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

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

    [PW]
    General Description
    Slender clustering rattan with stems to 10 m tall; stem without sheaths to 6 mm diam., with sheaths to 15 mm diam., internodes to c. 15 cm long, usually much less. Sheaths dark green, smooth, with occasional grey scales and very few spines to 4 mm long; knee conspicuous; ocrea forming a low membranous ridge to 4 mm. Flagellum to 1.5 m. Leaf ecirrate to 60 cm including the petiole to 10 cm; petiole very sparsely armed; rachis covered with dense rusty-coloured hairs; leaflets c. 33-40 on each side of the rachis, regularly arranged, close, relatively short, the longest to 14 × 1.25 cm, the upper surface usually with abundant very fine bristles, the margins usually ciliate, with hairs of adjacent leaflets interlocking, the lower surface usually minutely scabrid. Inflorescences to 80 cm, curving, with only short terminal flagellum and 5 strongly curved partial inflorescences, bearing curved rachillae; rachillae to 20 mm with conspicuous cups of bracteoles and rather distant flowers. Mature fruit rounded, covered in 15 vertical rows of orange-yellow scales; sarcotesta intensely bitter. Seedling not known.
    Vernacular
    Wi Labu (Ib.)
    Distribution
    In Brunei known from three collections from Temburong. Elsewhere in Sabah, Sarawak and Kalimantan. Endemic.
    [PW]
    Use
    The cane appears to be of good quality and may be used for binding.

    Images

    Distribution

    Calamus pilosellus Becc. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    May 26, 1994 Van Valkenburg [1038], Indonesia K000521543
    Dec 22, 1993 Van Valkenburg [1131], Indonesia K000521545
    Mar 2, 1992 Ambri [AA424], Indonesia K000521541
    Nov 23, 1991 Van Valkenburg [1054], Indonesia K000521544
    Jun 8, 1990 Lee Meng Hock [S53863], Malaysia K000521540
    Feb 23, 1983 Dransfield, J. [JD6010], Malaysia K000521546
    Feb 23, 1983 Dransfield, J. [JD6026], Malaysia K000521536
    May 30, 1980 Dransfield, J. [JD5843], Malaysia K000521550
    May 30, 1980 Dransfield, J. [JD5842], Malaysia K000521547
    May 30, 1980 Dransfield, J. [JD5837], Malaysia K000521539
    Mar 11, 1980 Mogea, J.P. [B1619], Indonesia K000521542
    Dransfield, J. [6621], Brunei K000521537
    Dransfield, J. [6620], Brunei K000521549
    Sundaling [SAN134912], Malaysia K000521548
    Lobb, T. [5], Borneo K000697793 holotype
    Stockdale, M.C. [MCS56], Brunei K000521538

    First published in Rec. Bot. Surv. India 2: 208 (1902)

    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.

    Literature

    Palmweb - Palms of the World Online
    • J. Dransfield, The Rattans of Brunei Darussalam. 1997

    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