1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Calamus L.
      1. Calamus formosanus Becc.

        This species is accepted, and its native range is Taiwan.

    [PW]
    Distribution
    Taiwan, widely distributed in lowland to montane rainforest, to 1000 m elevation
    Vernacular
    Huang-teng.
    General Description
    Stems clustered, to 20 m long and 5 cm diameter (with leaf sheaths); leaf sheaths yellowish-brown, densely covered with flattened, yellowish, upward-pointing spines to 2 cm long; knees prominent, swollen, spiny; ocreas short or absent; flagella absent; petioles short or absent; pinnae 18-19 per side of rachis, broadly lanceolate, irrregularly arranged (regularly arranged on young plants), distantly spaced 5-8 cm apart; cirri present. Inflorescence bracts tightly sheathing; fruits pedicellate, ellipsoid, to 2 cm long and 1 cm diameter, yellowish-brown.

    Images

    Distribution

    Calamus formosanus Becc. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Oct 30, 2006 Oldham, R. [629], Taiwan K000697948 Unknown type material
    Oct 30, 2006 Oldham, R. [629], Taiwan K000697949 Unknown type material
    Mar 10, 1978 Wilson, E.H. [11112], Korea K000697945
    Mar 10, 1978 Wilson, E.H. [11112], Korea K000697946 isotype
    Mar 10, 1978 Wilson, E.H. [11112], Korea K000697947 isotype

    First published in Rec. Bot. Surv. India 2: 211 (1902)

    Accepted by

    • Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis.
    • Henderson, A. (2009). Palms of Southern Asia: 1-197. Princeton university press, Princeton and Oxford.
    • Govaerts, R. & Dransfield, J. (2005). World Checklist of Palms: 1-223. The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.

    Literature

    Palmweb - Palms of the World Online
    • Henderson, A.J., A New Species of Calamus (Palmae) from Taiwan in Taiwania 50(3). 2005

    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

    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