1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum hanningtonii Stapf

        This species is accepted, and its native range is Tanzania to S. Tropical Africa.

    [FZ]

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

    Habit
    Robust annual; culms 60–180 cm. high, erect, rarely decumbent and rooting at the lower nodes.
    Leaf sheaths
    Leaf-sheaths glabrous or the upper one hispid; laminae 15–45 cm. long and 8–18 mm. wide, linear, amplexicaul, acuminate.
    Inflorescences
    Panicle 20–35 cm. long, oblong, much branched, dense.
    Spikelets
    Spikelets (2)2.5–3 mm. long, ovate, often purple-tinged; inferior glume 1/2–2/3 the length of the spikelet, broadly ovate, 1–3-nerved, recurved acuminate; superior glume ovate, (5)7-nerved, recurved acuminate; inferior lemma 9-nerved, its palea well developed, male; superior lemma pale and glossy.
    [FTEA]

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

    Habit
    Robust annual; culms 90–150(–180) cm. high, unbranched or very rarely branched, erect or occasionally decumbent at the base and rooting at the lower nodes.
    Leaves
    Leaf-sheaths glabrous, the upper ones rarely hispid; blades linear, 15–45 cm. long, 8–18 mm. wide, amplexicaul at the base, glabrous, acuminate.
    Inflorescences
    Panicle oblong, 20–35 cm. long, erect, much branched, dense.
    Spikelets
    Spikelets ovate, (2–)2.5–3 mm. long, often purplish, glabrous; lower glume separated from the rest of the spikelet by a short internode, broadly ovate, 1/2–2/3 the length of the spikelet, 1–3-nerved, acuminate; upper glume ovate, (5–)7-nerved, acuminate; lower lemma 9-nerved, male, its palea well developed; upper lemma pale and glossy.
    Habitat
    Roadside, old farm land and open habitats; 400–1700 m.
    Distribution
    T4 T5 T6 T7
    [GB]
    Habit
    Annual. Culms erect, or geniculately ascending; robust; 90-150(-180) cm long; without nodal roots, or rooting from lower nodes. Lateral branches lacking. Leaf-sheaths glabrous on surface. Ligule a ciliate membrane. Leaf-blade base amplexicaul. Leaf-blades 15-45 cm long; 8-18 mm wide. Leaf-blade surface glabrous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle open; oblong; dense; 20-35 cm long. 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. Rhachilla internodes elongated between glumes.
    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. Rhachilla internodes elongated between glumes.
    Glume
    Glumes similar; reaching apex of florets; thinner than fertile lemma; gaping. Lower glume ovate; 0.5-0.66 length of spikelet; membranous; without keels; 1-3 -veined. Lower glume apex acuminate. Upper glume ovate; 1 length of spikelet; membranous; without keels; 5-7 -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; 9 -veined; acuminate. Fertile lemma oblong; dorsally compressed; 1.5 mm long; indurate; pallid; shiny; without keel. Lemma margins involute. Lemma apex obtuse. Palea involute; indurate.
    Distribution
    Africa: east tropical and southern tropical.
    Reference
    Paniceae. FTEA.

    Images

    Distribution

    Native to:

    Malawi, Mozambique, Tanzania, Zambia

    Panicum hanningtonii Stapf appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Hannington, J., Tanzania K000255561 holotype

    First published in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 9: 676 (1920)

    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.
    • 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: 61 (1965).
    • Stapf in Flora of Tropical Africa 9: 676 (1920).

    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