1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Calamus L.
      1. Calamus beccarii A.J.Hend.

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

    [PW]
    General Description
    Stems clustered, to 50 m long and 4 cm diameter (with leaf sheaths). Leaf sheaths brown, covered with black, needle-like, horizontally spreading spines to 2.5 cm long, these arranged in short rows, interspersed with shorter spines to 0.5 cm long; knees obscure; ocreas present, densely spiny; flagella present, to 2.5 m long, with groups of grapnel-like spines abaxially; petioles to 22 cm long, sparsely covered with stout, yellowish spines to 1 cm long; rachis to 0.8 m long, abaxially with solitary, recurved, grapnel-like spines; pinnae 30-62 per side of rachis, linear, closely spaced to 2 cm apart, to 40 cm long and 1.5 cm wide, with minute spines on the veins abaxially and adaxially; cirri absent. Inflorescences to 3 m long; staminate inflorescences branched to two orders, flagellate, the bracts closely sheathing the main axis and with curved spines abaxially; rachillae 5-9 cm long, inserted above the mouth of the sheathing bract; rachillae bracts distichously arranged; floral bracteole cupular, tomentose along the margins; staminate flowers to 4.5 mm long, to 38 per rachilla, arranged alternately and distichously along the rachillae; calyx 4 mm long, tubular except for the 3-lobed apex; corolla 4 mm long, with 3 valvate petals free to the base; stamens 6; anthers dorsifixed; pistillode 1 mm long, 3-lobed; pistillate inflorescences branched to two orders; rachillae 4-10 cm long; rachillae bracts distichously arranged; distal floral bracteole with a small lateral depression bearing sterile staminate flower; pistillate flowers to 22 per rachilla, borne alternately and distichously along the rachillae; sepals to 4 mm long, connate basally, lobed above; petals to 3 mm long, free; fruits globose-ellipsoid, to 2 cm long includin g a short beak, to 1.2 cm diameter; scales fringed, yellowish-brown; endosperm homogeneous.
    Diagnostic
    Ab omnibus speciebus generis Formosae flagello praesenti et cirrho absenti differt.
    Distribution
    Taiwan, in Kaohsiung and Pingtung counties.
    Biology
    In lowland rainforest at low elevations.
    Vernacular
    Tu-teng.

    Images

    Distribution

    Calamus beccarii A.J.Hend. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Oct 30, 2006 Henry, A. [521 A], Taiwan K000697951 isotype
    Oct 30, 2006 Henry, A. [521 A], Taiwan K000697950 isotype

    First published in Taiwania 50: 222 (2005)

    Accepted by

    • Kuo, M.L. (ed.) (2012). Flora of Taiwan, ed. 2, Suppl.: 1-414. Editorial Committee of the Flora of Taiwan, Second Edition, National Taiwan University.
    • 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.

    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