1. Family: Poaceae Barnhart
    1. Genus: Perotis Aiton
      1. Perotis patens Gand.

        This species is accepted, and its native range is Tropical & S. Africa, Madagascar.

    [FTEA]

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

    Habit
    Loosely tufted annual or short-lived perennial; culms 30–60 cm. high, ascending, tough and wiry.
    Leaves
    Leaf-blades lanceolate to narrowly ovate, 1–7 cm. long, 3–12 mm. wide, glaucous.
    Inflorescences
    Spike 5–30 cm. long, long-exserted from the uppermost sheath, the spikelets densely packed and ascending or spreading horizontally.
    Spikelets
    Spikelets 1.2–2.7 mm. long, rounded at the base and without a definite callus; glumes scaberulous to minutely hispidulous, with a flexuous awn 9–17 mm. long.
    Fruits
    Caryopsis terete.
    Habitat
    Pathsides and weedy places, often on dry sandy soils; 300–2000 m.
    Distribution
    K1 K2 K3 K4 K5 K6 K7 T1 T2 T4 T5 T6 T8 U1 tropical and South Africa, Madagascar
    [FWTA]

    Gramineae, W. D. Clayton. Flora of West Tropical Africa 3:2. 1972

    Habit
    Glaucous annual or short-lived perennial up to 60 cm. high
    Inflorescences
    Dense spikes
    Ecology
    Roadsides and weedy places.
    [GB]
    Habit
    Annual, or perennial; short-lived; caespitose. Culms geniculately ascending; 30-60 cm long; wiry. Ligule an eciliate membrane; erose. Leaf-blade base amplexicaul. Leaf-blades lanceolate to ovate; 1-7 cm long; 3-12 mm wide; glaucous. Leaf-blade margins ciliate.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; multilateral; 5-30 cm long. Rhachis angular; scabrous on surface. Spikelet packing crowded; irregular. Spikelets spreading, or ascending; solitary. Fertile spikelets pedicelled. Pedicels oblong; 0.5 mm long.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear to lanceolate; subterete; 1.2-2.7 mm long; falling entire. Spikelet callus brief; base obtuse.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear to lanceolate; subterete; 1.2-2.7 mm long; falling entire. Spikelet callus brief; base obtuse.
    Glume
    Glumes similar; subequal in width; exceeding apex of florets; firmer than fertile lemma. Lower glume lanceolate; 1.2-2.7 mm long; 1 length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume surface scabrous. Lower glume apex acuminate; awned; 1 -awned. Lower glume awn 9-17 mm long. Upper glume lanceolate; 1.2-2.7 mm long; 2-3 length of adjacent fertile lemma; membranous; without keels; 1 -veined. Upper glume primary vein distinct. Upper glume lateral veins absent. Upper glume surface scabrous. Upper glume apex acuminate; awned; 1 -awned. Upper glume awn 9-17 mm long.
    Florets
    Fertile lemma lanceolate; 0.5-1 mm long; hyaline; without keel; 1 -veined. Lemma apex acute. Palea hyaline.
    Flowers
    Anthers 3; 0.3-1 mm long.
    Fruits
    Caryopsis with adherent pericarp; fusiform; isodiametric; biconvex; 1.7 mm long. Embryo 0.3 length of caryopsis.
    Distribution
    Africa: west tropical, west-central tropical, northeast tropical, east tropical, southern tropical, south, and western Indian ocean.
    Reference
    Cynodonteae. FTEA.
    [FZ]

    Gramineae, T. Cope. Flora Zambesiaca 10:2. 1999

    Habit
    Annual or short-lived perennial up to 90(150) cm tall, tough and wiry, geniculately ascending; leaf laminas 2–8(11) cm × 3–12 mm, lanceolate to narrowly ovate.
    Inflorescences
    Inflorescence 7–35 cm long, well exserted from the uppermost leaf sheath, the spikelets densely packed and ascending or horizontally spreading.
    Spikelets
    Spikelets 2–2.6 mm long, rounded at the base and without a definite callus; glumes scaberulous to minutely hispidulous, with a slender, purple or carmine, flexuous awn, those of the 2 glumes similar, 8–15(25) mm long.
    Fruits
    Caryopsis terete.

    Images

    Distribution

    Native to:

    Angola, Benin, Botswana, Burkina, Burundi, Cameroon, Caprivi Strip, Central African Repu, Chad, Eritrea, Ethiopia, Free State, Gabon, Ghana, Guinea, Ivory Coast, Kenya, KwaZulu-Natal, Madagascar, Malawi, Mozambique, Namibia, Nigeria, Northern Provinces, Rwanda, Somalia, Sudan, Swaziland, Tanzania, Togo, Uganda, Zambia, Zaïre, Zimbabwe

    Common Names

    English
    Bottle brush grass, Cat's tail, Hyena grass, Purple spike grass

    Perotis patens Gand. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Sep 1, 1955 Wood, J.M. [5990], South Africa K000255450
    Gillett, J.B. [14081], Kenya K000255456 holotype
    Gillett, J.B. [14081], Kenya K000255457 holotype
    Schlechter, F.R.R. [4261], South Africa K000255449 isotype

    First published in Bull. Soc. Bot. France 66: 301 (1919 publ. 1920)

    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.
    • Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis PhytoKeys 23: 1-18.
    • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
    • Lisowski, S. (2009). Flore (Angiospermes) de la République de Guinée Scripta Botanica Belgica 41: 1-517.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
    • Cope, T. (1999). Flora Zambesiaca 10(2): 1-261. 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.
    • Thulin, M. (ed.) (1995). Flora of Somalia 4: i-ii, 1-298. The Royal Botanic Gardens, Kew.
    • Ndabaneze, P. (1989). Catalogue des Graminées du Burundi Lejeunia; Revue de Botanique, n.s., 132: 1-127.
    • Troupin, G. (ed.) (1988). Flora du Rwanda 4: I-X, 1-651. Musee Royal de l'Afrique Centrale.
    • Boulvert, Y. (1977). Catalogue de la Flore de Centrafrique 2(2): 1-94. ORSTOM, Bangui.
    • Clayton, W.D., Phillips, S.M., Renvoize, S.A. (1974). Gramineae Flora of Tropical East Africa 2: 177-449.
    • Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.
    • Lewalle, J. (1970). Liste floristique et répartition altitudinale de la flore du Burundi occidental: 1-84. Université officielle de Bujumbura.
    • Bosser, J. (1969). Gramiées des pasturages et des cultures a Madagascar: 1-440. ORSTOM, Paris.

    Literature

    Flora of West Tropical Africa
    • in Bull. So Bot. Fr. 66: 301 (1920).
    Kew Backbone Distributions
    • 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.
    • Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis PhytoKeys 23: 1-18.
    • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
    • Lisowski, S. (2009). Flore (Angiospermes) de la République de Guinée Scripta Botanica Belgica 41: 1-517.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
    • Cope, T. (1999). Flora Zambesiaca 10(2): 1-261. 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.
    • Thulin, M. (ed.) (1995). Flora of Somalia 4: i-ii, 1-298. The Royal Botanic Gardens, Kew.
    • Troupin, G. (ed.) (1988). Flora du Rwanda 4: I-X, 1-651. Musee Royal de l'Afrique Centrale.
    • Boulvert, Y. (1977). Catalogue de la Flore de Centrafrique 2(2): 1-94. ORSTOM, Bangui.
    • Clayton, W.D., Phillips, S.M., Renvoize, S.A. (1974). Gramineae Flora of Tropical East Africa 2: 177-449.
    • Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.
    • Lewalle, J. (1970). Liste floristique et répartition altitudinale de la flore du Burundi occidental: 1-84. Université officielle de Bujumbura.
    Flora of Tropical East Africa
    • Clayton in Flora of West Tropical Africa, ed. 2, 3: 411 (1972).
    • D.M. Napper, Grasses of Tanganyika: 20 (1965).
    • K.W. Harker & D.M. Napper, An Illustrated Guide to the Grasses of Uganda p. 49 (1960).
    • A.V. Bogdan, A Revised List of Kenya Grasses p. 34 (1958).
    • Jackson & Wiehe, Ann. list Nyasaland grasses: 54 (1958).
    • F. W. Andr., The Flowering Plants of the Sudan 3: 519 (1956).
    • Robyns, Flore des Spermatophytes du Parc National Albert 3: 138 (1955).
    • Gand. in Bull. Soc. Bot. Fr. 66: 301 (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

    Flora of West Tropical Africa
    Flora of West Tropical 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 2020. 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 2020. 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

    Plants and People Africa
    Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
    © Plants and People Africa http://www.plantsandpeopleafrica.com http://creativecommons.org/licenses/by/3.0/