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Montana Field Guide

Montana Field Guides

Yellow Bluestem - Bothriochloa ischaemum
Other Names:  King Ranch Bluestem, King Ranch Beardgrass, Andropogon ischaemum

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Non-native Species

Global Rank: G5
State Rank: SNA
C-value: 1


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Bunchgrass. Stems 6–10 dm, leaf sheaths not keeled. Leaves: blades 1–3 mm wide; ligule 0.5–1.5 mm long with a fringe of hairs. Inflorescence with numerous (2 to 8) racemes or spikes, each about 3–7 cm long, terminating the main stem in an apparently digitate arrangement. Spikelets: rachis and pedicels silky hairy along margins; sessile spikelets 3–4.5 mm long, glumes purplish to greenish, acute. Lemmas: fertile lemma with an awn 9–17 mm long; pedicellate spikelet about as large as the sessile spikelet (Lavin in Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Collected in Lake County Introduced in southern U.S (Lavin in Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 2

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Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat

Management

References
  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
  • Web Search Engines for Articles on "Yellow Bluestem"
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Citation for data on this website:
Yellow Bluestem — Bothriochloa ischaemum.  Montana Field Guide.  .  Retrieved on , from