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

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

    [GB]
    Habit
    Perennial. Rootstock evident. Butt sheaths pubescent. Culms erect; 20-60(-90) cm long. Leaves cauline. Leaf-sheaths pubescent; with tubercle-based hairs and capitate hairs. Ligule a fringe of hairs. Leaf-blades 3-9 cm long; 2-6 mm wide. Leaf-blade apex acute.
    Inflorescences
    Inflorescence a panicle. Panicle open; elliptic, or ovate; (3-)6-13 cm long. Panicle branches capillary; flexuous; pilose; with clavellate hairs. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 1.5-2 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 1.5-2 mm long; falling entire.
    Glume
    Glumes similar; reaching apex of florets; thinner than fertile lemma. Lower glume oblong; 0.2-0.25 length of spikelet; membranous; without keels; 0-3 -veined. Lower glume apex lobed; 3 -fid. Upper glume oblong; 0.5 length of spikelet; membranous; without keels; 5-7 -veined. Upper glume apex lobed; 5 -fid.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; oblong; 0.66-0.75 length of spikelet; membranous; 7 -veined; lobed; 5-7 -fid. Fertile lemma oblong; dorsally compressed; 1.5-2 mm long; chartaceous; pallid; shiny; without keel. Lemma margins involute. Lemma apex obtuse; pubescent. Palea involute; chartaceous.
    Distribution
    Africa: west-central tropical and southern tropical.
    Reference
    Paniceae. FZ.
    [FZ]

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

    Habit
    Perennial with slender erect culms 20–60(90) cm. high from a knotty, pubescent base.
    Leaves
    Leaves mostly cauline, laminae 3–9 × 0.2–0.6 cm., linear, flat, sharply acute.
    Inflorescences
    Panicle (3)6–13 cm. long, ovate or elliptic, usually much branched, the branches fine and flexuous, glandular hairy.
    Spikelets
    Spikelets 1.5–2 mm. long, ovate-elliptic; inferior glume 1/6–1/4 the length of the spikelet, 0–3-nerved; superior glume 1/2 the length of the spikelet, 5–7-nerved; inferior lemma 2/3–3/4 the length of the spikelet, 7-nerved, its palea absent, sterile; superior lemma and palea pallid glossy, puberulous at the apex.
    [FTEA]

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

    Habit
    Perennial; culms slender, 17–27 cm. high from a compact, fibrous, silky-hairy base.
    Leaves
    Leaves mostly basal; blades narrowly lanceolate, 3–7 cm. long, 2–3 mm. wide, straight at the base, stiff, tubercle-based hairs present, glandular hairs absent, narrowly acute.
    Inflorescences
    Panicle ovate-oblong, 2.5–3.5 cm. long, sparsely branched, glabrous.
    Spikelets
    Spikelets oblong, 1.5–2 mm. long, glabrous or scaberulous at the tip, purple tinged; lower glume 1/3–2/3 the length of the spikelet, 3-nerved, pectinate; upper glume as long as the spikelet, 5-nerved, pectinate; lower lemma as long as the spikelet, 7-nerved, pectinate, sterile, its palea absent; upper lemma purple tinged, its margins hyaline.
    Habitat
    Rocky grassland; 2600 m.
    Distribution
    T7 not known elsewhere
    [GB]
    Habit
    Perennial; caespitose. Butt sheaths pilose; persistent and investing base of culm; with fibrous dead sheaths. Culms slender; 17-27 cm long. Leaves mostly basal. Leaf-sheaths as wide as blade at the collar; pilose; with simple hairs and clavellate hairs. Ligule a ciliolate membrane. Leaf-blades lanceolate; 3-7 cm long; 2-3 mm wide. Leaf-blade surface pilose; with tubercle-based hairs. Leaf-blade apex acute.
    Inflorescences
    Inflorescence a panicle. Panicle open; oblong, or ovate; 2.5-3.5 cm long. Panicle branches glabrous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; 1.5-2 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; 1.5-2 mm long; falling entire.
    Glume
    Glumes similar; reaching apex of florets; thinner than fertile lemma. Lower glume oblong; 0.5-0.66 length of spikelet; membranous; without keels; 3 -veined. Lower glume apex lobed. Upper glume oblong; 1 length of spikelet; membranous; purple; without keels; 5 -veined. Upper glume apex lobed.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; oblong; 1 length of spikelet; membranous; 7 -veined; pilose; hairy above (tip); lobed. Fertile lemma oblong; dorsally compressed; coriaceous; pallid; without keel. Lemma margins involute. Lemma apex obtuse. Palea involute; coriaceous.
    Distribution
    Africa: east tropical.
    Reference
    Paniceae. FTEA.

    Images

    Distribution

    Native to:

    Angola, Burundi, Malawi, Tanzania, Zambia, Zaïre

    Panicum pectinellum Stapf appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1980 Wingfield [512], Tanzania Panicum omega K000282426 holotype

    First published in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 9: 720 (1920)

    Accepted by

    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • 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.
    • Ndabaneze, P. (1989). Catalogue des Graminées du Burundi Lejeunia; Revue de Botanique, n.s., 132: 1-127.

    Literature

    Kew Backbone Distributions
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • 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.
    • Robyns, W. (1934). Flore Agrostologique du Congo Belge et du Ruanda-Urundi 2: 9-386. Goemaere, Bruxelles.

    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