1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum haplocaulos Pilg.

        This species is accepted, and its native range is Senegal to Ethiopia, Tanzania to Zambia.

    [FZ]

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

    Habit
    Slender, glabrous or sparsely pilose annual with erect culms 25–60 cm. high.
    Leaf lamina
    Leaf laminae 7–25 cm. long and 2–6 mm. wide, linear, acuminate.
    Inflorescences
    Panicle 5–20 cm. long, ovate, sparsely to moderately branched, the branches delicate, ascending or spreading.
    Spikelets
    Spikelets 2–2.5 mm. long, ovate-elliptic, glabrous, acute or apiculate; inferior glume 1/3–1/2 the length of the spikelet, broadly ovate, 3-nerved, acute; superior glume ovate, 7-nerved, acute; inferior lemma ovate, 7-nerved, sterile, its palea absent; superior lemma and palea dark, glossy.
    [FTEA]

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

    Habit
    Slender annual; culms 30–60 cm. high.
    Leaves
    Leaf-blades linear, 7–25 cm. long, 2–6 mm. wide, straight at the base, glabrous, scabrid above, acute.
    Inflorescences
    Panicle ovate, 5–20 cm. long, modestly branched, the branches fine and spreading.
    Spikelets
    Spikelets ovate-elliptic, 2–3 mm. long, glabrous, acute; lower glume ovate, 1/2 the length of the spikelet, 3-nerved, acute or acuminate; upper glume ovate, 7-nerved, acute; lower lemma ovate, 7-nerved, sterile, its palea absent; upper lemma dark and glossy.
    Habitat
    Swampy ground; 900–1900 m.
    Distribution
    Senegal to Sudan, Zambia and Malawi T4 T8
    [GB]
    Habit
    Annual. Culms slender; 30-60 cm long. Ligule a ciliate membrane. Leaf-blades parallel-sided; 7-25 cm long; 2-6 mm wide. Leaf-blade surface scabrous; rough adaxially; glabrous. Leaf-blade apex acute.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 5-20 cm long. Primary panicle branches spreading. 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; acute; 2-3 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; acute; 2-3 mm long; falling entire.
    Glume
    Glumes similar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.5 length of spikelet; membranous; without keels; 3 -veined. Lower glume apex acute, or acuminate. Upper glume ovate; 1 length of spikelet; membranous; without keels; 7 -veined. Upper glume apex acute.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 7 -veined; acute. Fertile lemma oblong; dorsally compressed; 1.5-2.5 mm long; indurate; dark brown, or black; shiny; without keel. Lemma margins involute. Lemma apex obtuse. Palea involute; indurate.
    Distribution
    Africa: west-central tropical, northeast tropical, east tropical, and southern tropical.
    Reference
    Paniceae. FTEA.

    Images

    Distribution

    Native to:

    Cameroon, Central African Repu, Chad, Ethiopia, Malawi, Mali, Senegal, Sudan, Tanzania, Zambia

    Panicum haplocaulos Pilg. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Schweinfurth, G. [2003], Sudan K000256713 isotype
    Schweinfurth, G. [2003], Sudan K000256714 isotype

    First published in Bot. Jahrb. Syst. 33: 49 (1902)

    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.
    • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • 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.
    • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
    • Clayton, W.D. & Renvoize, S.A. (1982). Gramineae Flora of Tropical East Africa 3: 451-898.

    Literature

    Kew Backbone Distributions
    • 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.
    • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
    Flora of Tropical East Africa
    • F. W. Andr., The Flowering Plants of the Sudan 3: 502 (1956).
    • Troupin, Fl. Garamba 1: 64 (1956).
    • Stapf in Flora of Tropical Africa 9: 705 (1920).
    • Pilg. in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 33: 49 (1902).

    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