Species Detail Grasses

Plant - Arizona State University Vascular Plant Herbarium, Usage Rights: Non-Commercial (CC BY-NC)		Yavapai County Native & Naturalized Plants Bromus berteroanus - Chilean chess Synonyms: Bromus berterianus, Bromus trinii, Bromus triniiÂ var.Â excelsus, Trisetobromus hirtus Plant Form: Grass Family: Poaceae


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Spikelets Arizona State University Vascular Plant Herbarium, Usage Rights: Non-Commercial (CC BY-NC)


	Grass Description - Glossary of Grass Terminology Origin: Introduced Season: Cool Habitat Description: Open, sandy or gravelly soils. Plant Communities:Desert Scrub Elevation: 1500 - 3500 feet General Description Desc: Stems erect and clustered, clump appearing tufted. Seedheads are 4 to 8 inches tall and erect, with branches appressed to spreading. Identification Notes: Panicles are erect and dense; spikelets are cylindrical; awns are usually bent, sometimes only spreading, bristle-like and arising below the lemma apex; lemma teeth are about 1/8 inch long. 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 - open and spreading Seedhead Droops: N Flowering Period: Mar - Jun Flower Characteristics Number of Flowers per Spikelet: Multi-flowered Spikelets One-sided: N Awns: 1/4 inch to 1 inch Three Awns: N Awns Bent: Y Flower and Seedhead Notes: Spikelets have 3 to 7 fertile bisexual florets. Awns are bent and strongly to moderately twisted in the basal portion. Seedhead is open and spreading with 2 to 10 branches. Vegetative Charcteristics Blade Hairy: Y Blade with White Margins: N Blade Cross section: Flat Blade Notes: Leaf sheath mostly closed and clasping the stem, covered with stiff prickly hairs. Leaf blade is narrow, flat and sparsely to densely hairy. Sheath Hairy: Y Tuft of Hairs at top of Sheath or Collar: Y Ligules: Membranous Auricles (Ear-like lobes at collar area: N Forage Value: Poor and usually grazed only in its early growth stage.


	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