Species Detail Grasses

Plant - Anthony Mendoza @http://swbiodiversity.org, Usage Rights: Attribution-Non-Commercial (CC BY-NC)		Yavapai County Native & Naturalized Plants Eriochloa acuminata - tapertip cupgrass Synonyms: Eriochloa lemmonii var. minor Other Common Names: southwestern cupgrass Plant Form: Grass Family: Poaceae


Home	Plant Communities	Plant List	Search Forbs and Subshrubs	Search Grasses	Search Woody Plants	Additional Resources	About this Website

Click on Any Image for a Larger View
Leaves Anthony Mendoza @http://swbiodiversity.org, Usage Rights: Attribution-Non-Commercial (CC BY-NC)	Spikelets Patrick Alexander @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)	Seedhead Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)


	Grass Description - Glossary of Grass Terminology Origin: Native Season: Warm Habitat Description: Found in sandy washes and depressions, along streams and ditches, and in disturbed soils. Plant Communities:Riparian, Disturbed Areas Elevation: 2500 - 5500 feet Similar Species: Eriochola acuminata var. minor General Description Desc: Stems are 1 to 4 feet long and erect or trailing, sometimes rooting at the lower nodes. Leaves are mostly basal and below the middle of the stems. Small reddish cupules at the base of each spikelet remain after spikelets fall. Identification Notes: Annual. Seedheads spike-like, seedhead stems hairy; spikelets subsessile, 1/4 inch long; first glume reduced, second glume awn-tipped, glumes remain on plant. E.acuminata var. minor has spikelets 1/4 inch long with acute, straight sided tips. Grass Type: Annual Rhizomes: N Stolons: N Large Dense Clump (> 2 feet): N Bushy (highly branched): Y Height with Seedheads: 24 to 36 inches Seedhead Structure: Branched - open and spreading Seedhead Droops: N Flowering Period: Aug - Oct 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 have 5 to 20 appressed or erect and spreading branches that are widely spaced along the main axis. Branches have 20 to 36 appressed spikelets. Each spikelet has one fertile or bisexual floret and one sterile floret. Vegetative Charcteristics Blade Hairy: Y Blade with White Margins: N Blade Cross section: Flat or folded Blade Notes: Blades are bright green and flat or folded. Leaf sheaths are mostly open or loose. Both blades and sheaths may be smooth or hairy. Sheath Hairy: Y Tuft of Hairs at top of Sheath or Collar: Y Ligules: Membranous and hairy Auricles (Ear-like lobes at collar area: N Forage Value: Information 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