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

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

    [PW]
    Distribution
    Perak, Pahang (Main Range at Cameron Highlands and G. Tambang Batak). Endemic.
    Vernacular
    rotan ?
    General Description
    Clustering thicket-forming mountain rattan with slender stem often branching, to about 6 m tall, without sheaths about 8 mm in diameter, with sheaths about 1.5 cm. Internodes about 18 cm. Sheaths pale brown armed with scattered narrowly triangular flattened spines held horizontally, the largest to 20 mm long by 5 mm wide at the base, with few smaller spines scattered in between; thin brown indumentum in between spines. Knee well-developed. Ocrea to 5 mm high, tattering. Leaf cirrate to 2.0 m long; petiole to 15 mm long armed with spines as on the leaf sheath, leaflets about 5 on each side ofrachis very broad, arranged alternately below, subopposite above, in most robust plants 60 cm long by 10 cm wide (Furtado 1956), usually about 30 cm long by 7 cm wide, with about 5 main veins, the margins black bristly at the tips only. Inflorescence up to about 80 cm long, shorter than the leaves, bearing about 6 partial inflorescences evenly distributed; bracts covered in pale grey indumentum and scattered scales almost inerm. Partial inflorescence in female consisting of 1 rachilla only; in male sometimes with 3-4 rachillae. Flowers arranged neatly in 2 rows. Fruit globose, very large, about 3 cm high by 2 cm in diameter, tipped with a short beak, covered in 24 vertical rows of pale brown to red-brown black-tipped scales. Seed globose, about 15 mm in diameter, with deeply ruminate endosperm. Seedling leaf unknown.
    [PW]
    Use
    Collected by Orang Asli - apparently a good cane.

    Images

    Distribution

    Native to:

    Malaya, Thailand

    Calamus simplex Becc. appears in other Kew resources:

    First published in J.D.Hooker, Fl. Brit. India 6: 456 (1893)

    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

    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