1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Calamus L.
      1. Calamus sabalensis J.Dransf.

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

    [PW]
    Distribution
    Known only from three collections from Sabal Tapang Forest Reserve, including G Gaharu, in 1st Division. Endemic.
    General Description
    Clustering stemless rattan, stem subterranean, very short, without sheaths c. 15 mm diam., with sheaths c. 30 mm diam., internodes very short. Sheath splitting opposite the petiole for much of its length, dull mid brown, sparsely armed with dark brown spines c. 3 -15 mm, scattered or in groups of 2 - 4, brown hairs present between the spines; knee absent', ocrea thin, c. 10 cm long, bearing minute spines, scattered or in rows, soon tattering. Flagellum absent. Leaf ecirrate, to c. 2 m long, usually less, including the petiole; petiole to 1.25 m, armed with groups of spines 5 -15 mm long; leaflets regularly arranged, distant, (5 -) 10-15 on each side of the rachis, rather thin, narrow linear-lanceolate, the longest to c. 30 x 1.5 cm, the apical pair c. 20 x 1 cm, armed with very sparse short bristles on 3 nerves on the upper surface and 1 nerve beneath, transverse veinlets conspicuous. Inflorescences to 1.3 m, tending to arch or flop along the forest floor, with 2-5 distant partial inflorescences; prophyll and primary bracts tightly sheathing, armed with scattered spines to 10 mm; male rachillae very short, c. 10 x 1.5 mm bearing strictly distichous male flowers; female rachillae few, distant, c. 70 x 2 mm, bearing distichous flowers; rachilla bracts minutely roughened, brown scaly. Mature fruit rounded, c. 9 mm diam., beaked, covered in 15 vertical rows of red-brown scales. Seed rounded, c. 7 mm diam., slightly flattened on one side; endosperm homogeneous. Seedling leaf not known (Fig. 67).

    Images

    Distribution

    Calamus sabalensis J.Dransf. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Sep 2, 1982 Dransfield, J. [JD6086], Malaysia K000462183
    Sep 2, 1982 Dransfield, J. [JD6132], Malaysia K000462181
    Sep 2, 1982 Dransfield, J. [JD6096], Malaysia K000462182
    Dransfield, J. [JD6133], Sarawak K000207849 holotype

    First published in Kew Bull. 45: 83 (1990)

    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.
    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