1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum madipirense Mez

        This species is accepted, and its native range is Kenya to Botswana.

    [FTEA]

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

    Habit
    Annual; culms erect, 25–120 cm. high, glabrous or with soft deflexed or spreading hairs.
    Leaves
    Leaf-blades linear-lanceolate, 8–24 cm. long, 6–12 mm. wide, cordate at the base, flat, membranous, often yellowish green on drying, glabrous to pilose, acute to acuminate.
    Inflorescences
    Panicle oblong, 10–20(–30) cm. long, much branched, the branches fine and ascending.
    Spikelets
    Spikelets oblong, 2.5–3.7 mm. long, glabrous, usually pale yellowish green, acute; lower glume broadly ovate, 1/4 the length of the spikelet, cufflike, membranous, 1–sub-7-nerved, acute; upper glume ovate, membranous, 9-nerved, acute; lower lemma ovate with two flaps at the apex, 9-nerved, male, its palea well developed; upper lemma beaked, smooth or minutely scaberulous in the upper half or at the apex only.
    Habitat
    Swamps and damp areas in wooded grassland or bushland, on clay or sandy soil; 460–1100 m.
    Distribution
    K3 T4 T7
    [GB]
    Habit
    Annual. Culms erect; 25-120 cm long. Culm-internodes distally glabrous, or hirsute. Ligule a ciliate membrane. Leaf-blade base cordate. Leaf-blades linear, or lanceolate; 8-24 cm long; 6-12 mm wide; light green. Leaf-blade surface glabrous, or pilose. Leaf-blade apex acute, or acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle open; oblong; 10-20(-30) cm long. Panicle branches capillary. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; acute; 2.5-3.7 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; acute; 2.5-3.7 mm long; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.25 length of spikelet; membranous; without keels; 1-7 -veined. Lower glume apex acute. Upper glume ovate; 1 length of spikelet; membranous; without keels; 9 -veined. 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; winged on margins (apically); 9 -veined; acute. Fertile lemma oblong; dorsally compressed; 2.5-3.5 mm long; indurate; pallid; without keel. Lemma surface scaberulous; rough above (tip). Lemma margins involute. Lemma apex apiculate. Palea involute; indurate.
    Distribution
    Africa: east tropical, southern tropical, and south.
    Reference
    Paniceae. FTEA.
    [FZ]

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

    Habit
    Annual with erect culms 25–120 cm. high.
    Leaf lamina
    Leaf laminae 8–24 cm. long and 6–20 mm. wide, linear-lanceolate, cordate, acute or acuminate.
    Inflorescences
    Panicle 10–20(30) cm. long, oblong, finely branched.
    Spikelets
    Spikelets 2.5–3.7 mm. long, oblong, glabrous; inferior glume 1/4 the length of the spikelet, cuff-like, membranous 1-sub-7-nerved; superior glume 9-nerved; inferior lemma 9-nerved, enclosing a male flower, its palea well developed; superior lemma smooth or scaberulous towards the apex.

    Images

    Distribution

    Native to:

    Botswana, Kenya, Malawi, Mozambique, Tanzania, Zambia, Zimbabwe

    Panicum madipirense Mez appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Zimmermann [2583], Tanzania K000255581 isosyntype
    Zimmermann [2582], Tanzania K000255582 isosyntype

    First published in Bot. Jahrb. Syst. 57: 189 (1921)

    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.
    • 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
    • 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
    • D.M. Napper, Grasses of Tanganyika: 63 (1965).
    • Mez in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 57: 189 (1921).

    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