Species Detail Grasses

Plant - spring Mahan Park		Yavapai County Native & Naturalized Plants Erioneuron pilosum - hairy woollygrass Synonyms: Tridens pilosus, Uralepis pilosa Other Common Names: hairy tridens Plant Form: Grass Family: Poaceae
Plant - spring Mahan Park


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Blades Russell Springs John Kava	Leaves close up Russell Springs John Kava	Leaves Russell Springs John Kava	Seedhead Mahan Park John Kava	Seedhead Russell Springs John Kava	Seedhead with leaf Russell Springs John Kava


	Grass Description - Glossary of Grass Terminology Origin: Native Season: Warm Habitat Description: Occasional on rocky slopes and in open oak and pinyon juniper woodlands and desert flats. Plant Communities:Desert Scrub, Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland Elevation: 2500 - 5500 feet Similar Species: Tridens muticus General Description Desc: Small bunchgrass with tufted basal leaves. Seedhead stems 4 to 12 inches tall, smooth without hairs or minutely with rather long stiff hairs. Identification Notes: Short, weak-rooted perennial grass with basal tufts of short leaves; seedhead stems erect, nearly leafless, emerging from the basal tufts, topped with 3 to 10 short, densely hairy, purplish to straw colored spikelets. Smaller than Tridens muticus. Grass Type: Perennial bunchgrass 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: May - Jul 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 3/4 to 2 inches long. Spikelets 1/2 to 3/4 inch long with 7 to 18 closely spaced very hairy florets. Vegetative Charcteristics Blade Hairy: Y Blade with White Margins: Y Blade Cross section: Flat or folded Blade Notes: Blades 1 to 2-1/4 inches long, less than 1/8 inch wide, both surfaces sparsely soft-hairy or smooth without hairs, grayish-green. 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.


	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