1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum deustum Thunb.

        This species is accepted, and its native range is Senegal, Eritrea to S. Africa, Afghanistan.

    [FZ]

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

    Habit
    Tufted or shortly rhizomatous perennial; culms slender or robust, 70–250 cm. high.
    Leaf lamina
    Leaf laminae 15–48 × 0.5–3.5(4) cm., linear to narrowly lanceolate, cordate or amplexicaul at the base, acuminate.
    Inflorescences
    Panicle 10–40 cm. long, ovate to oblong, the primary branches stiff and usually ascending, rarely spreading, secondary branches usually very short, antrorsely scaberulous, pilose and clavellate-hairy or glabrous.
    Spikelets
    Spikelets 3.5–5(5.5) mm. long, oblong, glabrous, obtuse.
    Glume
    Inferior glume broadly ovate, 1/2–2/3the length of the spikelet, 5–7-nerved; superior glume 7-nerved, as long as the spikelet.
    Lemma
    Inferior lemma 5-nerved, male, its palea well developed. Superior lemma and palea dull or shining.
    Inferior
    Inferior lemma 5-nerved, male, its palea well developed.
    Superior
    Superior lemma and palea dull or shining.
    [GB]
    Habit
    Perennial; caespitose. Rhizomes short. Culms 70-200 cm long. Ligule a ciliate membrane. Leaf-blade base simple, or broadly rounded. Leaf-blades linear, or lanceolate; 15-48 cm long; 5-35(-40) mm wide. Leaf-blade surface glabrous, or pilose. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Peduncle glabrous, or pilose above (clavellately). Panicle open; oblong, or ovate; 10-40 cm long; with spikelets clumped along branches. Primary panicle branches ascending, or spreading. Panicle branches stiff; scaberulous; glabrous (rarely), or pilose; with clavellate hairs. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; obtuse; 3.5-5(-5.5) mm long; falling entire. Rhachilla internodes elongated between glumes.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; obtuse; 3.5-5(-5.5) mm long; falling entire. Rhachilla internodes elongated between glumes.
    Glume
    Glumes similar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.5-0.66 length of spikelet; herbaceous; without keels; 5-7 -veined. Lower glume apex acute. Upper glume ovate; 1 length of spikelet; herbaceous; without keels; 7 -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; 5 -veined; acute. Fertile lemma oblong; dorsally compressed; 3.5-5(-5.5) mm long; indurate; pallid; dull, or shiny; without keel. Lemma margins involute. Lemma apex obtuse. Palea involute; indurate.
    Flowers
    Anthers 3; 3-3.5 mm long.
    Distribution
    Africa: west-central tropical, northeast tropical, east tropical, southern tropical, and south. Asia-temperate: western Asia. South America: Brazil.
    Reference
    Paniceae. FTEA.
    [FTEA]

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

    Habit
    Tufted, shortly rhizomatous perennial; culms slender or robust, branched or unbranched, 70–200 cm. high, often pilose and clavellate-hairy just below the panicle.
    Leaves
    Leaf-blades linear to narrowly lanceolate, 15–48 cm. long, 5–35(–40) mm. wide, cordate or straight at the base, herbaceous, glabrous or pilose, acuminate.
    Inflorescences
    Panicle ovate to oblong, 10–40 cm. long, the primary branches stiff and usually ascending, rarely spreading, secondary branches usually very short, antrorsely scaberulous, pilose and clavellate-hairy, rarely glabrous.
    Spikelets
    Spikelets oblong, 3.5–5(–5.5) mm. long, glabrous, pale green, often tinged purple, blunt; lower glume broadly ovate, 1/2–2/3 the length of the spikelet, herbaceous, 5–7-nerved, separated by a short internode from the rest of the spikelet; upper glume herbaceous, 7-nerved, acute; lower lemma membranous, 5-nerved, male, its palea well developed; upper lemma pale, dull or shining.
    Habitat
    Forest to deciduous bushland and grassland on clay/loam or sandy stony soils; 0–2000 m.
    Distribution
    K1 K2 K4 K5 K6 K7 T1 T2 T3 T5 T6 T7 T8 U1 Sudan and Ethiopia to South Africa

    Images

    Distribution

    Native to:

    Afghanistan, Botswana, Burundi, Cape Provinces, Eritrea, Ethiopia, Free State, Kenya, KwaZulu-Natal, Mozambique, Northern Provinces, Rwanda, Senegal, Somalia, Sudan, Swaziland, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

    Panicum deustum Thunb. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Forbes, Mozambique K000282470 isotype
    Forbes, Mozambique K000282472 isotype
    Holst, C. [8816], Tanzania K000255544 syntype
    Drège, South Africa K000282471

    First published in Prodr. Pl. Cap.: 19 (1794)

    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.
    • 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.
    • 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.
    • 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.
    • Ndabaneze, P. (1989). Catalogue des Graminées du Burundi Lejeunia; Revue de Botanique, n.s., 132: 1-127.
    • Troupin, G. (ed.) (1988). Flora du Rwanda 4: I-X, 1-651. Musee Royal de l'Afrique Centrale.
    • Clayton, W.D. & Renvoize, S.A. (1982). Gramineae Flora of Tropical East Africa 3: 451-898.
    • Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.
    • Bor, N.L. (1970). Flora Iranica 70: 1-573. Naturhistorisches Museums Wien.

    Literature

    Flora of West Tropical Africa
    • Berhaut, Fl. Sén. ed. 2, 404, 415.
    • Prodr. 1: 19 (1794)
    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.
    • 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.
    • 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.
    • Ndabaneze, P. (1989). Catalogue des Graminées du Burundi Lejeunia; Revue de Botanique, n.s., 132: 1-127.
    • Troupin, G. (ed.) (1988). Flora du Rwanda 4: I-X, 1-651. Musee Royal de l'Afrique Centrale.
    • Clayton, W.D. & Renvoize, S.A. (1982). Gramineae Flora of Tropical East Africa 3: 451-898.
    • Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.
    • Bor, N.L. (1970). Flora Iranica 70: 1-573. Naturhistorisches Museums Wien.
    • Robyns, W. (1934). Flore Agrostologique du Congo Belge et du Ruanda-Urundi 2: 9-386. Goemaere, Bruxelles.
    Flora of Tropical East Africa
    • D.M. Napper, Grasses of Tanganyika: 64 (1965).
    • K.W. Harker & D.M. Napper, An Illustrated Guide to the Grasses of Uganda p. 44 (1960).
    • A.V. Bogdan, A Revised List of Kenya Grasses p. 37 (1958).
    • F. W. Andr., The Flowering Plants of the Sudan 3: 497 (1956).
    • Robyns, Flore des Spermatophytes du Parc National Albert 3: 99 (1955).
    • Eggeling, Ann. list grasses Ug.: 131 (1947).
    • Robyns, Fl. Agrost. Congo Belge 2: 163 (1934).
    • Stapf in Flora of Tropical Africa 9: 651 (1920).
    • Thunb., Prodr. Pl. Cap.: 19 (1794).

    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