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Madagascar Catalogue | Family List | Poales | Xyridaceae | Xyris | Species Page


Xyris anceps Lam.
    Tabl. Encycl. 1: 132 (1791).

  • Xyris insularis Steud.
  • Xyris platicaulis Poir.
  • Xyris thompsonii Rendle

    Distribution: Madagascar, The Comoros, Africa

    Bioclimate: Humid

    Vegetation Formation: Freshwater Wetland, Saline Wetland, Inselberg/Rock Face, Anthropic, Coastal Dunes

    Elevation (m): 0-499, 500-999

    Province: Antsiranana, Fianarantsoa, Mahajanga, Toamasina, Toliara

    Important sites outside protected areas: Ile Ste Marie

    Note: Variable species, the Malagasy type and other specimens generally matching the equally variable African material well, but highly diminutive plants are difficult to distinguish from X. humilis or may possibly grade into this species. In Africa two varieties have been recognized, differing in size, but these seem to be ranges in a continuum rather than distinct entities, and are not recognized here until further work can be undertaken. The species is probably naturalized in the New World.

    Type(s) of syns and other voucher(s): COMMERSON s.n. (P)

    Updated on: 12 Feb. 2008


     

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