1. Family: Poaceae Barnhart
    1. Genus: Pentameris P.Beauv.
      1. Pentameris borussica (K.Schum.) Galley & H.P.Linder

        This species is accepted, and its native range is Ethiopia to E. Tropical Africa.

    [GB]
    Habit
    Perennial; caespitose. Butt sheaths coriaceous; pallid; glossy; glabrous, or pubescent, or villous. Glands absent, or raised crateriform. Culms 15-75 cm long; 3-5 -noded. Leaves mostly basal. Leaf-sheaths glabrous on surface, or hirsute. Leaf-sheath oral hairs bearded. Ligule a fringe of hairs. Leaf-blades 6-25 cm long; 2-4 mm wide. Leaf-blade surface glabrous, or hirsute. Leaf-blade margins glandular; smooth.
    Inflorescences
    Inflorescence a panicle. Panicle open; oblong, or ovate; effuse; 4-12 cm long; 1-15 cm wide. Primary panicle branches ascending, or spreading. Panicle branches capillary; glandular; bearded in axils. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; glandular.
    Spikelets
    Spikelets comprising 2 fertile florets; without rhachilla extension, or with a barren rhachilla extension. Spikelets cuneate; laterally compressed; 3.5-8 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; pubescent.
    Fertile
    Spikelets comprising 2 fertile florets; without rhachilla extension, or with a barren rhachilla extension. Spikelets cuneate; laterally compressed; 3.5-8 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; pubescent.
    Glume
    Glumes persistent; similar; exceeding apex of florets; shiny; gaping. Lower glume elliptic; 3.5-8 mm long; 1 length of upper glume; membranous; glandular; 1-keeled; 1 -veined. Lower glume primary vein smooth, or scaberulous. Lower glume lateral veins absent. Lower glume apex acute, or acuminate. Upper glume elliptic; 3.5-8 mm long; 1.5-2.5 length of adjacent fertile lemma; membranous; glandular; 1-keeled; 1 -veined. Upper glume primary vein smooth, or scaberulous. Upper glume lateral veins absent. Upper glume apex acute, or acuminate.
    Florets
    Fertile lemma oblong; 2.2-3 mm long; membranous; without keel; 5-9 -veined. Lemma surface glabrous, or pubescent. Lemma apex dentate; 2 -fid; awned; 3 -awned. Principal lemma awn from a sinus; geniculate; 6-11 mm long overall; with twisted column. Column of lemma awn 2-4 mm long. Lateral lemma awns arising on inner edge of lobes; 2-3 mm long; shorter than principal. Palea 1 length of lemma. Rhachilla extension 0-0.05 length of fertile floret.
    Flowers
    Lodicules 2; cuneate; fleshy; glabrous. Anthers 3; 2-3 mm long.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Africa: northeast tropical and east tropical.
    Reference
    Arundineae. Linder.
    [FTEA]

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

    Habit
    Densely tufted perennial from a short rhizome; culms 15–60 cm. high, erect, 1–2-noded.
    Leaves
    Leaf-blades narrowly linear to setaceous, 5–25 cm. long and up to 4 mm. wide when opened out, rigid, curved or flexuous, glabrous or pubescent, usually glandular on the margins, with a slender blunt tip; lower leaf-sheaths glabrous to villous, usually ± coriaceous at the base.
    Inflorescences
    Panicle ovate to oblong, 4–12 cm. long, usually loose; rhachis and branches nearly always bearing minute elliptic or circular glands; branches capillary, spreading or sometimes ascending.
    Spikelets
    Spikelets (3.5–)4–6(–7) mm. long; glumes purple below the middle, pale above; body of lemma 1.8–2.5 mm. long, pubescent, the lobes 0.3–0.6 mm. long, acute, each with a fine bristle 1.5–7 mm. long; awn 4–8 mm. long, the column 2–4 mm. long and tightly twisted; palea 2–4 mm. long; anthers 0.9–2.5 mm. long.
    Habitat
    Upland grassland and moor; 3000–4680 m.
    Distribution
    not known elsewhere K3 K4 T2 U1 U2 U3

    Images

    Distribution

    Native to:

    Ethiopia, Kenya, Tanzania, Uganda

    Pentameris borussica (K.Schum.) Galley & H.P.Linder appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1984 Gilbert, M.G. [3294], Ethiopia Pentaschistis borussica K000702705
    Jan 1, 1970 deWilde, W. [9110], Ethiopia Pentaschistis borussica K000702702
    Mar 1, 1968 Vesey, L.D.E.F. [5384], Tanzania Pentaschistis borussica K000702790
    May 1, 1967 Osmaston, H.A. [1747], Uganda Pentaschistis borussica K000702769
    May 1, 1967 Bally, J. [3384], Kenya Pentaschistis borussica K000333271
    May 1, 1967 Wilson, J. [680], Kenya Pentaschistis borussica K000702773
    May 1, 1967 Bernardi, L. [9178], Kenya Pentaschistis borussica K000333270
    May 1, 1967 Dummer, R.A. [3335], Uganda Pentaschistis borussica K000702770
    May 1, 1967 Geilinger, W. [4639], Tanzania Pentaschistis borussica K000702803
    May 1, 1967 Geilinger, W. [4451], Tanzania Pentaschistis borussica K000702811
    May 1, 1967 Geilinger, W. [s.n.], Tanzania Pentaschistis borussica K000702812
    May 1, 1967 Leippert [6093], Tanzania Pentaschistis borussica K000702808
    Jan 1, 1967 Dummer, R.A. [3378], Uganda Pentaschistis borussica K000702772
    Oct 1, 1937 Dummer, R.A. [3379], Uganda Pentaschistis borussica K000702771
    Oct 1, 1936 Greenway [3920], Tanzania Pentaschistis borussica K000702802
    Oct 1, 1936 Volkens, G. [1368], Tanzania Pentaschistis borussica K000367209
    Oct 1, 1936 Hitchcock, A.S. [66], Tanzania Pentaschistis borussica K000702809
    Oct 1, 1936 Haarer, A. [1130], Tanzania Pentaschistis borussica K000702806
    Oct 1, 1936 LePelley, R.H. [2826], Tanzania Pentaschistis borussica K000702804
    Greenway, P.J. [13263], Tanzania Pentaschistis borussica K000702791
    Greenway, P.J. [13204], Tanzania Pentaschistis borussica K000702792
    Greenway, P.J. [7705], Tanzania Pentaschistis borussica K000702815
    Moreau, R.E. [178], Kenya Pentaschistis borussica K000333269
    Procter, J. [3453], Tanzania Pentaschistis borussica K000702781
    Bogdan, A. [4980], Kenya Pentaschistis borussica K000333234
    Bogdan, A. [3939], Kenya Pentaschistis borussica K000333273
    Thomas, A.S. [2686], Uganda Pentaschistis borussica K000702768
    Verdcourt, B. [1225], Tanzania Pentaschistis borussica K000702801
    Bjornstad, A. [395], Kenya Pentaschistis borussica K000333232
    Hedberg, O. [1176], Tanzania Pentaschistis borussica K000702805
    Hedberg, O. [1190], Tanzania Pentaschistis borussica K000702807
    Richards, H.M. [20912], Tanzania Pentaschistis borussica K000702782
    Napper, D.M. [1310], Kenya Pentaschistis borussica K000333268
    Davidse, G. [7023], Kenya Pentaschistis borussica K000333233
    Schlieben, H.J. [4825], Tanzania Pentaschistis borussica K000702813
    Grimshaw, J.M. [93588], Tanzania Pentaschistis borussica K000702783
    Grimshaw, J.M. [93621], Tanzania Pentaschistis borussica K000702784
    Grimshaw, J.M. [93439], Tanzania Pentaschistis borussica K000702785
    Grimshaw, J.M. [93589], Tanzania Pentaschistis borussica K000702786
    Grimshaw, J.M. [93622], Tanzania Pentaschistis borussica K000702787
    Mwangangi, O.M. [556], Kenya Pentaschistis borussica K000333236
    Hitchcock, A.S. [24626], Tanzania Pentaschistis borussica K000702810
    och Th.C.E.Fries [1200a], Kenya Pentaschistis borussica K000367213
    Burtt, B. D. [4062], Tanzania Pentaschistis borussica K000367210 Unknown type material
    Burtt, B. D. [4062], Tanzania Pentaschistis borussica K000367212 Unknown type material
    Phillips, S.M. [15], Ethiopia Pentaschistis borussica K000702703
    Phillips, S.M. [72], Tanzania Pentaschistis borussica K000702778
    Phillips, S.M. [78], Tanzania Pentaschistis borussica K000702779
    Phillips, S.M. [78], Tanzania Pentaschistis borussica K000702780
    Fries [1310], Kenya Pentaschistis borussica K000333235
    Kerfoot, O. [1429], Kenya Pentaschistis borussica K000333238
    Wesche, K. [237], Uganda Pentaschistis borussica K000702766
    Wesche, K. [238], Uganda Pentaschistis borussica K000702767
    Miehe, G. [314], Ethiopia Pentaschistis borussica K000702704
    Katende [878], Uganda Pentaschistis borussica K000702776
    Katende [914], Uganda Pentaschistis borussica K000702777
    Nouga [104], Uganda Pentaschistis borussica K000702774
    Nouga [133], Uganda Pentaschistis borussica K000702775
    Hedberb, O. [2280], Tanzania Pentaschistis borussica K000702788
    Vesey, L.D.E.F. [5043], Tanzania Pentaschistis borussica K000702789
    Sermolli, R.E.G.P. [5081], Tanzania Pentaschistis borussica K000702799
    Sermolli, R.E.G.P. [5072], Tanzania Pentaschistis borussica K000702800
    Ibrahim, M. [631], Tanzania Pentaschistis borussica K000702814

    First published in Ann. Missouri Bot. Gard. 97: 331 (2010)

    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.
    • Clayton, W.D. (1970). Gramineae Flora of Tropical East Africa 1: 1-176.

    Sources

    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