Species Detail Grasses

Plant - Arizona State University Vascular Plant Herbarium, Usage Rights: Non-Commercial (CC BY-NC)		Yavapai County Native & Naturalized Plants Agrostis idahoensis - Idaho bentgrass Other Common Names: Idaho redtop, Colonial bentgrass Plant Form: Grass Family: Poaceae


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	Grass Description - Glossary of Grass Terminology Origin: Native Season: Warm Habitat Description: Alpine and subalpine meadows along wet seepage areas and bogs; wet openings with mossy areas in coniferous forests. Plant Communities:Riparian Elevation: 5500 - 10500 feet General Description Desc: Stems are erect and slender. Narrow flat leaves are mostly basal. Seedheads appear tufted and are open and spreading. Identification Notes: Panicle open, branches have secondary branches in the lower half; spikelets start at the middle of the branches; palea very short, 1/3 as long as the lemma, 1-flowered spikelets. Grass Type: Perennial bunchgrass Rhizomes: N Stolons: N Large Dense Clump (> 2 feet): N Bushy (highly branched): N Height with Seedheads: 12 to 24 inches Seedhead Structure: Branched - open and spreading Seedhead Droops: N Flowering Period: Jul - Aug Flower Characteristics Number of Flowers per Spikelet: One-flowered Spikelets One-sided: N Awns: Less than 1/4 inch Three Awns: N Awns Bent: N Flower and Seedhead Notes: Seedhead is an open, thin array of wispy branches bearing spikelets. Lower seedhead branches are whorled and flowers are bisexual. Vegetative Charcteristics Blade Hairy: N Blade with White Margins: N Blade Cross section: Flat Blade Notes: Leaves are mostly basal and clasp the stems. Leaf sheaths are mostly open and smooth. Older leaves are often inrolled. Sheath Hairy: N 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, especially palatable when young.


	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