1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum acrotrichum Hook.f.

        This species is accepted, and its native range is Bioko, Cameroon.

    [FWTA]

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

    Habit
    A straggling grass, rooting from the lower nodes
    Ecology
    In forest shade.
    [GB]
    Habit
    Perennial. Culms rambling; slender; 15-60 cm long; rooting from lower nodes. Leaf-sheaths narrower than blade at the collar. Ligule a ciliate membrane. Leaf-blade base broadly rounded. Leaf-blades spreading; lanceolate; 3-8 cm long; 8-23 mm wide. Leaf-blade venation with distinct cross veins. Leaf-blade surface pilose; sparsely hairy. Leaf-blade margins scaberulous.
    Inflorescences
    Inflorescence a panicle. Panicle open, or contracted; oblong; 7-15 cm long. Primary panicle branches 1-2 -nate. Panicle branches capillary. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 2-2.5 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 2-2.5 mm long; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume lanceolate; 0.33-0.5 length of spikelet; membranous; without keels; 1-3 -veined. Lower glume apex acute. Upper glume ovate; 1 length of spikelet; membranous; without keels; 5-7 -veined. Upper glume surface pilose; hairy above; with an apical beard (up to 3mm long). 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; 5-7 -veined; acute. Fertile lemma oblong; dorsally compressed; 2 mm long; chartaceous; pallid; without keel. Lemma margins involute. Lemma apex acute. Palea involute; chartaceous.
    Flowers
    Anthers 3; 1.3 mm long.
    Distribution
    Africa: west-central tropical.
    Reference
    Paniceae. FTA.

    Distribution

    Native to:

    Cameroon, Gulf of Guinea Is.

    Panicum acrotrichum Hook.f. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Nov 1, 2008 Cheek, M. [13659], Cameroon K000580332
    Jul 1, 2007 Tchiengue, B. [2281], Cameroon K000436143
    Dec 1, 2000 Cheek, M. [8644], Cameroon K000339477
    Jan 1, 1996 Marsden, J. [34], Cameroon K000182371
    Jan 1, 1996 Marsden, J. [35], Cameroon K000182372
    Jan 1, 1961 Maitland, T.D. [1266], Cameroon K000182365
    Jan 1, 1961 Boughey, A.S. [12614], Cameroon K000182366
    Jan 1, 1961 Boughey, A.S. [10735], Cameroon K000182367
    Hepper, F.N. [2028], Cameroon K000182363
    Maitland, T.D. [886], Cameroon K000182360
    Maitland, T.D. [344], Cameroon K000182361
    Maitland, T.D. [851], Cameroon K000182370
    Boughey, A.S. [12606], Cameroon K000182369
    Brenan, J.P.M. [9533], Cameroon K000182364

    First published in J. Proc. Linn. Soc., Bot. 7: 226 (1864)

    Accepted by

    • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Aedo, C., Tellería, M.T. & Velayos, M. (eds.) (1999). Bases Documentales para la Flora de Guinea Ecuatorial; Plantas vascularis y hongos: 1-414. CSIC, real jardín Botánico, Madrid.
    • Exell, A.W. (1973). Angiosperms of the islands of the gulf of Guinea (Fernando Po, Príncipe, S.Tomé, and Annobon) Bulletin of the British Museum (Natural History). Botany 4: 325-411.
    • Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.

    Literature

    Flora of West Tropical Africa
    • F.T.A. 9: 721.
    • in J. Linn. Soc. 7: 226 (1864)
    Kew Backbone Distributions
    • Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.

    Sources

    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.

    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