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

        This species is accepted, and its native range is Borneo (Sarawak, W. Kalimantan).

    [PW]
    Distribution
    A local palm of the 1st Division. Not known elsewhere. Endemic.
    Vernacular
    witulang (Ib.)
    General Description
    Solitary short-stemmed erect or stemless rattan, rarely more than 2 m tall; stem without sheaths 15 - 30 mm diam., with sheaths 30 - 50 mm diam., internodes very short. Sheaths pale green, sparsely to densely armed with short to long brown spines 1-5 cm long, those bordering the sheath mouth much larger and more crowded and tending to point upwards, the longest to 10 cm long, gradually intergrading with the petiole spines; knee absent', ocrea absent. Flagellum absent. Leaf ecirrate, to 3 m long including the petiole to 1 m; petiole armed with regularly spaced, rather distant large spines 4-10 cm long, in 3 rows, 2 lateral, 1 along mid line on the lower surface, spines decreasing in size towards the tip; leaflets up to c. 50 on each side of the rachis, regularly arranged, linear to linear-lanceolate, the longest to 35 x 3 cm, armed with spinules on both surfaces, apical leaflets rather small, rather strongly divergent, transverse veinlets not very conspicuous. Inflorescences usually shorter than the leaves, erect at first, becoming pendulous, to c. 1 m long, with up to 7 partial inflorescences, usually fewer especially in the female, prophyll tubular, somewhat inflated, armed with papery spines especially along the margins and at the tip, other primary bracts tending to split and somewhat expanding, ± unarmed except for groups of papery spines near the tip', partial inflorescences rather lax, to 20 cm long; male rachillae usually very short, c. 3 - 4 mm long, borne on branches to 80 mm long; female rachillae c. 70 mm long. Mature fruit rounded, c. 6 mm diam., strongly beaked, covered in c. 15 vertical rows of reddish-brown scales. Seed rounded; endosperm homogeneous. Seedling leaf not known (Fig. 65).
    [PW]
    Use
    The stem makes a good walking-stick.

    Distribution

    Calamus bacularis Becc. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Apr 3, 1989 Ching [S45913], Malaysia K000112942
    Aug 20, 1987 Banyeng [43691], Malaysia K000112941
    Jun 1, 1984 Lee [S44031], Malaysia K000112956
    Sep 2, 1982 Dransfield, J. [JD4920], Malaysia K000112945
    Aug 24, 1982 Dransfield, J. [JD5994], Malaysia K000112944
    Aug 24, 1982 Dransfield, J. [JD5995], Malaysia K000112946
    Jul 28, 1976 Paie [8491], Malaysia K000112939
    Apr 30, 1975 Ridley [s.n.1], Malaysia K000112940
    Dransfield, J. [JD4724], Malaysia K000112947

    First published in For. Borneo: 609 (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 Sarawak. 1992

    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.

    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