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    Author(s): Daniel G. Ogle; Loren St. John; Thomas A. Jones
    Date: 2010
    Source: Aberdeen, ID: U.S. Department of Agriculture, National Resources Conservation Service, Aberdeen Plant Materials Center. 6 p.
    Publication Series: Other
    Station: Rocky Mountain Research Station
    PDF: View PDF  (186.55 KB)

    Description

    Grass Family (Poaceae). Bluebunch wheatgrass is a perennial native bunchgrass. Bluebunch wheatgrass is highly variable and grows to 1.5 to 4 feet (0.4 to 1.2 m) tall with seed spikes 3 to 8 inches (76 to 200 mm) long. The auricles are pointed and semi-clasping to nearly lacking. Leaves are lax, cauline, flat to in-rolled, 0.6 to 0.25 inches (4 to 6 mm) wide, and green to blue in color. The sheath is generally glabrous. Reproductive stems are erect, slender, and sometimes wiry with a wavy rachis. The lemma awns range from being short to prominent and divergent except on the beardless type where the awn is lacking (Hitchcock 1950).

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    Citation

    Ogle, Daniel G.; St. John, Loren; Jones, Thomas A. 2010. Plant Guide: Bluebunch wheatgrass: Pseudoroegneria spicata. Aberdeen, ID: U.S. Department of Agriculture, National Resources Conservation Service, Aberdeen Plant Materials Center. 6 p.

    Keywords

    bluebunch wheatgrass, Pseudoroegneria spicata

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