1. Family: Dioscoreaceae R.Br.
    1. Genus: Dioscorea Plum. ex L.
      1. Dioscorea polystachya Turcz.

        This species is accepted, and its native range is Central & S. China to Kuril Islands and Taiwan.

    Images

    Distribution

    Native to:

    China North-Central, China South-Central, China Southeast, Korea, Kuril Is., Taiwan

    Introduced into:

    Alabama, Arkansas, Connecticut, District of Columbia, Florida, Georgia, Illinois, Indiana, Japan, Kansas, Kentucky, Louisiana, Maryland, Masachusettes, Mississippi, Missouri, Nansei-shoto, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Uruguay, Vermont, Virginia, West Himalaya, West Virginia

    Dioscorea polystachya Turcz. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    s.coll [s.n.], Vanuatu K001150832
    s.coll [s.n.] K001150833
    Wilson, E.H. [2922], China Dioscorea potaninii K001141749
    Wang, F.T. [22242], China Dioscorea potaninii K001141748
    Schindler, A.K. [143], China Dioscorea potaninii K001141747
    Potanin, G.N. [sn], China Dioscorea potaninii K000098149 Unknown type material
    Henry, A. [878], Taiwan Dioscorea doryphora K001141743
    Henry, A. [1672], Taiwan Dioscorea doryphora K001141744
    Henry, A. [1922], Taiwan Dioscorea doryphora K001141745
    Henry, A. [1922], Taiwan Dioscorea doryphora K001141746
    Swinhoe, R. [33], Taiwan Dioscorea doryphora K000098133 holotype
    s.coll [583] Dioscorea doryphora K001141741

    First published in Bull. Soc. Imp. Naturalistes Moscou 7: 158 (1837)

    Accepted by

    • Iwatsuki, K., Boufford, D.E. & Ohba, H. (2016). Flora of Japan IVb: 1-335. Kodansha Ltd., Tokyo.
    • Chang, C.S., Kim, H. & Chang, K.S. (2014). Provisional checklist of vascular plants for the Korea peninsula flora (KPF): 1-660. DESIGNPOST.
    • Govaerts, R., Wilkin, P. & Saunders, R.M.K. (2007). World Checklist of Dioscoreales. Yams and their allies: 1-65. The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Flora of North America Editorial Committee (2002). Flora of North America North of Mexico 26: 1-723. Oxford University Press, New York, Oxford.
    • Zhengyi, W. & Raven, P.H. (eds.) (2000). Flora of China 24: 1-431. Missouri Botanical Garden Press, St. Louis.
    • Govaerts, R. (2000). World Checklist of Seed Plants Database in ACCESS D: 1-30141.

    Literature

    Kew Backbone Distributions
    • Iwatsuki, K., Boufford, D.E. & Ohba, H. (2016). Flora of Japan IVb: 1-335. Kodansha Ltd., Tokyo.

    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.
    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 2019. 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 2019. 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/