1. Family: Poaceae Barnhart
    1. Genus: Festuca Tourn. ex L.
      1. Festuca chiriquensis Swallen

        This species is accepted, and its native range is Costa Rica to Panama.

    [GB]
    Habit
    Perennial; caespitose. Culms 80-130 cm long; 2-3 mm diam. Culm-nodes constricted; brown; glabrous. Lateral branches lacking. Leaf-sheaths antrorsely scabrous; glabrous on surface. Ligule an eciliate membrane; 0.7-2 mm long. Leaf-blades 15-50 cm long; 4-7 mm wide; dark green. Leaf-blade surface scaberulous; glabrous.
    Inflorescences
    Inflorescence a panicle. Peduncle 7-15 cm long. Panicle open; elliptic; nodding; 15-30 cm long; bearing few spikelets. Primary panicle branches 2 -nate; 8-15 cm long. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 3-4 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 15-17 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes scaberulous.
    Fertile
    Spikelets comprising 3-4 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 15-17 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes scaberulous.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume subulate; 5.5-6.7 mm long; 0.75 length of upper glume; chartaceous; 1 -veined. Lower glume lateral veins absent. Upper glume lanceolate; 8-9.5 mm long; 0.9 length of adjacent fertile lemma; chartaceous; without keels; 3 -veined. Upper glume primary vein scabrous. Upper glume apex acute.
    Florets
    Fertile lemma lanceolate; 9-11 mm long; chartaceous; without keel; 5 -veined. Lemma lateral veins prominent. Lemma surface scabrous. Lemma apex dentate; 2 -fid; acuminate; awned; 1 -awned. Principal lemma awn from a sinus; 14 mm long overall. Palea 1 length of lemma; 2 -veined. Palea keels scabrous. Palea apex awned; awns 1 mm long. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Anthers 3; 3-3.9 mm long; yellow.
    Fruits
    Caryopsis with adherent pericarp. Hilum linear.
    Distribution
    South America: Mesoamericana.
    Reference
    Poeae. Fl Costa Rica 1994.

    Distribution

    Native to:

    Costa Rica, Panamá

    Festuca chiriquensis Swallen appears in other Kew resources:

    First published in Ann. Missouri Bot. Gard. 30: 116 (1943)

    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.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.

    Literature

    Kew Backbone Distributions
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.

    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