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  1. Family: Cyperaceae Juss.
    1. Genus: Rhynchospora Vahl
      1. Rhynchospora perrieri Cherm.

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

    [FWTA]

    Cyperaceae, Miss S. S. Hooper. Flora of West Tropical Africa 3:2. 1972

    Habit
    Similar to the preceding species (Rhyncospora brevirostris) but generally taller, up to 50 cm. and of more frequent occurrence
    Ecology
    Edge of swamps.
    [FTEA]

    Cyperaceae, K Hoenselaar, B. Verdcourt & H. Beentje. Hypolytrum, D Simpson. Fuirena, M Muasya. Flora of Tropical East Africa. 2010

    Type
    Type: Madagascar, Andringitra Mts, Perrier de la Báthie 14555 (P, holo.)
    Habit
    Annual, slender.
    Roots
    Rootsystem sparse, up to 45 cm high.
    Culms
    Culms trigonous, 2–22 cm long, 0.3–1 mm wide, glabrous
    Inflorescences
    Inflorescence a slender panicle, with 3–4 clusters of spikelets.
    Leaves
    Leaves subtending the primary branches with sheath 1–2 cm long, blade 2.3–30 cm long. Leaf blade linear, 7–38 cm long, 0.6–1.8 mm wide, apex acuminate, glabrous to scabrid Leaf sheath brownishgreen, 1.8–4 cm long. Leaves up to 40 cm long.
    Spikelets
    Spikelets 1–10 per cluster, sessile, lanceolate-ovoid, 3.5–5 mm long, 0.7–1.5 mm wide, 1–2-flowered.
    Glume
    Glumes 4–5 per spikelet, brown, ovate; non-flower bearing glumes 2.1–2.6 mm long, 1.2–1.5 mm wide. Flower-bearing glume 3–4.4 mm long, 1.4–2 mm wide, glabrous, keel acute, 1-veined, apex longacuminate to awned
    Perianth
    Perianth bristles absent
    Stamens
    Stamens 2.
    Filaments
    Filaments 2.8–4 mm long.
    Anthers
    Anthers 1.7–1.8 mm long
    Fruits
    Nutlet (whitish-)grey, obovoid, 1.1–1.5 mm long, 1.2–1.4 mm wide, strongly transversely rugose.
    Style
    Stylebase decurrent, 0.2–0.7 mm long. Style with 2 long branches
    Ecology
    Swamp areas, roadside ditches, alongside streams and in damp places; sea-level up to 1700 m
    Conservation
    Least Concern (LC) due to its wide distribution and common habit.
    Note
    This species is easy to recognize based on its characteristic nutlet, with its strong transversely wrinkled, rugose surface and its decurrent style-base.
    Distribution
    Range: Senegal, Guinea, Burkina Faso, Sierra Leone, Liberia, Central African Republic, Congo-Kinshasa, Zambia, Botswana, Swaziland, South Africa; Madagascar Flora districts: K7 T5 T6 T7 T8 Z

    Images

    Distribution

    Native to:

    Botswana, Burkina, Cameroon, Central African Repu, Congo, Gabon, Guinea, Guinea-Bissau, Ivory Coast, Kenya, KwaZulu-Natal, Liberia, Madagascar, Nigeria, Senegal, Sierra Leone, Swaziland, Tanzania, Togo, Zambia, Zaïre, Zimbabwe

    Synonyms

    Other Data

    Rhynchospora perrieri Cherm. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Bidgood, S. [5691], Tanzania K000468733

    Bibliography

    First published in Bull. Soc. Bot. France 69: 721 (1923)

    Accepted by

    • Lye, K.A. & Thery, P. (2012). Flore du Gabon 44: 1-230. Muséum National D'Histoire Naturelle, Paris.
    • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.
    • Lejoy, J., Ndjele, M.-B. & Geerinck, D. (2010). Catalogue-flore des plantes vasculaires des districts de Kisangani et de la Tshopo (RD Congo) Taxonomania. Revue de Taxonomie et de Nomenclature Botaniques 30: 1-307.
    • Govaerts, R. & Simpson, D.A. (2007). World Checklist of Cyperaceae. Sedges: 1-765. The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Govaerts, R. (2004). World Checklist of Monocotyledons Database in ACCESS: 1-54382. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Flora of West Tropical Africa

    • Berhaut, Fl. Sén. ed. 2, 360 (1967)
    • J. & A. Raynal in Adansonia, sér. 2: 322 (1967).
    • Robinson in Kirkia 1: 40 (1961)
    • Kük. in Bngl., Bot. Jahrb. 75: 279 (1950)
    • in Bull. Soc. Bot. Fr. 69: 721 (1922)

    Kew Backbone Distributions

    • Lye, K.A. & Thery, P. (2012). Flore du Gabon 44: 1-230. Muséum National D'Histoire Naturelle, Paris.
    • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.
    • Lejoy, J., Ndjele, M.-B. & Geerinck, D. (2010). Catalogue-flore des plantes vasculaires des districts de Kisangani et de la Tshopo (RD Congo) Taxonomania. Revue de Taxonomie et de Nomenclature Botaniques 30: 1-307.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.

    Flora of Tropical East Africa

    • Haines & Lye, Sedges & Rushes E. Afr.: 319 (1983).
    • Bull. Soc. Bot. Fr. 69: 721 (1923)

    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

    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.

    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/