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  1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Butia (Becc.) Becc.
      1. Butia yatay (Mart.) Becc.

        This species is accepted, and its native range is Brazil (Rio Grande do Sul) to NE. Argentina.

    [PW]
    General Description
    Trees (2-) 8-12 m tall, about 40 em in diam., old petiole bases persistent on trunk when young, eventually dehiscing completely; sheathing base 58-60 em long, petiole 50-70 cm long, margins armed with coarse spiny teeth about 3 cm long on lower part, teeth becoming gradually smaller on upper part; rachis of leaf 170-200 em long, pinnae 68-72 in each side, regularly arranged, middle ones 75-81 cm long, 2.0-2.4 cm wide, mostly with acute, asymmetrical tips; expanded part of spathe 115-125 cm long, 10-12 em wide, smooth or striate, more or less glaucous outside; branched part of spadix 78-82 cm long, rachillae numerous (100 or more), each 30-32 em long; pistillate flowers ovoid, 10-16 mm long, 6-10 mm in diam.; lower staminate flowers 8-13 mm long, those above 5-8 mm long; mature fruit ovoid 3.0-4.2 cm long, 2.5-2.8 cm in diam., with prominent, conical beak, persistent perianth 1.8-2.2 cm high, locules 1-3, seeds 2.5-3.0 cm long, 1.2-1.4 cm in diam.
    Vernacular
    Yatay.
    Distribution
    Native to northeastern Argentina in the provinces of Misiones, Santa Fe, Corrientes, and Entre Rios, forming great forests in sandy areas; and to Uruguay in the departments of Paysandli and Rio Negro, in sandy soils.

    Images

    Distribution

    Native to:

    Argentina Northeast, Brazil South, Uruguay

    Synonyms

    Other Data

    Butia yatay (Mart.) Becc. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Castellanos [31/974], Argentina 22419.000
    Renvoize, S.A. [3680], Argentina 40171.000
    Bartlett [21175], Uruguay K000520370

    Bibliography

    First published in Agric. Colon. 10: 498 (1916)

    Accepted by

    • Lorenzi, H., Noblick, L.R., Kahn, F. & Ferreira, E. (2010). Brazilian Flora Arecaceae (Palms): 1-268. Instituto Plantarum de Estudos da Flora LTDA, São Paulo, Brazil.
    • Govaerts, R. & Dransfield, J. (2005). World Checklist of Palms: 1-223. The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Govaerts, R. (1996). World Checklist of Seed Plants 2(1, 2): 1-492. MIM, Deurne.

    Literature

    Palmweb - Palms of the World Online

    • S.F. Glassman, Re-evaluation of the Genus Butia With a Description of a New Species. 1979

    Sources

    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

    Neotropikey
    Milliken, W., Klitgard, B. and Baracat, A. (2009 onwards), Neotropikey - Interactive key and information resources for flowering plants of the Neotropics.
    http://creativecommons.org/licenses/by/3.0

    Palmweb - Palms of the World Online
    Palmweb 2011. Palmweb: Palms of the World Online. Published on the internet http://www.palmweb.org. Accessed on 21/04/2013
    Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License http://creativecommons.org/licenses/by-nc-sa/3.0