1. Family: Poaceae Barnhart
    1. Genus: Festuca Tourn. ex L.
      1. Festuca nigriflora (Hitchc.) Negritto & Anton

        This species is accepted, and its native range is Peru (Junín).

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 15-45 cm long; 2-3 -noded. Lateral branches lacking. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane; 0.5-1 mm long; truncate. Leaf-blades involute, or convolute; 4-12 cm long; 2-3 mm wide; coriaceous. Leaf-blade surface pubescent; densely hairy; hairy adaxially. Leaf-blade margins smooth, or scaberulous. Leaf-blade apex obtuse.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; linear; 6-12 cm long; 0.7-1.2 cm wide. Panicle branches smooth, or scaberulous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels smooth.
    Spikelets
    Spikelets comprising 2-3 fertile florets; with a barren rhachilla extension. Spikelets oblong; laterally compressed; 6-7 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes smooth. Floret callus glabrous.
    Fertile
    Spikelets comprising 2-3 fertile florets; with a barren rhachilla extension. Spikelets oblong; laterally compressed; 6-7 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes smooth. Floret callus glabrous.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 2.5-2.7 mm long; 0.75 length of upper glume; coriaceous; 1-keeled; 1-3 -veined. Lower glume lateral veins absent, or obscure. Lower glume surface glabrous, or pubescent; hairy at apex. Lower glume apex truncate, or obtuse. Upper glume ovate; 3.3-3.5 mm long; 0.75 length of adjacent fertile lemma; coriaceous; 1-keeled; 3 -veined. Upper glume surface glabrous, or pubescent; hairy at apex. Upper glume apex truncate, or obtuse.
    Florets
    Fertile lemma ovate; 5 mm long; coriaceous; purple, or black; keeled; 5 -veined. Lemma surface pubescent; hairy above. Lemma apex acute. Palea keels ciliolate. Palea surface puberulous; hairy on back.
    Flowers
    Lodicules 2; membranous. Anthers 3; 2.3-2.5 mm long.
    Fruits
    Caryopsis with adherent pericarp. Hilum punctiform.
    Distribution
    South America: western South America.
    Reference
    Poeae. Tovar 1995.

    Distribution

    Festuca nigriflora (Hitchc.) Negritto & Anton appears in other Kew resources:

    First published in Novon 9: 542 (1999)

    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.

    Literature

    Kew Backbone Distributions
    • 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

    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