1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Calamus L.
      1. Calamus microstachys (Becc.) W.J.Baker

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

    [PW]
    Vernacular
    Wi Duduk (Ib.)
    General Description
    Clustering ± stemless rattan with a decumbent or short erect stem not exceeding 1 m tall; stem without sheaths c. 20 mm diam., with sheaths to 50 mm diam., frequently less, internodes short, c. 2 cm long. Sheaths dull green with abundant mid to dark brown indumentum and armed with upward-pointing or horizontal spines from 3-30 mm long, those at the base of the petiole generally upward-pointing and much longer; knee absent. Leaf ecirrate to 2 m long, rarely more, usually much less; petiole to 35 cm, armed with abundant long horizontal spines, scattered or in whorls, to 3 cm; leaflets to 35 on each side of the rachis, regularly arranged, the longest to 27 × 2.5 cm, usually less. Inflorescences usually borne on a slender peduncle arching out of the crown, to 20 cm long; partial inflorescences usually ± congested into a head at the end of the peduncle; female rachillae rusty tomentose, to 4 cm, male similar, to c. 2 cm. Mature fruit globose or top-shaped, to 10 × 8 mm and covered in 15-16 vertical rows of green turning straw-coloured or brown scales. Seed globose, c. 7 mm diam.; endosperm deeply ruminate. Seedling leaf not known. (Fig. 16).
    Distribution
    Found scattered throughout Brunei. Elsewhere throughout Borneo. Endemic.

    Images

    Distribution

    Calamus microstachys (Becc.) W.J.Baker appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Apr 14, 2005 Watanabe, N.M. [NMW1], Indonesia Daemonorops microstachys K000209383
    Apr 14, 2005 Watanabe, N.M. [NMW95], Brunei Daemonorops microstachys K000209428
    Aug 16, 2002 Julaihi [S 76976], Malaysia Daemonorops microstachys K000114451
    Aug 16, 2002 Julaihi [S 76927], Malaysia Daemonorops microstachys K000114440
    Apr 19, 2002 Lai [74201], Malaysia Daemonorops microstachys K000030649
    Aug 2, 2001 Munting [S.55608], Malaysia Daemonorops microstachys K000114272
    Feb 26, 2001 Andersen, J. [226], Malaysia Daemonorops microstachys K000114144
    Oct 17, 1997 Afriastini, J.J. [2661], Indonesia Daemonorops microstachys K000520827
    Feb 12, 1997 Church [2406], Indonesia Daemonorops microstachys K000520830
    Dec 17, 1993 Sundaling [SAN134905], Malaysia Daemonorops microstachys K000520814
    Dec 15, 1993 Soibeh [327], Malaysia Daemonorops microstachys K000520874
    Dec 15, 1993 Soibeh [347], Malaysia Daemonorops microstachys K000520873
    Dec 15, 1993 Soibeh [348], Malaysia Daemonorops microstachys K000520872
    Dec 15, 1993 Soibeh [342], Malaysia Daemonorops microstachys K000520829
    Dec 15, 1993 Sibil [164], Malaysia Daemonorops microstachys K000520878
    Dec 15, 1993 Sambuling [2], Malaysia Daemonorops microstachys K000520869
    Jun 3, 1992 Nielsen [1105], Brunei Daemonorops microstachys K000520853
    Jun 3, 1992 Balslev, H. [1085], Brunei Daemonorops microstachys K000520852
    Jan 31, 1992 Stockdale, M.J. [MCS88], Indonesia Daemonorops microstachys K000520861
    Dec 17, 1991 Yii, P.C. [S46016], Malaysia Daemonorops microstachys K000520819
    Jul 25, 1991 Awa [S46694], Malaysia Daemonorops microstachys K000520818
    Jun 15, 1990 Hock [S53849], Malaysia Daemonorops microstachys K000520823
    Mar 1, 1989 Hock [S53848], Malaysia Daemonorops microstachys K000520831
    Feb 24, 1989 Hock [S54103], Malaysia Daemonorops microstachys K000520820
    Aug 20, 1987 Banyeng [S43690], Malaysia Daemonorops microstachys K000520845
    Feb 11, 1987 Beaman, J. [10555], Malaysia Daemonorops microstachys K000520849
    Aug 29, 1985 Sundaling [SAN99468], Malaysia Daemonorops microstachys K000520851
    Jan 1, 1985 Lee [S44030], Malaysia Daemonorops microstachys K000520854
    Dec 17, 1984 Mogea, J.P. [4255], Indonesia Daemonorops microstachys K000520862
    Dec 8, 1983 Ashton, P. [S19772], Malaysia Daemonorops microstachys K000520841
    Dec 8, 1983 Ashton, P. [S13997], Malaysia Daemonorops microstachys K000520856
    Dec 8, 1983 Wright [S24000], Malaysia Daemonorops microstachys K000520822
    Dec 8, 1983 Dransfield, J. [JD5326], Malaysia Daemonorops microstachys K000520868
    Dec 8, 1983 Unyong [S21221], Malaysia Daemonorops microstachys K000520850
    Dec 8, 1983 Kudi [S23752], Malaysia Daemonorops microstachys K000520857
    Aug 13, 1982 Dransfield, J. [JD5866], Malaysia Daemonorops microstachys K000520864
    Aug 13, 1982 Dransfield, J. [JD5905], Malaysia Daemonorops microstachys K000520840
    Aug 13, 1982 Dransfield, J. [JD5925], Malaysia Daemonorops microstachys K000520838
    Aug 13, 1982 Dransfield, J. [JD5943], Malaysia Daemonorops microstachys K000520837
    Aug 13, 1982 Dransfield, J. [JD6030], Malaysia Daemonorops microstachys K000520836
    Aug 13, 1982 Dransfield, J. [JD6113], Malaysia Daemonorops microstachys K000520865
    Aug 13, 1982 Dransfield, J. [JD6114], Malaysia Daemonorops microstachys K000520848
    Feb 3, 1981 Dransfield, J. [JD5622], Malaysia Daemonorops microstachys K000520839
    Feb 3, 1981 Dransfield, J. [JD5652], Malaysia Daemonorops microstachys K000520835
    Feb 3, 1981 Dransfield, J. [JD5785], Malaysia Daemonorops microstachys K000520834
    Feb 3, 1981 Dransfield, J. [JD5786], Malaysia Daemonorops microstachys K000520843
    Feb 3, 1981 Dransfield, J. [JD5515], Malaysia Daemonorops microstachys K000520867
    Feb 3, 1981 Dransfield, J. [JD5618], Malaysia Daemonorops microstachys K000520860
    Jan 19, 1979 Dransfield, J. [JD5300], Malaysia Daemonorops microstachys K000520855
    Jan 19, 1979 Dransfield, J. [JD5325], Malaysia Daemonorops microstachys K000520866
    Jan 16, 1979 Moore, H.E. [9099], Malaysia Daemonorops microstachys K000520833
    Aug 17, 1978 Paie [S36977], Malaysia Daemonorops microstachys K000520847
    Aug 17, 1978 Ilias [S38472], Malaysia Daemonorops microstachys K000520821
    Jun 16, 1976 Dransfield, J. [JD4743], Malaysia Daemonorops microstachys K000520842
    Jun 16, 1976 Dransfield, J. [JD4636], Malaysia Daemonorops microstachys K000520846
    May 16, 1975 Wood [455], Malaysia Daemonorops microstachys K000520858
    Sands, M.J.S. [5457], Brunei Daemonorops microstachys K000520816
    Ashton, P. [21572], Brunei Daemonorops microstachys K000520817
    Dransfield, J. [6670], Brunei Daemonorops microstachys K000520832
    Dransfield, J. [7380], Brunei Daemonorops microstachys K000520825
    Dransfield, J. [4659], Malaysia Daemonorops microstachys K000520815
    Wong, K.M. [1390], Brunei Daemonorops microstachys K000520813
    Simpson [2127], Brunei Daemonorops microstachys K000520863
    Lee [S54529], Malaysia Daemonorops microstachys K000520844
    Christensen [191], Malaysia Daemonorops microstachys K000520824
    Kirkup, D.W. [468], Brunei Daemonorops microstachys K000520826
    Hewitt [s.n.6], Malaysia Daemonorops microstachys K000520810
    Hewitt [s.n.6], Malaysia Daemonorops microstachys K000520811
    Hewitt [s.n.6], Malaysia Daemonorops microstachys K000520812
    Diwol, S. [135131], Malaysia Daemonorops microstachys K000520859
    Soibeh [325], Malaysia Daemonorops microstachys K000520828
    Stockdale, M. [53], Brunei Daemonorops microstachys K000520870
    Stockdale, M. [63], Brunei Daemonorops microstachys K000520871
    Stockdale, M. [62], Brunei Daemonorops microstachys K000520875
    B. Perumal [135032], Malaysia Daemonorops microstachys K000113682
    Lobb, T. [111], Malaysia Daemonorops microstachys K000208167 holotype
    Lobb, T. [111], Malaysia Daemonorops microstachys K000208166 holotype

    First published in Phytotaxa 197(2): 146 (2015)

    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