Vulpia octoflora (Walter) Rydb.
  • Bull. Torrey Bot. Club


Cite taxon page as 'WFO (2020): Vulpia octoflora (Walter) Rydb. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000907450. Accessed on: 12 Jul 2020'

General Information

"Slender, decumbent to erect annual 1–6 dm, glabrous or hairy; blades flat or involute, setaceous, 0.5–1 mm wide; infl slender, 3–20 cm, with a few ascending or rarely spreading branches; spikelets flattened, with 5–11+ fls; first glume subulate, 1- veined, 1.7–4.5 mm, the second lanceolate, 3-veined, a fourth longer; florets closely imbricate, the internodes of the rachilla typically 0.5–0.7 mm; lemmas involute, straight, obscurely veined, glabrous or merely scabrous in our vars., soon diverging and exposing the rachilla, the lowest one 2.7–6.5 mm, with an awn 0.3–6(–9) mm; anther 1(–3), 0.3–1.5 mm; grains mostly 1.7–3.3 mm; 2n=14. Dry or sterile soil; Que. and N. Engl. to B.C., s. to Fla. and Calif. (Festuca o.) Two ill-defined vars. in our range: In the mostly southern var. octoflora the spikelets are 5.5–10 mm, and the awn of the lowest lemma is 0.3–3 mm. In the mostly more northern var. glauca (Nutt.) Fernald the spikelets are 4–5.5 mm, and the awn of the lowest lemma is 2.5–6+ mm."

  • Provided by: [A].New York Botanical Garden
    • Source: [
    • 1
    • ]. 

      Bibliography

    • 1 "Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp."
    • 2 Bull. Torrey Bot. Club

     Information From

    New York Botanical Garden
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    • A Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    International Union for Conservation of Nature
    https://www.iucn.org/
    IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
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    International Union for Conservation of Nature v.3
    https://www.iucnredlist.org/
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
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    Poaceae
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