Species Detail Grasses

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


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	Grass Description - Glossary of Grass Terminology Origin: Native Season: Warm Habitat Description: Grows on gravelly flats, rocky outcrops, exposed bedrock, limestone soils and sandy banks in grassland and scrub associations. Can form dense stands in depressions and flats in limestone gravel. Plant Communities:Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland Elevation: 5000 - 8000 feet Similar Species: M. brevis General Description Desc: Small tufted annuals with erect or trailing branches from the base. Seedhead branches are appressed. Identification Notes: Annual; seedhead with appressed branches; first glume bifid; lemmas awned. Similar toM. brevis. but with shorter lemma awns (6 to 15 mm) as compared to 10 to 20 mm. Grass Type: Annual Rhizomes: N Stolons: N Large Dense Clump (> 2 feet): N Bushy (highly branched): N Height with Seedheads: Less than 12 inches Seedhead Structure: Branched - contracted Seedhead Droops: N Flowering Period: Aug - Oct Flower Characteristics Number of Flowers per Spikelet: One-flowered Spikelets One-sided: N Awns: 1/4 inch to 1 inch Three Awns: N Awns Bent: N Flower and Seedhead Notes: Seedhead branches are 1 to 3 inches long and compressed with pairs of appressed spikelets. Vegetative Charcteristics Blade Hairy: Y Blade with White Margins: Y Blade Cross section: Flat or involute Blade Notes: Blades have a rough surface and are 1 to 3 inches long, 1/8 inch wide, flat or inrolled; midveins and margins thickened and whitish in color. 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: Fair to good.


	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