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

        This species is accepted, and its native range is SE. India, Sri Lanka.

    [PW]
    Biology
    Common in coastal fresh water swamp forests, frequent along fresh water streams of lower hill valleys.
    General Description
    A slender thicket forming climber; stem with leafsheath 8-16 mm in diameter; internodes to 40 cm or more long. Leaves ecirrate, to 80 cm long; leafsheath with distinct knee, armed with more or less scattered, broad-based 1 cm long yellowish spines; each pointing down-wards; flagellum slender, about 2 m long; petiole absent; leaflets numerous, equidistant or sub-equidisitant, linear to lanceolate, 1-nerved, 10 -15 cm long, 1.5 cm broad at middle; midnerve with 2 hooks on upper side and uniformly spinulose below; uppermost leaflets smallest. Male inflorescence flagelliform; axial part strongly aculeate; rachillae scorpioid, 12 - 35 cm long, with 5-12 approximate male flowers on each side of the rachilla; in male flowers corolla deeply divided into 3 segments. Female inflorescence flagelliform; partial inflorescences 15 - 20 cm long with 5-8 rachillae on each side; each arch-like with divaricate neuter flower. Fruit globose, apiculate, 1.3 -1.5 cm long, 1.2 cm broad at middle; fruit scales in 21 longitudinal series, faintly channelled at middle; seed flattened, 8 mm in diameter.
    Distribution
    INDIA (Andhra Pradesh, Tamil Nadu, Kerala), SRI LANKA.
    Vernacular
    Perambu, Betambu. Bettapu.
    [PW]
    Use
    Cane is used for making rough baskets for plucking tea leaves and for carrying building materials. Split canes are largely used for making bags, 'jhapi', a kind of small bucket used in villages for measuring grain, and for making chair bottoms. The young leaves are also eaten as a vegetable by tribal people.

    Images

    Distribution

    Native to:

    India, Sri Lanka

    Introduced into:

    Trinidad-Tobago

    Calamus rotang L. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    s.coll. [Cat. no. 8604] K001125947
    s.coll. [Cat. no. 8604] K001125948
    s.coll. [Cat. no. 8604], India K001125949

    First published in Sp. Pl.: 325 (1753)

    Accepted by

    • Baksh-Comeau, Y., Maharaj, S.S., Adams, C.D., Harris, S.A., Filer, D.L. & Hawthorne, W.D. (2016). An annotated checklist of the vascular plants of Trinidad and Tobago with analysis of vegetation types and botanical 'hotspots' Phytotaxa 250: 1-431.
    • Mostaph, M.K. & Uddin, S.B. (2013). Dictionary of plant names of Bangladesh, Vasc. Pl.: 1-434. Janokalyan Prokashani, Chittagong, Bangladesh.
    • Henderson, A. (2009). Palms of Southern Asia: 1-197. Princeton university press, Princeton and Oxford.
    • 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
    • S.K. Basu, Rattans (canes) in India. A Monographic Revision. 1992
    Kew Backbone Distributions
    • Baksh-Comeau, Y., Maharaj, S.S., Adams, C.D., Harris, S.A., Filer, D.L. & Hawthorne, W.D. (2016). An annotated checklist of the vascular plants of Trinidad and Tobago with analysis of vegetation types and botanical 'hotspots' Phytotaxa 250: 1-431.

    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