1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum hygrocharis Steud.

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

    [GB]
    Habit
    Perennial. Rhizomes elongated. Stolons absent, or present. Culms erect, or geniculately ascending; slender; 30-60 cm long. Ligule a ciliate membrane. Leaf-blades flat; 5-12 cm long; 3-5 mm wide; herbaceous; firm. Leaf-blade surface glabrous, or pilose. Leaf-blade apex attenuate.
    Inflorescences
    Inflorescence a panicle. Panicle open; oblong, or ovate; 6-14 cm long. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; acuminate; 2.5(-3) mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; acuminate; 2.5(-3) mm long; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume oblate; 0.33 length of spikelet; hyaline; without keels; 0(-3) -veined. Lower glume lateral veins absent, or obscure. Lower glume apex obtuse, or acute. Upper glume ovate; 1 length of spikelet; membranous; without keels; 7 -veined. Upper glume apex acuminate.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 7 -veined; acute. Fertile lemma oblong; dorsally compressed; 2-2.5 mm long; indurate; pallid; shiny; without keel. Lemma margins involute. Lemma apex obtuse. Palea involute; indurate.
    Distribution
    Africa: north, west-central tropical, northeast tropical, east tropical, southern tropical, and south.
    Reference
    Paniceae. FTEA.
    [FTEA]

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

    Habit
    Rhizomatous aquatic perennial, often also with creeping stolons; culms slender, erect or decumbent, 20–60 cm. high.
    Leaves
    Leaf-blades linear, 5–12 cm. long, 3–5 mm. wide, straight at the base, flat, soft, pilose or glabrous, acuminate.
    Inflorescences
    Panicle ovate to narrowly oblong, 6–14 cm. long, moderately branched, the branches ascending.
    Spikelets
    Spikelets ovate, 2.5(–3) mm. long, pallid, acuminate; lower glume broadly ovate, 1/4 the length of the spikelet, hyaline, 0(–3)-nerved, clasping the base of the spikelet, obtuse or acute; upper glume ovate, as long as the spikelet, membranous, 7-nerved, acuminate; lower lemma similar to the upper glume, male, its palea well developed; upper lemma pale and glossy.
    Habitat
    Marshes and lakes, in black or grey clay soils; 200–1800 m.
    Distribution
    K3 K4 K5 K6 K7 T1 T2 T4 T5 T7
    [FZ]

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

    Habit
    Rhizomatous aquatic perennial, often also with creeping stolons; culms 20–60(90) cm. high, usually soft, slender, erect or decumbent.
    Leaf lamina
    Leaf laminae 5–12 cm. long and (1)3–5 mm. wide, linear, flat, soft, pilose or glabrous, usually bluntly acute, occasionally acuminate and slightly pungent.
    Inflorescences
    Panicle 6–14 cm. long, ovate to narrowly oblong, moderately to sparsely branched, the branches ascending or appressed.
    Spikelets
    Spikelets 2.5–3 mm. long, ovate, pallid, acuminate; inferior glume 1/4 the length of the spikelet, hyaline, 0(3)-nerved, clasping the base of the spikelet, obtuse or bluntly acute; superior glume as long as the spikelet, membranous, 7-nerved, acuminate; inferior lemma similar to the superior glume, male, its palea well developed; superior lemma and palea pallid, glossy.

    Images

    Distribution

    Native to:

    Botswana, Egypt, Eritrea, Ethiopia, Free State, Kenya, Kriti, Malawi, Namibia, Northern Provinces, Somalia, Sudan, Tanzania, Zambia, Zaïre, Zimbabwe

    Panicum hygrocharis Steud. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Greenway, P.J. [7780], Tanzania K000255578 isotype

    First published in Syn. Pl. Glumac. 1: 72 (1853)

    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.
    • Dimopoulos, P., Raus, T., Bergmeier, E., Constantinidis, T., Iatrou, G., Kokkini, S., Strid, A., & Tzanoudakis, D. (2013). Vascular plants of Greece. An annotated checklist: 1-372. Botanic gardens and botanical museum Berlin-Dahlem, Berlin and Hellenic botanical society, Athens.
    • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Boulos, L. (2005). Flora of Egypt 4: 1-617. Al Hadara Publishing, Cairo.
    • Hedberg, I. & Edwards, S. (eds.) (1995). Flora of Ethiopia and Eritrea 7: 1-430. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.

    Literature

    Kew Backbone Distributions
    • Dimopoulos, P., Raus, T., Bergmeier, E., Constantinidis, T., Iatrou, G., Kokkini, S., Strid, A., & Tzanoudakis, D. (2013). Vascular plants of Greece. An annotated checklist: 1-372. Botanic gardens and botanical museum Berlin-Dahlem, Berlin and Hellenic botanical society, Athens.
    • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
    • Hedberg, I. & Edwards, S. (eds.) (1995). Flora of Ethiopia and Eritrea 7: 1-430. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    • 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.

    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