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- Louisiana State University Vascular Plants. Usage Rights: Attribution-Non-Commercial (CC BY-NC)

Yavapai County Native & Naturalized Plants

Echinochloa crus-pavonis - gulf cockspur grass

Other Common Names: gulf barnyard grass
Plant Form: Grass

Family: Poaceae

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F: Botany. Usage Rights: Attribution-Non-Commercial (CC BY-NC)
Hitchcock, A.S. (rev. A. Chase).
  Grass Description -   Glossary of Grass Terminology

Origin: Introduced    Season: Warm
Habitat Description: Found in waste places and moist, disturbed sites. Will grow in summer crops and wet places.
Plant Communities:Riparian, Disturbed Areas
Elevation: Below 7000 feet

Similar Species: Echinochloa crus-galli, E. colona
General Description

Desc: Annual or short-lived perennial grass. Stems can be from 1 to 5 feet tall, seedhead stems sprawling, bent or erect.
Identification Notes: Seedheads rebranch, usually droop, often rice-like. Upper lemmas narrowly ovate to elliptical, never with a line of minute hairs which distinguishes it from E. crus-galls. Lower lemmas often awned; upper lemmas scarcely exceeding the glumes.
Grass Type: Annual  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: Y
Flowering Period: Jul - Sep
Flower Characteristics

Number of Flowers per Spikelet: Multi-flowered  Spikelets One-sided: N
Awns: Less than 1/4 inch   Three Awns: N  Awns Bent: N
Flower and Seedhead Notes: Seedheads are 4 to 12 inches long and erect or often nodding, with a rather soft pinkish or pale purple color. Appears 1-flowered, lower floret is sterile.
Vegetative Charcteristics

Blade Hairy: N    Blade with White Margins: N    Blade Cross section: Flat
Blade Notes: Blades are 4 to 24 inches long, up to 1 inch wide, and smooth.
Sheath Hairy: N    Tuft of Hairs at top of Sheath or Collar: N    Ligules: Absent
Auricles (Ear-like lobes at collar area: N

Forage Value: Low to poor forage value.

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