1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Manjekia W.J.Baker & Heatubun
      1. Manjekia maturbongsii (W.J.Baker & Heatubun) W.J.Baker & Heatubun

        A solitary palm recently discovered on Biak Island in Indonesia, Adonidia maturbongsii is named in honour of Rudi Maturbongs (Universitas Negeri Papua), who collected the first herbarium specimens of the species, in recognition of his contributions to the study of palms in Biak.

    [KSP]
    General Description
    Adonidia maturbongsii is a solitary palm recently discovered on Biak Island in Indonesia and considered to be Endangered.

    A solitary palm recently discovered on Biak Island in Indonesia, Adonidia maturbongsii is named in honour of Rudi Maturbongs (Universitas Negeri Papua), who collected the first herbarium specimens of the species, in recognition of his contributions to the study of palms in Biak.

    Known locally as manjek, this palm was described by Kew scientist William Baker and Charlie Heatubun (Universitas Papua, Indonesia) in 2012.

    Species Profile

    Geography and distribution

    Adonidia maturbongsii is restricted to Biak Island (Papua, Indonesia), where it has been found at 80–170 m above sea level.

    Description

    Overview:Solitary, mid-storey to emergent palm.

    Stem:Brown with white blotches and prominent leaf scars, 10–15 m tall, 10–20 cm in diameter, tapering towards the apex.

    Leaves: Forming a crown of about ten arching leaves. Sheath up to 70 cm long, pale, dull green forming crownshaft (conspicuous cylinder formed by tubular leaf sheaths at the top of the stem) up to 90 cm long. Petiole (leaf stalk) up to 45 cm long. Each leaf divided into 25–30 pairs of leaflets. Leaflets are borne in a single plane and are broad and pendulous with wide concave tips.

    Inflorescence: 60–70 cm long, branched to four orders, axes white, rubbery. Buds in triads (clusters of three), spirally arranged.

    Male flowers:About 7 mm long with 30–32 stamens (male organs).

    Female flowers: About 5 mm long with only a few, minute, tooth-like staminodes (sterile stamens). Gynoecium (female element) pear-shaped.

    Fruits: About 3 cm long, ellipsoid, ripening through orange to red.

    Seeds: About 2 cm long, ellipsoid.

    Threats and conservation

    Adonidia maturbongsiiis threatened by ongoing forest degradation. It is protected in the North Biak Nature Reserve.

    Uses

    The stem is used locally for flooring and pillars in traditional houses.

    This species at Kew

    Dried specimens of Adonidia maturbongsiiare held in Kew’s Herbarium, where they are available to visitors from around the world, by appointment.

    Distribution
    Indonesia
    Ecology
    Lowland forest on limestone.
    Conservation
    Endangered (EN) according to IUCN Red List criteria.
    Hazards

    None known.

    [KSP]
    Use
    Local house construction.

    Images

    Distribution

    Found In:

    New Guinea

    Common Names

    English
    Manjek

    Manjekia maturbongsii (W.J.Baker & Heatubun) W.J.Baker & Heatubun appears in other Kew resources:

    Date Identified Reference Herbarium Specimen Type Status
    Jul 14, 2014 Heatuban, C.D. [971], Irian Jaya K000707057 holotype
    Jul 10, 2014 Baker, W.J. [1338], Indonesia 65328.000
    Jul 10, 2014 Heatubun, C.D. [971], Indonesia 66222.000

    First published in Kew Bull. 69(3)-9525: 10 (2014)

    Literature

    • [1] Baker, W. J. & Heatubun, C. D. (2012). New palms from Biak and Supiori, western New Guinea. Palms 56: 131–150.

    Sources

    International Plant Names Index
    The International Plant Names Index (2016). Published on the Internet http://www.ipni.org
    [A] © Copyright 2016 International Plant Names Index. https://creativecommons.org/licenses/by/3.0

    Kew Species Profiles
    Kew Species Profiles
    [B] http://creativecommons.org/licenses/by-nc-sa/3.0
    [C]

    World Checklist of Selected Plant Families
    World Checklist of Selected Plant Families(2016). Published on the Internet http://apps.kew.org/wcsp/
    [D] See http://kew.org/about-kew/website-information/legal-notices/index.htm You may use data on these Terms and Conditions and on further condition that: The data is not used for commercial purposes; You may copy and retain data solely for scholarly, educational or research purposes; You may not publish our data, except for small extracts provided for illustrative purposes and duly acknowledged; You acknowledge the source of the data by the words "With the permission of the Trustees of the Royal Botanic Gardens, Kew" in a position which is reasonably prominent in view of your use of the data; Any other use of data or any other content from this website may only be made with our prior written agreement. http://creativecommons.org/licenses/by-nc-sa/3.0
    [E] © Copyright 2016 International Plant Names Index and World Checkist of Selected Plant Families. https://creativecommons.org/licenses/by/3.0