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

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

    [PW]
    General Description
    Clustering moderate high-climbing rattan with stems to 25 m or more; stem without sheaths to 18 mm (usually less), with sheaths to 35 mm; internodes to 18 cm. Sheaths dark green, armed with abundant brown, pale green-based spines, usually of two types, large scattered spines to 30 × 7 mm and smaller spines to 7 × 3 mm, the smaller frequently arranged in partial whorls or oblique groups (rarely the spines of only one type); pale brown indumentum abundant. Knee conspicuous, armed with small spines. Ocrea inconspicuous, low, membranous. Flagellum to 3 m, heavily armed. Leaf ecirrate, curving, to 1.2 m including petiole 10-20 cm; petiole usually armed with short lateral spines; leaflets 12-20 one each side of the rachis, curving, regularly arranged, rather distant, usually lanceolate, rarely linear; proximal leaflets to 35 × 2 cm, middle leaflets 35-45 × 3-7 cm, apical leaflets to 23 × 2.5 cm; lower leaflet surface bristly along main veins; transverse veinlets conspicuous. Male and female inflorescences superficially similar, flagellate, usually pendulous, to 3 m, bracts tubular, tightly sheathing, scabrid; male rachillae to 5 cm, somewhat zigzag, bearing distichous male flowers; female rachillae 10-14 cm with very sparse female flowers. Ripe fruit ovoid to 12 × 9 mm with a beak to 2.5 mm, and covered in 15 vertical rows of pale brown, darker-margined scales. seed to 9 × 7 × 5 mm, deeply pitted, the endosperm subruminate. Seedling leaf unknown.
    Distribution
    Local throughout Brunei. Elsewhere in Sabah and E Kalimantan.
    [PW]
    Use
    Not recorded, though the cane appears to be of good quality.

    Images

    Distribution

    Calamus sabensis Becc. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Ridley, H.N. [9038], Sabah K000207850 holotype
    Ridley, H.N. [9038], Sabah K000207851 holotype
    Apr 14, 2005 Watanabe, N.M. [NMW43], Indonesia Calamus praetermissus K000209394
    May 26, 1994 Ambri [AA506], Indonesia Calamus praetermissus K000521581
    Dec 16, 1993 Stockdale, M.C. [MCS410], Indonesia Calamus praetermissus K000521559
    Dec 16, 1993 Stockdale, M.C. [MCS459], Indonesia Calamus praetermissus K000521560
    Dec 15, 1993 Tadong [166], Malaysia Calamus praetermissus K000521579
    May 6, 1992 Van Valkenburg [JVV1005], Indonesia Calamus praetermissus K000521577
    Jan 31, 1992 Stockdale, M.C. [MCS79], Indonesia Calamus praetermissus K000521567
    Jan 31, 1992 Stockdale, M.C. [MCS98], Indonesia Calamus praetermissus K000521575
    Jan 31, 1992 Stockdale, M.C. [MCS139], Indonesia Calamus praetermissus K000521571
    Oct 5, 1990 Sundaling [SAN124604], Malaysia Calamus praetermissus K000521554
    Dec 10, 1985 Auggana [IDRC050], Indonesia Calamus praetermissus K000521558
    Mar 2, 1982 Mogea, J.P. [2599], Indonesia Calamus praetermissus K000521555
    Mar 2, 1982 Mogea, J.P. [2724], Indonesia Calamus praetermissus K000521570
    Jun 2, 1980 Dransfield, J. [JD5610], Malaysia Calamus praetermissus K000521572
    Jun 2, 1980 Dransfield, J. [JD5586], Malaysia Calamus praetermissus K000521562
    Jun 2, 1980 Dransfield, J. [JD5732], Malaysia Calamus praetermissus K000521576
    Jun 2, 1980 Dransfield, J. [JD5749], Malaysia Calamus praetermissus K000521564
    Jun 2, 1980 Dransfield, J. [JD5605], Malaysia Calamus praetermissus K000521578
    Jun 2, 1980 Castro [1629], Malaysia Calamus praetermissus K000521561
    Jun 2, 1980 Enggoh [7434], Malaysia Calamus praetermissus K000521557
    Jun 2, 1980 Puasa [7405], Malaysia Calamus praetermissus K000521573
    Jun 2, 1980 Cuadra [A241], Malaysia Calamus praetermissus K000521568
    Jun 2, 1980 Chai, M. [SAN29718], Malaysia Calamus praetermissus K000521580
    Dransfield, J. [JD5587], Sabah Calamus praetermissus K000207844 holotype
    Dransfield, J. [6630], Brunei Calamus praetermissus K000521565
    Wong, K.M. [1735], Brunei Calamus praetermissus K000521563
    Baker, W.J. [557], Malaysia Calamus praetermissus K000521574
    Baker, W.J. [521], Brunei Calamus praetermissus K000114467
    Andersen, J. [160], Malaysia Calamus praetermissus K000114096
    Andersen, J. [230], Malaysia Calamus praetermissus K000114145
    Stockdale, M.C. [MCS27], Brunei Calamus praetermissus K000521566
    Stockdale, M.C. [MCS43], Brunei Calamus praetermissus K000521569
    Bakia [15], Malaysia Calamus praetermissus K000521556

    First published in Ann. Roy. Bot. Gard. (Calcutta) 11(1): 245 (1908)

    Accepted by

    • 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.

    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