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

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

    [PW]
    General Description
    Variable slender, solitary or clustered rattan climbing to 5 m tall, rarely more; stem without sheaths 5-10 mm diam., with sheaths 10 - 20 mm diam., internodes rather short, rarely more than 12 cm. Sheaths green, armed with sparse to very dense triangular flattened black spines to 15 mm with hairy margins, sheaths drying reddish-brown; knee conspicuous; ocrea short, membranous. Flagellum to 2 m. Leaf ecirrate to 90 cm long, usually less, including the petiole to 45 cm, rachis sparsely red hairy; leaflets 15 - 30 on each side of the rachis (9 only in one extreme form - see below), regularly arranged, linear or lanceolate, the longest to 30 x 2 cm, but usually smaller, armed with scattered spines along margins and nerves on the upper surface, very sparse beneath, transverse veinlets close, sinuous conspicuous. Inflorescence to 3 m with c. 3 partial inflorescences; male rachillae 2-20 mm long, thread-like', female rachillae to 40 x 2 mm. Mature fruit rounded, c. 5 mm diam., beaked, covered in 12 - 13 vertical rows of straw-coloured scales with dark margins. Seed ± rounded; endosperm homogeneous. Seedling leaf not known (Fig. 89).
    Distribution
    Widespread in 1st Division. Rare in Kalimantan. Endemic to Borneo.

    Distribution

    Calamus nematospadix Becc. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 5, 1999 Awa [S.46354], Malaysia K000521483
    May 16, 1997 Jacobs [5008], Malaysia K000521471
    May 16, 1997 Jacobs [5008], Malaysia K000521472
    May 16, 1997 Clemens [20467], Malaysia K000521470
    May 15, 1997 Clemens [20471], Malaysia K000521468
    May 15, 1997 Clemens [20471], Malaysia K000521469
    Oct 15, 1992 Hock [S53862], Malaysia K000521591
    Jan 31, 1992 Stockdale, M.J. [MCS109], Indonesia K000521477
    Dec 17, 1991 Banyeng [S43663], Malaysia K000521592
    Feb 1, 1989 Lee [S44308], Malaysia K000521482
    Dec 19, 1983 Dransfield, J. [JD6028], Malaysia K000521595
    Dec 19, 1983 Dransfield, J. [JD6100], Malaysia K000521480
    Dec 19, 1983 Dransfield, J. [JD5903], Malaysia K000521594
    Dec 19, 1983 Dransfield, J. [JD6029], Malaysia K000521475
    Dec 19, 1983 Dransfield, J. [JD6005], Malaysia K000521481
    Dec 19, 1983 Dransfield, J. [JD6101], Malaysia K000521478
    Dec 19, 1983 Dransfield, J. [JD5908], Malaysia K000521590
    Oct 18, 1978 Dransfield, J. [JD4625], Malaysia K000521476
    Apr 30, 1975 Ridley [s.n.6], Malaysia K000521479
    Jan 1, 1911 Hewitt [196] K000521474
    Purseglove, J.W. [P4736], Malaysia K000521473
    Bingshan [S73908], Malaysia K000521593

    First published in Rec. Bot. Surv. India 2: 204 (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