1. Family: Poaceae Barnhart
    1. Genus: Festuca Tourn. ex L.
      1. Festuca fiebrigii Pilg.

        This species is accepted, and its native range is Peru to NW. Argentina.

    [GB]
    Habit
    Perennial; caespitose. Basal innovations intravaginal. Culms erect; 40-70 cm long; 2 -noded. Culm-internodes terete. Leaf-sheaths glabrous on surface. Ligule a ciliolate membrane; 1 mm long; truncate. Leaf-blades filiform; involute; 15-25 cm long; 1.4-1.5 mm wide. Leaf-blade venation comprising 13 vascular bundles; with 5 inner ridges; with 23 subepidermal sclerenchyma strands; with subepidermal sclerenchyma attached to veins above and below; without layer of subepidermal sclerenchyma masking vein striation. Leaf-blade surface scaberulous. Leaf-blade apex acute.
    Inflorescences
    Inflorescence a panicle. Panicle open; oblong; 10-25 cm long. Panicle axis scabrous. Panicle branches scabrous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 4-5 fertile florets; with diminished florets at the apex. Spikelets lanceolate, or elliptic; laterally compressed; 8-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 1 mm long; scaberulous.
    Fertile
    Spikelets comprising 4-5 fertile florets; with diminished florets at the apex. Spikelets lanceolate, or elliptic; laterally compressed; 8-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 1 mm long; scaberulous.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume linear; 4-5 mm long; 0.8-0.9 length of upper glume; chartaceous; without keels; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 5-6 mm long; 1.2-1.3 length of adjacent fertile lemma; chartaceous; without keels; 3 -veined. Upper glume primary vein scabrous. Upper glume apex acute.
    Florets
    Fertile lemma ovate; 4-4.5 mm long; chartaceous; without keel; 5 -veined. Lemma surface scabrous. Lemma apex acute; awned; 1 -awned. Principal lemma awn 1-2 mm long overall. Palea 5-5.5 mm long; 1.2 length of lemma; 2 -veined. Palea keels ciliolate. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Anthers 3; 3 mm long; purple. Ovary glabrous.
    Fruits
    Caryopsis with adherent pericarp; oblong; 3.5 mm long; glabrous. Hilum linear; 0.75 length of caryopsis.
    Distribution
    South America: western South America and southern South America.
    Reference
    Poeae. Turpe 1997.
    [GB]
    Habit
    Perennial; caespitose. Basal innovations intravaginal. Culms 30-40 cm long. Lateral branches lacking. Leaf-sheaths open for most of their length; glabrous on surface. Ligule a ciliolate membrane; 0.3-0.5 mm long. Leaf-blades filiform; conduplicate; 6-20 cm long; 0.5-0.7 mm wide; stiff. Leaf-blade surface smooth, or scaberulous; rough abaxially; pubescent; hairy adaxially. Leaf-blade apex acute; hardened.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; linear; 4-10 cm long. Primary panicle branches appressed; 2 -nate. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 4-6 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 8-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 1-1.5 mm long; scaberulous.
    Fertile
    Spikelets comprising 4-6 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 8-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 1-1.5 mm long; scaberulous.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 4 mm long; 0.75 length of upper glume; chartaceous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume surface scabrous; rough above. Lower glume apex acute. Upper glume lanceolate; 5-5.5 mm long; 1 length of adjacent fertile lemma; chartaceous; without keels; 3 -veined. Upper glume surface scabrous; rough above. Upper glume apex acute.
    Florets
    Fertile lemma elliptic; 5-6.5 mm long; chartaceous; much thinner on margins; without keel; 5 -veined. Lemma surface scabrous. Lemma apex acute; muticous, or mucronate. Palea 1 length of lemma; 2 -veined. Palea keels ciliolate. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Anthers 3; 2-2.5 mm long. Ovary glabrous.
    Fruits
    Caryopsis with adherent pericarp. Hilum linear.
    Distribution
    South America: western South America and southern South America.
    Reference
    Poeae. Fl Pat 1995.
    [GB]
    Habit
    Perennial; caespitose; clumped densely. Basal innovations intravaginal. Culms erect; 50-70 cm long; 1 -noded; with 0.5 of their length below uppermost node. Culm-internodes terete; smooth, or scaberulous. Leaf-sheaths inflated; tubular for much of their length; with 1 of their length closed; mostly shorter than adjacent culm internode; smooth, or scaberulous; glabrous on surface. Ligule a ciliolate membrane; 1 mm long; pubescent on abaxial surface; truncate. Leaf-blades filiform; conduplicate; 1-1.5 mm wide; stiff. Leaf-blade venation with subepidermal sclerenchyma attached to veins above and below; with continuous uniform subepidermal sclerenchyma layer on the underside. Leaf-blade surface scabrous; rough abaxially; puberulous; hairy adaxially.
    Inflorescences
    Inflorescence a panicle. Panicle open; lanceolate; dense; 10-15 cm long. Primary panicle branches ascending; 2 -nate. Panicle axis scabrous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 4-5 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 9-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes zig-zag; 1-2.5 mm long; scaberulous.
    Fertile
    Spikelets comprising 4-5 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 9-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes zig-zag; 1-2.5 mm long; scaberulous.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 3-5.5 mm long; 0.75 length of upper glume; chartaceous; without keels; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 4-5 mm long; 0.7-0.8 length of adjacent fertile lemma; chartaceous; without keels; 3 -veined. Upper glume primary vein scabrous. Upper glume apex acute.
    Florets
    Fertile lemma lanceolate; 6.5-7 mm long; chartaceous; purple; without keel; 5 -veined. Lemma apex acute; awned; 1 -awned. Principal lemma awn 1-1.5 mm long overall. Palea 1 length of lemma; 2 -veined. Palea keels scabrous. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Anthers 3; 3 mm long. Ovary glabrous.
    Fruits
    Caryopsis with adherent pericarp. Hilum linear.
    Distribution
    South America: western South America and southern South America.
    Reference
    Poeae. Turpe 1995.
    [GB]
    Habit
    Perennial; caespitose. Culms erect; 50-80 cm long; 1 -noded. Culm-internodes smooth. Leaf-sheaths tubular for much of their length; smooth, or antrorsely scabrous; glabrous on surface. Ligule a ciliolate membrane; 0.5 mm long. Leaf-blades conduplicate, or involute; 10-35 cm long; 2-3 mm wide; coriaceous; stiff. Leaf-blade surface puberulous; hairy adaxially. Leaf-blade apex obtuse, or abruptly acute.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 17-25 cm long. Primary panicle branches ascending, or spreading; 5-11 cm long. Panicle branches smooth, or scaberulous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels smooth, or scaberulous.
    Spikelets
    Spikelets comprising 4-5 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 10-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes smooth, or scaberulous.
    Fertile
    Spikelets comprising 4-5 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 10-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes smooth, or scaberulous.
    Glume
    Glumes persistent; similar; subequal in width; shorter than spikelet. Lower glume lanceolate; 4.5-5.3 mm long; 0.75-0.9 length of upper glume; chartaceous; without keels; 1 -veined. Lower glume primary vein smooth, or scaberulous. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 5-7 mm long; 0.8-1 length of adjacent fertile lemma; chartaceous; without keels; 3 -veined. Upper glume primary vein smooth, or scaberulous. Upper glume lateral veins obscure. Upper glume apex acute.
    Florets
    Fertile lemma oblong; 6-7 mm long; chartaceous; without keel; 5 -veined. Lemma surface pubescent; hairy above. Lemma apex acute; awned; 1 -awned. Principal lemma awn 0.5-1 mm long overall. Palea 2 -veined. Palea keels scabrous. Palea surface puberulous. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Anthers 3; 2.5-3 mm long.
    Fruits
    Caryopsis with adherent pericarp. Hilum linear.
    Distribution
    South America: western South America.
    Reference
    Poeae. Tovar 1995.

    Images

    Distribution

    Native to:

    Argentina Northwest, Bolivia, Peru

    Festuca fiebrigii Pilg. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Dec 1, 1982 Fiebrig, K. [3117], Bolivia K000433597 isosyntype
    Dec 1, 1982 Fiebrig, K. [3118], Bolivia K000433598 isolectotype
    Dec 1, 1982 Fiebrig, K. [3118], Bolivia K000433599 isolectotype
    Hieronymus, G. [68], Salta Festuca dissitiflora var. loricata K000433676 isotype
    Hieronymus, G. [68], Salta Festuca dissitiflora var. loricata K000433677 isotype

    First published in Bot. Jahrb. Syst. 37: 510 (1906)

    Accepted by

    • Ospina, J.c. & al. (2016). Multivariate analysis and taxonomic delimination within the Festuca setifolia complex (Poaceae) Systematic Botany 41: 727-746.
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
    • Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286.

    Literature

    Kew Backbone Distributions
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
    • Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286.

    Sources

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

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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