1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida adoensis Hochst. ex A.Rich.

        This species is accepted, and its native range is Eritrea to Tanzania.

    [FTEA]

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

    Habit
    Densely caespitose perennial, 25–60(–120) cm. high.
    Leaves
    Leaf-blades 5–25 mm. long, involute, up to 3 mm. wide when flattened.
    Inflorescences
    Panicle spike-like, 5–20 cm. long and about 1 cm. wide, sometimes interrupted below; branches usually hairy in their axils.
    Spikelets
    Spikelets enclosed by the glumes; glumes sub-equal, narrowly lanceolate, 8–12 mm. long, the lower a little longer or a little shorter than the upper, acuminate or tapering to an awn-point up to 2 mm. long; lemma subterete, 6–8 mm. long, scaberulous on the keel and sometimes also on the flanks in the upper half, passing directly into the awns without articulation; callus 0.8 mm. long, broadly linear, narrowly obtuse at the tip; awns subequal, 15–22 mm. long, rigid.
    Habitat
    Deciduous bushland, on a variety of dry, shallow, eroded or overgrazed soils; 1300–2300 m.
    Distribution
    K1 K2 K3 K4 K5 K6 T1 T2 T3 T5 T7 U1 U2 U3
    [GB]
    Habit
    Perennial; caespitose. Culms 25-60(-120) cm long. Culm-internodes distally glabrous. Ligule a fringe of hairs. Leaf-blades involute; 5-25 cm long; 1-3 mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle spiciform; linear, or oblong; continuous, or interrupted; 5-20 cm long; 1 cm wide. Panicle branches pubescent in axils. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 8-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; 1 mm long; pubescent; obtuse.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 8-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; 1 mm long; pubescent; obtuse.
    Glume
    Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma. Lower glume lanceolate; 8-11 mm long; 0.9-1.1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acuminate; muticous, or mucronate, or awned. Lower glume awn 0-2 mm long. Upper glume lanceolate; 8-11 mm long; 1.3-1.4 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acuminate; muticous, or mucronate, or awned; 1 -awned. Upper glume awn 0-2 mm long.
    Florets
    Fertile lemma elliptic; subterete; 6-8 mm long; coriaceous; keeled; 3 -veined. Lemma midvein scaberulous. Lemma surface smooth, or scaberulous; rough above. Lemma margins convolute; covering most of palea. Lemma apex acute; awned; 3 -awned. Principal lemma awn 3-branched; with 15-22 mm long limb; without a column; persistent. Lateral lemma awns 15-22 mm long; subequal to principal. Palea 0.2 length of lemma; without keels.
    Flowers
    Anthers 3.
    Distribution
    Africa: west-central tropical, northeast tropical, and east tropical.
    Reference
    Aristideae. FTEA.

    Images

    Distribution

    Native to:

    Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Rwanda, Sudan, Tanzania, Uganda, Zaïre

    Aristida adoensis Hochst. ex A.Rich. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Schimper [1806], Ethiopia K000366854
    Fries, R.E. [371], Kenya K000366785

    First published in Tent. Fl. Abyss. 2: 390 (1850)

    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.
    • 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.
    • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.
    • Audru, J., Cesar, J. & Lebrun, J.-P. (1993). Les Plantes Vasculaires de la République de Djibouti. Flore Illustrée 2(2): 433-968. CIRAD, Départerment d'Elevage et de Médecine vétérinaire, Djibouti.
    • 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.
    • Clayton, W.D. (1970). Gramineae Flora of Tropical East Africa 1: 1-176.
    • Lewalle, J. (1970). Liste floristique et répartition altitudinale de la flore du Burundi occidental: 1-84. Université officielle de Bujumbura.

    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.
    • Audru, J., Cesar, J. & Lebrun, J.-P. (1993). Les Plantes Vasculaires de la République de Djibouti. Flore Illustrée 2(2): 433-968. CIRAD, Départerment d'Elevage et de Médecine vétérinaire, Djibouti.
    • Troupin, G. (ed.) (1988). Flora du Rwanda 4: I-X, 1-651. Musee Royal de l'Afrique Centrale.
    • Clayton, W.D. (1970). Gramineae Flora of Tropical East Africa 1: 1-176.
    • 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
    • D.M. Napper, Grasses of Tanganyika: 24 (1965).
    • K.W. Harker & D.M. Napper, An Illustrated Guide to the Grasses of Uganda p. 17 (1960).
    • A.V. Bogdan, A Revised List of Kenya Grasses p. 33 (1958).
    • Edwards & Bogdan, Imp. grassl. pl. Kenya: 44 (1951).
    • Eggeling, Ann. list grasses Ug.: 3 (1947).
    • A. Rich., Tent. Fl. Abyss. 2: 390 (1851).
    • Hochst. in sched., Schimp. Iter Abyss. 3, No. 1806 (1844).

    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 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