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

        This species is accepted, and its native range is Peninsula Malaysia to Sumatera.

    [PW]
    General Description
    Solitary (? always) slender rattan climbing to 8 m only. Stem without sheaths to 6 mm in diameter, with to 13 mm. Internodes to 8 cm long. Leaf rachides and sheaths drying dull brown. Leaf sheaths bright green closely and sparsely armed with short triangular reflexed convex spines, dull reddish brown in colour with paler bases and dense annular ridges minutely rough on their crests. Ocrea inconspicuous. Knee well developed. Flagellum to 1.2 m. Leaf ecirrate to 80 cm long including petiole to 20 cm long; petiole tinged red in fresh state, very sparsely armed. Leaflets up to about 40 on each side, very fine, regular, the longest in the mid-section decreasing gradually to the leaf tip; largest leaflets to 25 cm long by 12 cm wide, the terminal two not joined, armed with black bristles on three veins above, ± unarmed beneath, minutely denticulate along margins. Inflorescence to 1.2 m long with A-5 very slender partial inflorescences, with rachillae to 4 cm long. Ripe fruit rounded to somewhat oblong covered in 15-17 vertical rows of brownish scales. Seed with homogeneous endosperm. Seedling not known.
    Vernacular
    rotan perut ay am
    Distribution
    Perak, Pahang, Johore. Borneo (E. Kalimantan), Sumatra (Lampung).

    Distribution

    Native to:

    Malaya, Sumatera

    Calamus rugosus Becc. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Apr 15, 1987 Forsyth, T.J. [TJF26], Indonesia K000521304

    First published in J.D.Hooker, Fl. Brit. India 6: 443 (1892)

    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, A Manual of the rattans of the Malay Peninsula. Malayan Forest Recirds 29.. 1979

    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