primary branches that are spikelet-bearing to the base. Branches have 30 to 60 spikelets, each with 1 fertile floret. Spikelets rarely have awns.

Vegetative Characteristics

Blade Hairy: Y  Blade with White Margin: N  Blade Cross Section: Flat or involute  
Blade Notes: Blades are 6 to 24 inches long, 1/8 to 1/4 inch wide, flat or inrolled at the margins, rough on the bottom and smooth on the top.
Sheath Hairy: Y  Tuft of Hairs Top of Sheath or Collar: N  Ligules: Membranous
Auricles (Ear-like lobes at base of blades): N
Vegetative Notes: Basal sheaths are rounded, may be smooth or rough and do not become spirally coiled as they age. Ligules are 1/2 to 1 inch long, firm and brown basally, membranous at the top. Longiligula means having a long ligule.

Forage Value: Fair to good.

  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 8.0  
Last Updated: Feb 16, 2020  
Content Questions/Comments: Email Jeff Schalau  
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