1. Family: Araceae Juss.
    1. Genus: Amorphophallus Blume ex Decne.
      1. Amorphophallus boyceanus Hett.

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

    [CATE]

    CATE Araceae, 17 Dec 2011. araceae.e-monocot.org

    Distribution

    Thailand. Endemic.

    General Description

    Tuber subglobose, 6 × 4.5 cm, developing many offsets, these short, thick rhizomatous or with a swollen apex, to 2.5 × 1.5 cm, often with additional small offsets themselves. Leaves two or three together or in succession; petiole smooth, to ca 50 × 1 cm, background dark brown, with many scattered or confluent, elongate-elliptic spots, these brown with a whitish margin or entirely dirty whitish, or brownish with a white margin and a white spotted central region; leaf blade to 70 cm diam., rachises winged in the distal half; leaflets elliptic-lanceolate, to 17 × 6 cm, acuminate, base not or hardly decurrent. Inflorescence solitary, long pedunculate; peduncle 25–30 × 1 cm, appearance as petiole; spathe elongate-triangular, 11–12 × 5–6 cm, acute, a very shallow constriction on the dorsal side, base convolute, exterior background pale green or dirty greyish green, with scattered or nearly entirely covered by dark to mid-brown spots, often confluent, large and tiny, in between with or without a few scattered irregular pale green spots, interior whitish with a green flush, near the apex with tiny purplish dots and a few veins purplish, base pale yellow or dark orangish yellow, with numerous shallow verrucae, especially on the dorsal side; spadix sessile, longer than spathe, 20–28 cm long; pistillate flower zone cylindrical, 1.5–2.5 × 1.2–1.3 cm, flowers congested; ovaries depressed, prismatic, 2 × 4 mm, bright green,; style short or very short, curved upwards or nearly straight, 0.3–1 × 0.8 mm, bright green; stigma slightly depressed, 1.5 × 2 mm, shallowly bi– or –trilobed, lobes slightly hemispherical, obtuse, surface yellowish, verruculate; staminate flower zone cylindrical, 3.5–5 cm × 9–12 mm, terete or slightly laterally compressed, flowers congested; staminate flowers 3–4-androus, off-white, connective flat or sunken, dirty greyish green turning creamy; appendix 14–20 × 1.3 cm, elongate conical, narrow, terete or laterally compressed, base or lower half with short, shallow ridges, sometimes accompanied by shallow conical staminodes, upper half smooth, apex subacute, surface dirty pale yellowish brown or dirty creamy. Infructescence cylindrical, 7 × 2 cm. Fruit subglobose, 8 × 8–10 mm, bright red when ripe.

    Habitat

    Unknown

    Distribution

    Native to:

    Malaya, Thailand

    Amorphophallus boyceanus Hett. appears in other Kew resources:

    First published in Blumea 46: 256 (2001)

    Accepted by

    • Boyce, P.C., Sookchaloem, D., Hetterscheid, W.L.A., Gusman, G., Jacobsen, N., Idei, T. & Nguyen, V.D. (2012). Flora of Thailand 11(2): 101-325. The Forest Herbarium, National Park, Wildlife and Plant Conservation Department, Bangkok.
    • Mansor, M., Boyce, P.C., Othman, A.S. & Sulaiman, B. (2012). The Araceae of peninsular Malaysia: 1-146. Penerbit Universiti Sains Malaysia.
    • Govaerts, R. & Frodin, D.G. (2002). World Checklist and Bibliography of Araceae (and Acoraceae): 1-560. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Mansor, M., Boyce, P.C., Othman, A.S. & Sulaiman, B. (2012). The Araceae of peninsular Malaysia: 1-146. Penerbit Universiti Sains Malaysia.

    Sources

    CATE Araceae
    Haigh, A., Clark, B., Reynolds, L., Mayo, S.J., Croat, T.B., Lay, L., Boyce, P.C., Mora, M., Bogner, J., Sellaro, M., Wong, S.Y., Kostelac, C., Grayum, M.H., Keating, R.C., Ruckert, G., Naylor, M.F. and Hay, A., CATE Araceae, 17 Dec 2011.
    http://creativecommons.org/licenses/by-nc-sa/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