1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum wiehei Renvoize

        This species is accepted, and its native range is South Sudan to N. Mozambique.

    [GB]
    Habit
    Annual. Culms decumbent, or rambling; 30-100 cm long; rooting from lower nodes. Ligule a ciliate membrane. Leaf-blade base simple, or cordate. Leaf-blades lanceolate; 6-16 cm long; 8-18 mm wide; herbaceous, or membranous. Leaf-blade surface glabrous, or pilose. Leaf-blade margins scabrous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 7-15 cm long. Primary panicle branches moderately divided, or profusely divided. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 2-2.5(-3) mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 2-2.5(-3) mm long; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.25-0.33 length of spikelet; membranous; without keels; 0-1 -veined. Lower glume lateral veins absent. Lower glume apex obtuse, or acute. Upper glume ovate; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume surface asperulous. Upper glume apex acute.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 5 -veined; acute. Fertile lemma oblong; dorsally compressed; 1.5-2 mm long; indurate; pallid; without keel. Lemma margins involute. Lemma apex obtuse. Palea involute; indurate.
    Distribution
    Africa: northeast tropical, east tropical, and southern tropical.
    Reference
    Paniceae. FTEA.
    [FZ]

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

    Habit
    Annual with scrambling culms 30–100 cm. long.
    Leaf lamina
    Leaf laminae 6–16 cm. long and 8–18 mm. wide, lanceolate, acuminate.
    Inflorescences
    Panicle 7–15 cm. long, ovate, moderately to much branched.
    Spikelets
    Spikelets 2–2.5 mm. long, ovate, glabrous or sparsely pubescent; inferior glume 1/4–1/3 the length of the spikelet, 0–1-nerved; superior glume 5-nerved; inferior lemma 5-nerved, male, its palea well developed; superior lemma and palea pallid, glossy.
    [FTEA]

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

    Habit
    Annual; culms 30–100 cm. or more long, decumbent or scrambling, rooting at the lower nodes.
    Leaves
    Leaf-blades lanceolate to narrowly lanceolate, 6–16 cm. long, 8–18 mm. wide, cordate or straight at the base, herbaceous or membranous, flat, glabrous or pilose, scabrid on the margins, acuminate.
    Inflorescences
    Panicle broadly ovate, 7–15 cm. long, moderately to much branched.
    Spikelets
    Spikelets ovate, 2–2.5 mm. long, glabrous or sparsely pubescent; lower glume ovate, 1/4–1/3 the length of the spikelet, 0–1-nerved, obtuse or acute; upper glume ovate, antrorsely scaberulous on the back, 5-nerved; lower lemma similar, ♂, its palea well developed; upper lemma pale, shining.
    Habitat
    Forest margins and riverine woodland 1700–2200 m.
    Distribution
    U1

    Images

    Distribution

    Native to:

    Malawi, Mozambique, Sudan, Uganda, Zimbabwe

    Panicum wiehei Renvoize appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1980 Wiehe, P.O. [N/469], Malawi K000255527 isotype
    Jan 1, 1980 Wiehe, P.O. [N/469], Malawi K000255525 holotype
    Jan 1, 1980 Wiehe, P.O. [N/469], Malawi K000255526 isotype
    Harris, T. [262], Mozambique K000613337
    Timberlake, J. [5335], Malawi K000614681

    First published in Kew Bull. 34: 554 (1979 publ. 1980)

    Accepted by

    • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
    • Harris, T., Darbyshire, I. & Polhill, R. (2011). New species and range extensions from Mt Namuli, Mt Mabu and Mt Chiperone in northern Mozambique Kew Bulletin 66: 241-151.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of 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
    • Harris, T., Darbyshire, I. & Polhill, R. (2011). New species and range extensions from Mt Namuli, Mt Mabu and Mt Chiperone in northern Mozambique Kew Bulletin 66: 241-151.
    • 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.
    Flora of Tropical East Africa
    • Renv. in Kew Bulletin 34: 554 (1979).

    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