1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum filifolium Clayton

        This species is accepted, and its native range is Liberia, Congo, Tanzania (Mafia Island).

    [GB]
    Habit
    Perennial; caespitose. Culms slender; 18-35 cm long. Ligule a ciliate membrane; 0.5 mm long. Leaf-blades filiform; involute; 4-15 cm long; 0.5 mm wide; stiff, or firm.
    Inflorescences
    Inflorescence a panicle. Panicle open; oblong, or ovate; 3-10 cm long. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; acute; 1.3-1.5 mm long; falling entire; readily shedding fertile florets.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; acute; 1.3-1.5 mm long; falling entire; readily shedding fertile florets.
    Glume
    Glumes similar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.66-0.75 length of spikelet; membranous; without keels; 3 -veined. Lower glume surface glabrous, or pubescent; with tubercle-based hairs. Lower glume apex acute. Upper glume ovate; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume surface glabrous, or pubescent; with tubercle-based hairs. Upper glume apex acute.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret similar to upper glume; oblong; 1 length of spikelet; membranous; 5 -veined; glabrous, or pubescent; with tubercle-based hairs; obtuse. Palea of lower sterile floret 1 length of lemma. Fertile lemma oblong; dorsally compressed; 0.8-1 mm long; chartaceous; pallid; without keel. Lemma surface tuberculate (verruculose). Lemma margins involute. Lemma apex obtuse. Palea involute; chartaceous. Palea surface tuberculate (verruculose).
    Flowers
    Anthers 3; 1 mm long.
    Distribution
    Africa: west tropical and east tropical.
    Reference
    Paniceae. FTEA.
    [FTEA]

    Gramineae, W. D. Clayton, S. M. Phillips & S. A. Renvoize. Flora of Tropical East Africa. 1974

    Habit
    Densely caespitose perennial; culms 18–35 cm. high, stiff and slender.
    Leaves
    Leaf-blades filiform, 4–15 cm. long, 0.5 mm. in diameter, stiff or flexuous, inrolled and somewhat acicular, generally glabrous with a few hairs towards the ligule, tapering to a firm, pointed tip.
    Inflorescences
    Panicle ovate to oblong, 3–10 cm. long, finely branched.
    Spikelets
    Spikelets ovate, 1.3–1.5 mm. long, glabrous or sparsely pubescent, acute; lower glume 2/3–3/4 the length of the spikelet, 3-nerved; upper glume 5-nerved, acute; lower lemma 5-nerved, male, its palea well developed; upper lemma and palea verruculose.
    Habitat
    Open or disturbed areas on sandy soils; 5 m.
    Distribution
    T6
    [FWTA]

    Gramineae, W. D. Clayton. Flora of West Tropical Africa 3:2. 1972

    Habit
    Densely tufted perennial about 30 cm. high
    Stem
    Slender erect culms
    Ecology
    In sandy savanna.

    Images

    Distribution

    Native to:

    Congo, Liberia, Tanzania

    Panicum filifolium Clayton appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1967 Baldwin, J.T. [13020], Liberia K000256726 holotype
    Jan 1, 1967 Baldwin, J.T. [13020], Liberia K000256727 holotype

    First published in Kew Bull. 21: 111 (1967)

    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.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Clayton, W.D. & Renvoize, S.A. (1982). Gramineae Flora of Tropical East Africa 3: 451-898.
    • Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.

    Literature

    Flora of West Tropical Africa
    • in Kew Bull. 21: 111 (1967).
    Kew Backbone Distributions
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Clayton, W.D. & Renvoize, S.A. (1982). Gramineae Flora of Tropical East Africa 3: 451-898.
    • Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.
    Flora of Tropical East Africa
    • W.D. Clayton in Flora of West Tropical Africa, ed. 2, 3: 431 (1972).
    • W.D. Clayton in Kew Bulletin 21: 111 (1967)

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora of West Tropical Africa
    Flora of West Tropical Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    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