1. Family: Poaceae Barnhart
    1. Genus: Festuca Tourn. ex L.
      1. Festuca primae E.B.Alexeev

        This species is accepted, and its native range is Caucasus.

    [GB]
    Habit
    Perennial; caespitose; clumped densely. Culms 10-20 cm long. Leaf-sheaths tubular for much of their length; with 0.5-0.75 of their length closed; glabrous on surface. Ligule an eciliate membrane. Leaf-blades filiform; conduplicate; 0.2-0.6 mm wide; glaucous; pruinose. Leaf-blade venation comprising 5 vascular bundles; with 5 secondary veins; with 1-3 inner ridges; with 3 subepidermal sclerenchyma strands; without layer of subepidermal sclerenchyma masking vein striation. Leaf-blade surface smooth; puberulous; hairy adaxially.
    Inflorescences
    Inflorescence a panicle. Panicle open; 3-6 cm long. Panicle axis smooth. Panicle branches smooth. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets with diminished florets at the apex. Spikelets oblong; laterally compressed; 7-9 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets with diminished florets at the apex. Spikelets oblong; laterally compressed; 7-9 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 0.75 length of upper glume; chartaceous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 0.7-0.8 length of adjacent fertile lemma; chartaceous; without keels; 3 -veined. Upper glume apex acute.
    Florets
    Fertile lemma oblong; 4.8-5.5 mm long; chartaceous; light green; without keel; 5 -veined. Lemma apex acute; awned; 1 -awned. Principal lemma awn 3-6 mm long overall. Palea 2 -veined. Palea keels scabrous; adorned above; with 0.33 of their length adorned. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Anthers 3; 1.8-2.5 mm long. Ovary glabrous.
    Fruits
    Caryopsis with adherent pericarp. Hilum linear.
    Distribution
    Asia-temperate: Caucasus.
    Reference
    Poeae. Alexeev 1995.

    Distribution

    Native to:

    North Caucasus

    Festuca primae E.B.Alexeev appears in other Kew resources:

    First published in Byull. Moskovsk. Obshch. Isp. Prir., Otd. Biol., n.s., 78(3): 106 (1973)

    Accepted by

    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Takhtajan, A.L. (ed.) (2006). Conspectus Florae Caucasi 2: 1-466. Editio Universitatis Petropolitanae.

    Literature

    Kew Backbone Distributions
    • Takhtajan, A.L. (ed.) (2006). Conspectus Florae Caucasi 2: 1-466. Editio Universitatis Petropolitanae.

    Sources

    GrassBase - The Online World Grass Flora
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0