1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum laticomum Nees

        This species is accepted, and its native range is Somalia to S. Africa.

    [FTEA]

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

    Habit
    Annual; culms 30–200 cm. long, slender, scrambling, decumbent or geniculately ascending.
    Leaves
    Leaf-blades lanceolate, 6–10 cm. long, (5–)10–28 mm. wide, abruptly or asymmetrically narrowed at the base, glabrous or pilose, acuminate.
    Inflorescences
    Panicle ovate, obovate or oblong, (6–)10–20(–24) cm. long, finely and usually profusely branched.
    Spikelets
    Spikelets narrowly ovate, 1.5–2 mm. long, asymmetrical, sparsely to densely pilose, rarely glabrous, acute; lower glume broadly ovate, 1/2 the length of the spikelet, 3-nerved, acute, separated from the rest of the spikelet by a short internode; upper glume oblong, 2/3 the length of the spikelet, 5-nerved; lower lemma 5–7-nerved, sterile, its palea poorly developed; upper lemma granulose, pale and exposed at the tip.
    Habitat
    Forest shade; 0–800 m.
    Distribution
    K7 P T3 T7 T8
    [FZ]

    Gramineae, W. D. Clayton. Flora Zambesiaca 10:3. 1989

    Habit
    Annual with scrambling or geniculately ascending culms 30–200 cm. long.
    Leaf lamina
    Leaf laminae 6–10 cm. long and 10–28 mm. wide, lanceolate, acuminate.
    Inflorescences
    Panicle 10–25 cm. long, ovate, much to moderately branched, the branches fine and spreading.
    Spikelets
    Spikelets 1.5–2 mm. long, asymmetrically narrowly ovate, glabrous or pilose; inferior glume 5 the length of the spikelet, 3-nerved, separated from the superior glume by a short internode; superior glume 2/3–3/4 the length of the spikelet, 5-nerved; inferior lemma 5–7-nerved, its palea poorly developed, sterile; superior lemma and palea coriaceous, granulose, pallid, the apiculate apex generally exposed.
    [GB]
    Habit
    Annual. Culms decumbent, or rambling; slender; 30-200 cm long. Ligule a ciliate membrane. Leaf-blade base asymmetrical. Leaf-blades lanceolate; tapering towards sheath; 6-10 cm long; (5-)10-28 mm wide. Leaf-blade surface glabrous, or pilose. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle open; oblong, or ovate, or obovate; (6-)10-20(-24) cm long. Primary panicle branches profusely divided. Panicle branches capillary. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; gibbous; acute; 1.5-2 mm long; falling entire. Rhachilla internodes elongated between glumes.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; gibbous; acute; 1.5-2 mm long; falling entire. Rhachilla internodes elongated between glumes.
    Glume
    Glumes similar; shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 0.5 length of spikelet; membranous; without keels; 3 -veined. Lower glume surface glabrous, or pilose. Lower glume apex acute. Upper glume oblong; 0.66 length of spikelet; membranous; without keels; 5 -veined. Upper glume surface glabrous, or pilose. Upper glume apex acute.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret ovate; 1 length of spikelet; membranous; 5-7 -veined; glabrous, or pilose; acute. Fertile lemma oblong; dorsally compressed; 1.5-2 mm long; indurate; pallid; without keel. Lemma surface granulose. Lemma margins involute. Lemma apex obtuse. Palea involute; indurate.
    Distribution
    Africa: east tropical, southern tropical, and south.
    Reference
    Paniceae. FTEA.

    Images

    Distribution

    Native to:

    Cape Provinces, Kenya, KwaZulu-Natal, Malawi, Mozambique, Northern Provinces, Somalia, Swaziland, Tanzania, Zimbabwe

    Panicum laticomum Nees appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Drège, South Africa K000255481 isotype
    Drège, South Africa K000255482 isotype

    First published in Fl. Afr. Austral. Ill.: 43 (1841)

    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.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
    • Thulin, M. (ed.) (1995). Flora of Somalia 4: i-ii, 1-298. The Royal Botanic Gardens, Kew.
    • Clayton, W.D. (1989). Flora Zambesiaca 10(3): 1-231. Royal Botanic Gardens, Kew.
    • Clayton, W.D. & Renvoize, S.A. (1982). Gramineae Flora of Tropical East Africa 3: 451-898.

    Literature

    Kew Backbone Distributions
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
    • Thulin, M. (ed.) (1995). Flora of Somalia 4: i-ii, 1-298. The Royal Botanic Gardens, Kew.
    • Clayton, W.D. & Renvoize, S.A. (1982). Gramineae Flora of Tropical East Africa 3: 451-898.
    Flora of Tropical East Africa
    • D.M. Napper, Grasses of Tanganyika: 59 (1965).
    • Nees, Fl. Afr. Austr.: 43 (1841).

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora of Tropical East Africa
    Flora of Tropical East 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