Species Detail Grasses

- Utah State University, Intermountain Herbarium @http://swbiodiversity.org, Usage Rights: Public Domain (CC0 1.0)		Yavapai County Native & Naturalized Plants Hordeum marinum - seaside barley Plant Form: Grass Family: Poaceae


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	Grass Description - Glossary of Grass Terminology Origin: Introduced Season: Warm Habitat Description: Found in moist disturbed areas in alkaline soils. Plant Communities:Riparian, Disturbed Areas Elevation: 500 - 6500 feet Similar Species: Hordeum murinum General Description Desc: Loosely tufted annual with straight or slightly bent stems up to 20 inches tall, spreading at the base. Basal sheaths are somewhat hairy. Identification Notes: Hordeum marinum lacks auricles, which distinguishes it from H. murinum. Glumes straight, ascending to slightly divergent at maturity. Lemmas of the lateral spikelets with awns up to 1/4 inch long. Grass Type: Annual Rhizomes: N Stolons: N Large Dense Clump (> 2 feet): N Bushy (highly branched): N Height with Seedheads: 12 to 24 inches Seedhead Structure: Unbranched Seedhead Droops: N Flowering Period: Apr - Jun Flower Characteristics Number of Flowers per Spikelet: One-flowered Spikelets One-sided: N Awns: 1/4 inch to 1 inch Three Awns: Y Awns Bent: N Flower and Seedhead Notes: Spikelets are dense up to 3 inches long; green or purplish on the awns and glumes. Three spikelets per node; lateral spikelets sub-sessile, sterile; central spikelets sessile and fertile. Lemma awns up to 1/4 inch long. Vegetative Charcteristics Blade Hairy: Y Blade with White Margins: N Blade Cross section: Flat or involute Blade Notes: Blades are thin and about 3 inches long, less than 1/4 inch wide; sparsely to densely hairy on both sides. Sheath Hairy: Y Tuft of Hairs at top of Sheath or Collar: N Ligules: Membranous Auricles (Ear-like lobes at collar area: N Forage Value: Grass is used by wildlife and stock for early season forage but contains little nutritive value, especially after setting seedheads.


	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