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  1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida sieberiana Trin.

        This species is accepted, and its native range is W. Tropical Africa to Israel and Kenya, SW. Arabian Peninsula.

    [FWTA]

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

    Habit
    Loosely tufted perennial
    Stem
    Tough wiry culms
    Leaves
    Glaucous involute leaf-blades
    Ecology
    On coastal sands, and on dry sandy soils inland.
    [FTEA]

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

    Habit
    Loosely tufted perennial; culms 30–100 cm. high, often robust and up to 4 mm. in diameter.
    Leaves
    Leaf-blades involute, 5–30 cm. long and up to 2 mm. wide when flattened, glaucous.
    Inflorescences
    Panicle linear to lanceolate, loosely contracted, 8–25 cm. long.
    Spikelets
    Spikelets straw-coloured or suffused with purple, the glumes unequal with or without a few long hairs; lower glume lanceolate, 8–15 mm. long, acuminate to an awn (1–)2–5 mm. long; upper glume linear, 15–20 mm. long, acuminate to an awn (1–)3–9 mm. long; lemma terete, (7–)9–12 mm. long (including callus), smooth, articulated at the apex; callus obliquely pungent, 2 mm. long, pubescent, bearded towards the top; column of awns 10–30 mm. long; central limb 3.5–8 cm. long, the laterals a little shorter.
    Habitat
    Dry sandy soils in deciduous bushland; 300 m.
    Distribution
    Senegal and Cameroun Republic to the Somali Republic, northwards to Tunisia and Israel K1 K7
    [GB]
    Habit
    Perennial; caespitose. Culms 30-100 cm long; 2-4 mm diam.; woody. Culm-internodes distally glabrous. Lateral branches suffrutescent. Ligule a fringe of hairs. Leaf-blades involute; 5-30 cm long; 1-2 mm wide; glaucous.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; linear, or lanceolate; 8-25 cm long. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 15-20 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; curved; pubescent; with longer hairs above; pungent.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 15-20 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; curved; pubescent; with longer hairs above; pungent.
    Glume
    Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma. Lower glume lanceolate; 8-15 mm long; 0.5-0.8 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex dentate; 2 -fid; awned; 1 -awned. Lower glume awn (1-)2-5 mm long. Upper glume linear; 15-20 mm long; 2 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex lobed; 2 -fid; awned; 1 -awned. Upper glume awn (1-)3-9 mm long.
    Florets
    Fertile lemma oblong (cylindrical); subterete; (7-)9-12 mm long; coriaceous; without keel; 3 -veined. Lemma surface scaberulous, or scabrous; rough above. Lemma margins convolute; covering most of palea. Lemma apex acute; awned; 3 -awned. Principal lemma awn 3-branched; with 45-85 mm long limb; with twisted column; deciduous; abscissing from top of lemma. Column of lemma awn (12-)18-30 mm long. Lateral lemma awns 30-70 mm long; shorter than principal. Palea 0.1 length of lemma; without keels.
    Flowers
    Anthers 3.
    Distribution
    Africa: north, west tropical, west-central tropical, northeast tropical, and east tropical. Asia-temperate: western Asia and Arabia.
    Reference
    Aristideae. FTEA.
    [GB]
    Habit
    Annual, or perennial; short-lived; caespitose; clumped loosely. Culms erect, or geniculately ascending; 30-60 cm long. Culm-internodes distally glabrous. Culm-nodes purple; glabrous. Lateral branches ample. Leaf-sheaths loose, or inflated; glabrous on surface. Leaf-sheath oral hairs ciliate. Ligule a fringe of hairs. Leaf-blades involute; 3-20 cm long; 1-2 mm wide. Leaf-blade surface scabrous; rough adaxially; glabrous.
    Inflorescences
    Inflorescence a panicle. Panicle open; linear; 5-15 cm long. Primary panicle branches 2-3 -nate; indistinct the panicle almost racemose, or simple; bearing 1-2 fertile spikelets on each lower branch. Panicle branches scabrous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 20 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; 2 mm long; pubescent; acute.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 20 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; 2 mm long; pubescent; acute.
    Glume
    Glumes dissimilar; exceeding apex of florets; thinner than fertile lemma. Lower glume lanceolate; 10 mm long; 0.5 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume apex acute; mucronate. Upper glume linear; 20 mm long; 3.3 length of adjacent fertile lemma; membranous; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex dentate; 2 -fid; mucronate.
    Florets
    Fertile lemma linear; subterete; 6 mm long; coriaceous; without keel; 3 -veined. Lemma margins convolute; covering most of palea. Lemma apex awned; 3 -awned. Principal lemma awn 3-branched; with 50-55 mm long limb; with twisted column; deciduous; abscissing from top of lemma. Column of lemma awn 12-25 mm long. Lateral lemma awns 50-55 mm long; subequal to principal. Palea 1.5 mm long; 0.25 length of lemma.
    Flowers
    Lodicules 2; oblong; 2 mm long; ciliate; hairy across the apex; truncate. Anthers 3; 3 mm long.
    Fruits
    Caryopsis with adherent pericarp; linear; 4 mm long. Embryo 0.25 length of caryopsis. Hilum linear; 1 length of caryopsis.
    Distribution
    Africa: north and west tropical.
    Reference
    Aristideae. Fl Afr N 1994.

    Images

    Distribution

    Native to:

    Algeria, Benin, Burkina, Cameroon, Chad, Gambia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Kenya, Mali, Mauritania, Niger, Nigeria, Palestine, Senegal, Somalia, Sudan, Togo, Tunisia, Yemen

    Synonyms

    Other Data

    Aristida sieberiana Trin. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Aug 30, 1989 Diallo, D. [313], Mali K000211960
    Aug 1, 1962 Rossetti, C. [159], Mali K000211959
    Aug 1, 1962 Rossetti, C. [129], Mali K000211961
    Demange, R. [23], Mali K000211958
    Braun [s.n.] K000906058
    Kotschy [55], Sudan K000366835
    Kotschy [55], Sudan K000366836
    Sieber, F.W. [s.n.] K000906057
    s.coll. [s.n.] K000906059
    Scholz [7], Burkina Faso K000211957

    Bibliography

    First published in K.P.J.Sprengel, Neue Entd. 2: 61 (1821)

    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.
    • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
    • Lisowski, S. (2009). Flore (Angiospermes) de la République de Guinée Scripta Botanica Belgica 41: 1-517.
    • Cope, T.A., Knees, S.G. & Miller, A.G. (2007). Flora of the Arabian peninsula and Socotra 5(1): 1-387. Edinburgh University Press.
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • Catarino, L., Sampaio Martins, E., Pinto-Basto, M.F. & Diniz, M.A. (2006). Plantas Vasculares e Briófitos da Guiné-Bissau: 1-298. Instituto de investigação científica tropical, Instituto Português de apoio ao desenvolvimento.
    • Danin, A. (2004). Distribution Atlas of Plants in the Flora Palaestina area: 1-517. The Israel Academy of Sciences and Humanities, Jerusalem.
    • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.
    • Thulin, M. (ed.) (1995). Flora of Somalia 4: i-ii, 1-298. The Royal Botanic Gardens, Kew.
    • Barry, J. P. & Celles, J.S. (1991). Flore de Mauritanie 2: 360-550. Centre Regional de Documentation Pedagogique, Nice.
    • Jones, M. (1991). A checklist of Gambian plants: 1-33. Michael Jones, The Gambia College.
    • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
    • Peyre de Fabregues, B. & Lebrun, J.-P. (1976). Catalogue des Plantes Vascularies du Niger: 1-433. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
    • Lebrun, J.P. (1973). Énumération des plantes vasculaires du Sénégal: 1-209. Maisons Alfort: Institut d'élevage et de médecine vétérinaire des pays tropicaux.
    • Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.
    • Clayton, W.D. (1970). Gramineae Flora of Tropical East Africa 1: 1-176.

    Literature

    Flora of West Tropical Africa

    • in Rev. Bot. Appliq. 14: 109.
    • Henrard in Med. Rijks Herb. 58: 564
    • Chev. Bot. 741
    • in Spreng., Neue Entd. 2: 61 (1821)

    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.
    • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
    • Cope, T.A., Knees, S.G. & Miller, A.G. (2007). Flora of the Arabian peninsula and Socotra 5(1): 1-387. Edinburgh University Press.
    • Catarino, L., Sampaio Martins, E., Pinto-Basto, M.F. & Diniz, M.A. (2006). Plantas Vasculares e Briófitos da Guiné-Bissau: 1-298. Instituto de investigação científica tropical, Instituto Português de apoio ao desenvolvimento.
    • Danin, A. (2004). Distribution Atlas of Plants in the Flora Palaestina area: 1-517. The Israel Academy of Sciences and Humanities, Jerusalem.
    • Jones, M. (1991). A checklist of Gambian plants: 1-33. Michael Jones, The Gambia College.
    • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
    • Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.
    • Clayton, W.D. (1970). Gramineae Flora of Tropical East Africa 1: 1-176.
    • Gillet, H. (1968). Le peuplement végétal du massif de l'Ennedi (Tchad) Mémoires du Muséum National d'Histoire Naturelle. Serie B. Botanique 17: 1-206.

    Flora of Tropical East Africa

    • Trin. in Spreng., Neue Entd. 2: 61 (1821).

    Sources

    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

    Kew Science Photographs
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/