1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum humbertii A.Camus

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

    [GB]
    Habit
    Perennial. Culms decumbent; 50-60 cm long; rooting from lower nodes. Culm-internodes striate; distally glabrous. Lateral branches ample. Leaf-sheaths mostly shorter than adjacent culm internode; striately veined; puberulous; outer margin hairy. Ligule an eciliate membrane. Leaf-blades lanceolate; 7-10 cm long; 15-20 mm wide. Leaf-blade venation with 8-10 secondary veins; with distinct cross veins. Leaf-blade surface glabrous. Leaf-blade margins cartilaginous; scaberulous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; effuse; 18-20 cm long; 13-14 cm wide. Primary panicle branches spreading; 1 -nate. Panicle branches straight. Spikelets solitary. Fertile spikelets pedicelled. Pedicels straight; 8-10 mm long; glabrous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblanceolate; dorsally compressed; 1.5 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblanceolate; dorsally compressed; 1.5 mm long; falling entire.
    Glume
    Glumes similar; shorter than spikelet; thinner than fertile lemma. Lower glume lanceolate; 0.75 mm long; 0.5 length of spikelet; membranous; without keels; 3 -veined. Lower glume surface puberulous. Upper glume lanceolate; 0.75 mm long; 0.5 length of spikelet; membranous; without keels; 3 -veined. Upper glume surface puberulous. Upper glume apex acute.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous. Fertile lemma ovate; dorsally compressed; 1.5 mm long; indurate; shiny; without keel. Lemma margins involute. Lemma apex obtuse. Palea involute; indurate.
    Distribution
    Africa: western Indian ocean.
    Reference
    Paniceae. Camus 2007.
    [GB]
    Habit
    Perennial. Culms decumbent; 30-35 cm long; rooting from lower nodes. Culm-internodes striate; distally glabrous. Lateral branches ample. Leaf-sheaths striately veined; outer margin hairy. Ligule an eciliate membrane; 3 mm long. Leaf-blades lanceolate; 5-9 cm long; 8-23 mm wide. Leaf-blade venation with distinct cross veins. Leaf-blade surface glabrous; hairless except near base. Leaf-blade apex acute, or acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; effuse. Panicle axis hirsute. Panicle branches flexuous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels flexuous; 5-15 mm long; ciliate.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 1.5 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 1.5 mm long; falling entire.
    Glume
    Glumes dissimilar; shorter than spikelet; thinner than fertile lemma. Lower glume lanceolate; 0.8 mm long; 0.5 length of spikelet; membranous; without keels; 3 -veined. Lower glume surface puberulous. Upper glume lanceolate; 1-1.2 mm long; 0.75 length of spikelet; membranous; without keels; 3 -veined. Upper glume surface puberulous. Upper glume apex acute.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; lanceolate; 1.4 mm long; 1 length of spikelet; membranous; 5 -veined; puberulous; obtuse. Fertile lemma lanceolate; dorsally compressed; 1.3-1.5 mm long; indurate; shiny; without keel. Lemma margins involute. Lemma apex acute. Palea involute; indurate.
    Distribution
    Africa: western Indian ocean.
    Reference
    Paniceae. Camus 2007.

    Distribution

    Native to:

    Madagascar

    Panicum humbertii A.Camus appears in other Kew resources:

    First published in Bull. Soc. Bot. France 72: 620 (1925)

    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