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

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

    [GB]
    Habit
    Annual. Culms erect, or geniculately ascending; robust, or of moderate stature, or slender; 30-150 cm long. Lateral branches ample. Leaf-sheaths hispid. Ligule a ciliate membrane. Leaf-blades tapering towards sheath, or parallel-sided; 10-25(-30) cm long; 3-8(-13) mm wide. Leaf-blade surface glabrous, or hispid. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; (6-)10-20(-30) cm long. Panicle branches capillary; straight, or flexuous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 2.4-3 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 2.4-3 mm long; falling entire.
    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(-5) -veined. Lower glume lateral veins absent, or obscure. 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; 7 -veined; acuminate. Fertile lemma oblong; dorsally compressed; 1.75 mm long; indurate; pallid; shiny; without keel. Lemma margins involute. Lemma apex obtuse. Palea involute; indurate.
    Distribution
    Africa: west-central tropical, east tropical, and southern tropical.
    Reference
    Paniceae. FTEA.
    [FZ]

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

    Habit
    Tufted annual with culms 25–100 cm. high.
    Leaf lamina
    Leaf laminae 10–25 cm. long and 3–8 mm. wide, linear, straight at the base or cordate, acute or acuminate.
    Inflorescences
    Panicle 7–20 cm. long, ovate or ovate oblong, much branched, the branches fine and often flexuous.
    Spikelets
    Spikelets 2.5–3 mm. long, ovate; inferior glume 1/2–2/3 the length of the spikelet, broadly ovate, 1(5)-nerved, acuminate; superior glume ovate, 5–7-nerved, recurved acuminate; inferior lemma 5–7-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
    Slender to robust annual; culms 30–150 cm. high, erect or geniculately ascending, usually much branched.
    Leaves
    Leaf-sheaths usually conspicuously hispid, occasionally glabrous; blades linear, 10–25(–30) cm. long, 3–8(–13) mm. wide, straight or narrowed at the base, flat, glabrous to hispid, acuminate.
    Inflorescences
    Panicle ovate to ovate-oblong, (6–)10–20(–30) cm. long, much branched, the branches fine and often flexuous.
    Spikelets
    Spikelets ovate, 2.4–3 mm. long, often purplish; lower glume broadly ovate, 1/2–2/3 the length of the spikelet, 1(–5)-nerved, acuminate; upper glume ovate, 5–7-nerved, acuminate; lower lemma 7-nerved, male, its palea well developed; upper lemma pale and glossy.
    Habitat
    Seasonally damp places in wooded grassland or deciduous bushland; 300–1700 m.
    Distribution
    southwards to Zimbabwe T1 T2 T4 T5 T6 T7 T8 U1 U2 U3 U4

    Images

    Distribution

    Native to:

    Malawi, Mozambique, Rwanda, Tanzania, Uganda, Zambia, Zimbabwe

    Panicum massaiense Stapf appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1987 Scott, L., Mozambique K000282447 holotype
    Mar 1, 1932 Haarer [1519], Tanzania K000255551

    First published in Bot. Jahrb. Syst. 34: 144 (1904)

    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.
    • 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.

    Literature

    Kew Backbone Distributions
    • Clayton, W.D. (1989). Flora Zambesiaca 10(3): 1-231. Royal Botanic Gardens, Kew.
    • 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.
    Flora of Tropical East Africa
    • D.M. Napper, Grasses of Tanganyika: 61 (1965).
    • A.V. Bogdan, A Revised List of Kenya Grasses p. 39 (1958).
    • Jackson & Wiehe, Ann. list Nyasaland grasses: 51 (1958).
    • Eggeling, Ann. list grasses Ug.: 32 (1947).
    • Stapf in Flora of Tropical Africa 9: 680 (1920).
    • Mez in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie: 34: 144 (1904).

    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