1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum petilum Swallen

        This species is accepted, and its native range is SE. Colombia.

    [GB]
    Habit
    Perennial. Culms decumbent; slender; 30-40 cm long. Lateral branches ample. Leaf-sheaths subequal to internodes; glabrous on surface. Ligule an eciliate membrane; 0.1 mm long. Leaf-blades involute; 1.5-2.5 cm long; 1-2 mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 1.5-3 cm long; bearing few spikelets. Primary panicle branches ascending, or spreading, or reflexed. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 1 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 1 mm long; falling entire.
    Glume
    Glumes reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.5 mm long; 0.5 length of spikelet; membranous; 3 -veined. Lower glume lateral veins absent. Lower glume apex obtuse. Upper glume ovate; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume apex obtuse.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 5 -veined; obtuse. Fertile lemma ovate; dorsally compressed; 1 mm long; indurate; pallid; without keel. Lemma surface papillose. Lemma margins involute. Palea involute; indurate.
    Distribution
    South America: western South America.
    Reference
    Paniceae. Swallen 2002.
    [CPLC]

    Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

    Distribution
    Endémica y nativa en Colombia; Alt. 0 - 500 m.; Amazonia, Guayana y Serranía de La Macarena, Orinoquia.
    Habit
    Hierba
    Conservation
    No Evaluada

    Distribution

    Native to:

    Colombia

    Panicum petilum Swallen appears in other Kew resources:

    First published in Phytologia 14: 73 (1966)

    Accepted by

    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • 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
    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.

    Sources

    Catálogo de Plantas y Líquenes de Colombia
    http://creativecommons.org/licenses/by-nc-sa/3.0

    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