1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Arenga Labill. ex DC.
      1. Arenga engleri Becc.

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

    [PW]
    Vernacular
    Soan-tsang (Taiwanese), shan-tsong (Mandarin).
    Biology
    Lowland forest, at low elevations.
    Distribution
    Taiwan.
    General Description
    Stems clustered, to 4 m tall, 10-15 cm diameter. Leaves pinnate; sheaths fibrous; ocrea not seen; petioles to 1.8 m long, covered with dark brown, peltate scales; rachis to 3 m long, tomentose as the petiole; pinnae 38-41 per side of rachis, linear, flat adaxially, very briefly lobed along the margins, without ears at the base, regularly arranged and spreading in the same plane except for the basal few pinnae, these paired; middle pinnae 43-49 cm long, 2-2.2 cm wide. Inflorescences interfoliar, unisexual, to 60 cm long, not seen in their entirety; staminate rachillae 9.7-27.6 cm long, 3.6-4 mm diameter, numerous, glabrous; staminate flowers 8-14 mm long, spirally and distantly arranged; sepals 2-2.5 mm long; petals 9-14 mm long; filaments 2-4 mm long; anthers 3-6 mm long; stamens 25-37; pistillate rachillae 27-32 cm long, 5-7.4 mm diameter, glabrous; pistillate flowers spirally and distantly arranged, 3 mm long; sepals 2.5 mm long, broadly imbricate, gibbous; petals 3 mm long, valvate for about two thirds their length; fruits globose, 1.5 cm diameter, orange or red.

    Images

    Distribution

    Arenga engleri Becc. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Oldham, R. [626], Taiwan K000526341 isotype
    Oldham, R. [624], Taiwan K000526342 isotype
    Oldham, R. [322], Taiwan K000526343 isotype
    Cultivated [1966-50601] K000525035

    First published in Malesia 3: 184 (1889)

    Accepted by

    • Iwatsuki, K., Boufford, D.E. & Ohba, H. (2016). Flora of Japan IVb: 1-335. Kodansha Ltd., Tokyo.
    • Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis.
    • 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. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.

    Literature

    Palmweb - Palms of the World Online
    • Henderson, A.J., A New Species of Arenga (Palmae) in Taiwania 51(4). 2006
    Kew Backbone Distributions
    • Henderson, A. (2009). Palms of Southern Asia: 1-197. Princeton university press, Princeton and Oxford.

    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