Species Detail Grasses

Seedhead - Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)		Yavapai County Native & Naturalized Plants Echinochloa colona - jungle rice Synonyms: Panicum colonum Other Common Names: awnless barnyard grass Plant Form: Grass Family: Poaceae


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Spikelets Liz Makings @http://swbiodiversity.org, Usage Rights Creative Commons Attribution-ShareAlike (CC BY-SA)	Leaves Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)


	Grass Description - Glossary of Grass Terminology Origin: Introduced Season: Warm Habitat Description: Moist soils and disturbed areas such as seasonally flooded grasslands and cultivated or irrigated fields and ditches. Plant Communities:Riparian, Disturbed Areas Elevation: Below 5500 feet Similar Species: Echinochloa crusgalli General Description Desc: Annual grass growing in clumps or spreading by rooting from trailing stem nodes or short stolons. Mature plants are prostrate or erect and range from 2 to 3 feet in width or height. Identification Notes: Annual, blades flat. Widely spaced seedhead branching with few or no bristles distinguishes this from Echinochloa crusgalli. Spikelets are 2 to 3 mm long and not awned. Grass Type: Annual Rhizomes: N Stolons: Y Large Dense Clump (> 2 feet): Y Bushy (highly branched): N Height with Seedheads: 24 to 36 inches Seedhead Structure: Branched - contracted Seedhead Droops: N Flowering Period: Jun - Oct Flower Characteristics Number of Flowers per Spikelet: Multi-flowered Spikelets One-sided: Y Awns: Absent Three Awns: N Awns Bent: N Flower and Seedhead Notes: Seedheads are spike-like, 1 to 6 inches long with short, compact branches. Two-flowered awnless spikelets are arranged in 4 rows on one side of the seedhead and detach at maturity. Vegetative Charcteristics Blade Hairy: Y Blade with White Margins: N Blade Cross section: Flat Blade Notes: Leaves are flat, grayish or dull green, sometimes having purplish banding; hairs on or near the margins. Stems are hairless except for hairs at the stem joints. They are reddish-purple at their base and can root at the lower nodes. 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: Not available.


	Arizona Cooperative Extension Yavapai County 840 Rodeo Dr #C Prescott, AZ 86305 (928) 445-6590	Version 8.0 http://cales.arizona.edu/yavapaiplants/SpeciesDetailGrass.php Last Updated: Dec 13, 2022 Content Questions/Comments: Email Matt Halldorson Legal Disclaimer