1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Calamus L.
      1. Calamus periacanthus (Miq.) Miq.

        This species is accepted, and its native range is W. Malesia.

    [PW]
    General Description
    Robust clustering rattan with stems climbing to 10 m tall, rarely more, sometimes very short-stemmed; stem without sheaths 15-30 mm, with sheaths 30-80 mm diam., internodes to 35 cm long, very rarely much shorter in short-stemmed forms. Sheath bright green, but very densely covered with bright yellow brown, black-tipped spines of varying length, the longest to 6 cm, pointing in several directions, and dense brown indumentum, spines around the sheath mouth upward pointing, to 8 cm long; knee usually prominent (absent in short-stemmed forms), armed as the sheath but spines reflexed. Leaflets to 45 on each side of the rachis, irregularly arranged in rather distant groups of 2-7, the longest leaflets to c. 40 × 3 cm, bristly near the tip. Inflorescences to 1 m, including the peduncle to 50 cm, each bearing up to 10 partial inflorescences, each subtended by a leathery, bristly, brown hairy bract, falling at anthesis, the bracts to 30 × 4 cm; rachillae conspicuously brown tomentose. Mature fruit rounded or very slightly obpyriform, to 22 mm diam., covered in 15 vertical rows of pale straw-coloured to pale brown pink-tinged scales. Seed rounded to 15 mm diam.; endosperm deeply ruminate. Seedling leaf not known. (Fig. 27).
    Distribution
    Widespread throughout Brunei. Elsewhere throughout Borneo, also in Sumatra and Johor.
    Vernacular
    Uwai Lambat (Br.,Dus.), Wi Empunok (Ib.)

    Images

    Distribution

    Native to:

    Borneo, Malaya, Sumatera

    Calamus periacanthus (Miq.) Miq. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Apr 19, 2002 Mohizah, Y. [73018], Malaysia Daemonorops periacantha K000030630
    Jul 21, 2000 Salleh [BRUN15331], Brunei Daemonorops periacantha K000113163
    Jun 25, 1999 Jinuan, J. [72], Malaysia Daemonorops periacantha K000521117
    Jan 1, 1996 Rantai [74254], Malaysia Daemonorops periacantha K000030655
    Jun 3, 1992 Nielsen, I. [1084], Brunei Daemonorops periacantha K000521114
    Jul 25, 1991 Awa [S46674], Malaysia Daemonorops periacantha K000521093
    Jul 25, 1991 Awa [S46726], Malaysia Daemonorops periacantha K000521128
    Oct 5, 1990 Sundaling [SAN124662], Malaysia Daemonorops periacantha K000521089
    Oct 5, 1990 Dewol [SAN124087], Malaysia Daemonorops periacantha K000521095
    Jun 8, 1990 Hock [S53836], Malaysia Daemonorops periacantha K000521115
    Apr 25, 1988 Lamb [ALFB77], Malaysia Daemonorops periacantha K000521127
    Dec 8, 1983 Hewitt, J. [s.n.], Malaysia Daemonorops periacantha K000208097 holotype
    Dec 8, 1983 Hewitt, J. [s.n.], Malaysia Daemonorops periacantha K000208096 holotype
    Apr 10, 1980 Abas [SAN85866], Malaysia Daemonorops periacantha K000521092
    Apr 10, 1980 Abas [SAN85882], Malaysia Daemonorops periacantha K000521104
    Apr 10, 1980 Abas [SAN86032], Malaysia Daemonorops periacantha K000521103
    Oct 24, 1979 Dransfield, J. [JD5802], Malaysia Daemonorops periacantha K000521119
    Sep 6, 1979 Dransfield, J. [JD5614], Malaysia Daemonorops periacantha K000521106
    Sep 6, 1979 Dransfield, J. [JD5608], Malaysia Daemonorops periacantha K000521109
    Dec 18, 1978 Whitmore, T. [TCW3126], Malaysia Daemonorops periacantha K000521108
    Dec 18, 1978 Whitmore, T. [TCW3140], Malaysia Daemonorops periacantha K000521101
    Sep 28, 1978 Chai [S39561], Malaysia Daemonorops periacantha K000521107
    Sep 28, 1978 Ching [S39584], Malaysia Daemonorops periacantha K000521087
    Aug 15, 1978 Chew [CWL962], Malaysia Daemonorops periacantha K000521066
    Oct 29, 1977 Lee [S39408], Malaysia Daemonorops periacantha K000521126
    Oct 29, 1977 Paie [S39159], Malaysia Daemonorops periacantha K000521091
    Oct 29, 1977 Jawa [S36604], Malaysia Daemonorops periacantha K000521099
    Jul 8, 1976 Paie [S37180], Malaysia Daemonorops periacantha K000521098
    May 11, 1976 Mamit [S35240], Malaysia Daemonorops periacantha K000521110
    Nov 26, 1975 Nyudong [S19398], Malaysia Daemonorops periacantha K000521112
    Aug 15, 1975 Dransfield, J. [JD4723], Malaysia Daemonorops periacantha K000521105
    May 19, 1975 Paie [S24361], Malaysia Daemonorops periacantha K000521100
    May 16, 1975 Moore, H.E. [9116], Malaysia Daemonorops periacantha K000521090
    May 16, 1975 Jacobs [5595], Brunei Daemonorops periacantha K000521067
    May 16, 1975 Jacobs [5595], Brunei Daemonorops periacantha K000521068
    May 16, 1975 Jacobs [5595], Brunei Daemonorops periacantha K000521069
    May 8, 1975 Ashton, P. [S22011], Malaysia Daemonorops periacantha K000521102
    May 8, 1975 Haron [S21303], Malaysia Daemonorops periacantha K000521111
    Jan 28, 1975 Chai [S18007], Malaysia Daemonorops periacantha K000521125
    Jan 28, 1975 Luang [S25197], Malaysia Daemonorops periacantha K000521122
    Feb 1, 1974 Toroes, R.S. [4508], Indonesia Daemonorops periacantha K000521118
    Jan 1, 1974 Toroes, R.S. [4211], Indonesia Daemonorops periacantha K000521049
    Jan 1, 1974 Toroes, R.S. [4207], Indonesia Daemonorops periacantha K000521052
    Jan 1, 1974 Toroes, R.S. [4211], Indonesia Daemonorops periacantha K000521050
    Jan 1, 1974 Toroes, R.S. [4211], Indonesia Daemonorops periacantha K000521051
    Jan 1, 1974 Toroes, R.S. [4207], Indonesia Daemonorops periacantha K000521054
    Jan 1, 1974 Toroes, R.S. [4207], Indonesia Daemonorops periacantha K000521055
    Jan 1, 1974 Toroes, R.S. [4207], Indonesia Daemonorops periacantha K000521056
    Jan 1, 1974 Toroes, R.S. [4259], Indonesia Daemonorops periacantha K000521046
    Jan 1, 1974 Toroes, R.S. [4259], Indonesia Daemonorops periacantha K000521047
    Jan 1, 1974 Toroes, R.S. [4259], Indonesia Daemonorops periacantha K000521048
    Jan 1, 1974 Bartlett [8668], Indonesia Daemonorops periacantha K000521073
    Jan 1, 1974 Bartlett [8668], Indonesia Daemonorops periacantha K000521074
    Jan 1, 1974 Bartlett [8668], Indonesia Daemonorops periacantha K000521075
    Jan 1, 1974 Bartlett [8668], Indonesia Daemonorops periacantha K000521076
    Jan 1, 1974 Bartlett [8668], Indonesia Daemonorops periacantha K000521077
    Jan 1, 1974 Bartlett [8668], Indonesia Daemonorops periacantha K000521078
    Jan 1, 1974 Bartlett [8668], Indonesia Daemonorops periacantha K000521079
    Jun 21, 1973 Toroes, R.S. [4537], Indonesia Daemonorops periacantha K000521057
    Jun 21, 1973 Toroes, R.S. [4537], Indonesia Daemonorops periacantha K000521058
    Jun 21, 1973 Toroes, R.S. [4537], Indonesia Daemonorops periacantha K000521059
    Jun 21, 1973 Toroes, R.S. [4537], Indonesia Daemonorops periacantha K000521060
    Jun 21, 1973 Toroes, R.S. [4537], Indonesia Daemonorops periacantha K000521061
    Nov 1, 1967 Bartlett [7179], Indonesia Daemonorops periacantha K000521070
    Nov 1, 1967 Bartlett [7179], Indonesia Daemonorops periacantha K000521071
    Nov 1, 1967 Bartlett [7179], Indonesia Daemonorops periacantha K000521072
    Feb 22, 1955 Tomlinson [10], Malaysia Daemonorops periacantha K000521088
    Mar 23, 1934 Hose [706], Malaysia Daemonorops periacantha K000521082
    Mar 23, 1934 Hose [706], Malaysia Daemonorops periacantha K000521083
    Coode, M. [7280], Brunei Daemonorops periacantha K000521124
    Wong, K.M. [609], Brunei Daemonorops periacantha K000521120
    Wong, K.M. [321], Brunei Daemonorops periacantha K000521121
    Lobb [112], Malaysia Daemonorops periacantha K000521062
    Lobb [110], Malaysia Daemonorops periacantha K000521063
    Lobb [s.n.] Daemonorops periacantha K000521064
    Lobb [s.n.] Daemonorops periacantha K000521065
    Baker, W.J. [527], Brunei Daemonorops periacantha K000114476
    Beccari, O. [PB248], Malaysia Daemonorops periacantha K000521084
    Beccari, O. [PB248], Malaysia Daemonorops periacantha K000521085
    Beccari, O. [PB248], Malaysia Daemonorops periacantha K000521086
    Said [BRUN15284], Brunei Daemonorops periacantha K000113130
    Sundaling [SAN92390], Malaysia Daemonorops periacantha K000521097
    Sundaling [SAN93665], Malaysia Daemonorops periacantha K000521094
    Dewol [SAN109327], Malaysia Daemonorops periacantha K000521123
    Andersen, J. [165], Malaysia Daemonorops periacantha K000114099
    Andersen, J. [172], Malaysia Daemonorops periacantha K000114093
    Giking [122], Malaysia Daemonorops periacantha K000521113
    Stockdale, M. [7], Brunei Daemonorops periacantha K000521116
    Baja-Lapis, A. [S287], Malaysia Daemonorops periacantha K000521096
    Suhaili [BRUN15015], Brunei Daemonorops periacantha K000113131

    First published in Verh. Kon. Akad. Wetensch., Afd. Natuurk. 11(5): 28 (1868)

    Not accepted by

    • Govaerts, R. & Dransfield, J. (2005). World Checklist of Palms: 1-223. The Board of Trustees of the Royal Botanic Gardens, Kew. [Cited as Daemonorops periacantha.]
    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Daemonorops periacantha.]

    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