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Pleuraphis jamesii - galleta

Scientific Family
Poaceae
Synonyms
Hilaria jamesii
Other common names
galleta grass
Plant type
Grasses
Riparian
No

Grass Description

Origin
Native
Season
Warm

Northern part of Yavapai county on dry hills and sandy plains and in rocky canyons. Grows in heavy soils.

Plant Community
Grasslands
Interior Chaparral
Pinyon Juniper Woodlands
Low elevation
3500
High elevation
7000
Similar species
Pleuraphis mutica

General Description

Seedhead stems are erect. The base of the plant is highly branched. Plants are found in dense patches due to the presence of rhizomes or stolons. This grass becomes coarse when not grazed or burned.

Spikelets 3 per node, glumes of lateral spikelets narrowed toward their apex, not fan-like; lower stem internodes without hairs, stem nodes are usually hairy.

Grass type
Perennial mat or sod-forming
Rhizomes
Yes
Stolons
Yes
Clump Diameter 2 ft or more
No
Bushy - highly branched
Yes
Height with Seedheads
12 inches or more
Seedhead Structure
Unbranched
Seedhead droops
No
First bloom month
May
Last bloom month
September

Flower Characteristics

Flowers per Spikelet
Multi-flowered
Spikelets One-Sided
No
Awns
Less than 1/4 inch
Three Awns
No
Awns bent
No
Flower and Seedhead Notes

Spikelets are bearded at their bases, sessile in groups of 3 and appressed to the inflorescence stem; lateral spikelets have 3 staminate florets; the central spikelet has one bisexual floret. First glume of lateral spikelets is awned on its back.

Vegetative Characteristics

Blade is hairy
No
Blade margins white
No
Blade cross-section
Flat
Involute – rolled inward on upper surface

Blades are 1 to 2 inches long and 1/8 inch wide, curled and rolled inward when dry.

Sheath is hairy
No
Tufts of hair top of sheath or collar
No
Ligule
Membranous
Auricles
No

The forage value is good for livestock and wildlife when the blades are green, poor to fair when dry.