Poa glauca Vahl
  • Fl. Dan.
  • Blaugrünes Rispengras


Cite taxon page as 'WFO (2021): Poa glauca Vahl. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000892407. Accessed on: 20 Jun 2021'

General Information

Culms erect, glaucous, sometimes strongly purplish, (5–) 10–15(–35) cm tall, nodes 1 or 2, uppermost to 1/5 way up culm, covered by sheath; uppermost internode up to 1.5–2 mm wide. Shoots always extravaginal, even when densely tufted. Leaf sheath longer than blade, flat or folded, sometimes quite soft, withering, 1–2 mm wide, margins and both sides of veins scabrid; ligule 1–1.5(–2) mm. Panicle contracted, later quite open, 4–7 cm; branches 1 or 2 per node, 2–3 cm, with a few scattered spikelets. Spikelets oblong-ovate, (3.8–)4–5(–7) mm, tinged with purple, florets 2–4; glumes narrowly lanceolate, unequal, as long as lower lemma; lemma narrowly lanceolate, lower lemma ca. 4 mm, keel shortly villous for 1/2 of length, marginal veins for 1/3; callus sparsely webbed or glabrous. Fl. Jun–Aug.

  • Provided by: [C].Flora Of CHina @ efloras.org
    • Source: [
    • 1
    • ]. 

    "Culms clustered, 2–5 dm, erect, without rhizomes; lvs glaucous, lax, 1–3 mm wide, the uppermost one at or below the middle of the shoot; ligule 1–2 mm; infl long-exsert, narrow, rather dense, 3–12 cm, the branches in sets of 2–5, at first ascending, later spreading, each with a few 2–4-fld spikelets; glumes lanceolate, subequal, 2.3–3.8 mm, less than half as wide; lemmas 2.5–3.5 mm, densely sericeous or villosulous on the lower half of the keel and marginal veins, not webbed, the intermediate veins obscure; rachilla puberulent at 30×; anthers 1–2.2 mm; 2n=42, 49, 56, 63, 70. Gravelly or rocky soil and cliffs; circumboreal, s. to Vt., n. Mich., and ne. Minn. (P. glaucantha; P. scopulorum)"

  • Provided by: [B].New York Botanical Garden
    • Source: [
    • 2
    • ]. 

    Morphology

    20–50 cm hoch, blaugrün bereift. Blätter flach, bis 2 mm breit. Spreite des obersten Blattes kürzer als seine Scheide. Blatthäutchen ca. 1 mm lang, mit breiter Spitze, kahl, an den untersten Blättern fehlend. Rispe bis 7 cm lang, Äste kur

  • Provided by: [A].Flora Helvetica – Illustrierte Flora der Schweiz
    • Source: [
    • 4
    • ]. 

    Ecology

    6–7. Felsen, Felsschutt, meist auf Kalk, (subalpin-)alpin. A, vereinzelt J (Creux du Van).

  • Provided by: [A].Flora Helvetica – Illustrierte Flora der Schweiz
    • Source: [
    • 4
    • ]. 

    Included Variety

    Synonyms

    Other Local Names

    NameLanguageCountry
    Blaugrünes RispengrasGermanCH
    Fienarola glaucaItalianCH
    Pâturin bleuâtreFrenchCH
    Grassitsch blauRaeto-RomanceCH

      Bibliography

     Information From

    Flora Helvetica – Illustrierte Flora der Schweiz
    http://www.flora-helvetica.ch
    Flora Helvetica – Illustrierte Flora der Schweiz, Konrad Lauber, Gerhart Wagner, Andreas Gygax. Haupt Verlag 2018.
    • A All Rights Reserved
    New York Botanical Garden
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
    • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    Flora Of CHina @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=2
    'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • C Missouri Botanical Garden
    Poaceae
    • D CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).