Plant Image
Plant - fall
Casner Canyon, NE of Sedona
Max Licher @
Yavapai County Native & Naturalized Plants

Panicum hallii - Hall's panicgrass

Plant Form:Grass

Family: Poaceae

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Plant image
Plant - fall

Casner Canyon, NE of Sedona Max Licher @
Plant image

Casner Canyon, NE of Sedona Max Licher @
Plant image

Casner Canyon, NE of Sedona Max Licher @
  Grass Description -   Glossary of Grass Terminology

Origin: Native    Season: Warm
Habitat Description: Found on sandy plains and rocky slopes in open woodlands and ponderosa pine forests.
Plant Communities: Semidesert Grasslands, Pinyon Juniper Woodland, Montane Conifer Forest
Elevation: 4500 - 7500 feet

General Description

Desc: A rather small, tufted perennial bunchgrass, often acts like an annual. Stems solitary or sparingly branched at the base with numerous leaves, mostly in small dense clumps.
Identification notes: Tufted perennial, blades flat mostly basal, curled when dry. Ligule a fringe of hairs. Seedhead erect with appressed branches. Spikelets two-flowered, appressed, clustered and overlapping. First glume much shorter than second glume. Mature lemma shiny.
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 - contracted  Seedhead Droops: N
Flowering Period: Jun - 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: Seedhead is up to 8 inches long with few, stiff, erect-spreading branches and mostly appressed branchlets and spikelet stalks. Spikelets 2-flowered, appressed and closely placed in small, often overlapping clusters.

Vegetative Characteristics

Blade Hairy: Y  Blade with White Margin: N  Blade Cross Section: Flat  
Blade Notes: Blades are often clustered at the base of the plant, 1-1/2 to 6 inches long and 1/4 inch wide and may be sparsely hairy on top. Blades often curl with age, resembling wood shavings.
Sheath Hairy: Y  Tuft of Hairs Top of Sheath or Collar: N  Ligules: Membranous and hairy
Auricles (Ear-like lobes at base of blades): N
Vegetative Notes: Sheaths rounded and smooth or with straight, rather stiff hairs borne on nipple-like bases. Sheaths may be hairy on the margins. Ligule is hairy with a membranous base.

Forage Value: Fair for livestock and wildlife, palatability rapidly declines with maturity.

  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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