1. Family: Araceae Juss.
    1. Genus: Amorphophallus Blume ex Decne.
      1. Amorphophallus echinatus Bogner & Mayo

        This species is accepted, and its native range is SW. Thailand.

    [CATE]

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

    Distribution

    Thailand. Endemic. Kanchanaburi.

    Thailand, Kwae Noi Basin, near Neeckey (near Wangka), alt. 150m

    General Description

    Tuber depressed globose, 6 cm high, 14 cm in diam., brown. Leaf unknown. Cataphylls several, 2–7 cm long, membranaceous, brown; peduncle ca 30 × 1.5 cm, dark bluish green with elongate white spots placed longitudinally; spathe ca 17 × 6–7 cm, more or less as long as spadix, rugose within at the base, pale flesh-coloured with purple veins, exterior pale purplish grey with green spots in the lower part, the whole spathe covered with pale spots; spadix 15 –17 × 2–3 cm; pistillate flower zone ca 4.5 × 2 cm; ovaries 2.5–3 mm long, greyish purple; style ca 1 × 0.7–0.8 mm, stigma usually trilobed, ca 1.5 mm; staminate flower zone ca 5 cm long, flowers densely congested; stamens "purplish yellow"; thecae about 1 mm broad, opening apically by oblique slits; appendix ca 5 cm, aculeate, pale purple, projections of appendix sharply pointed, 1.5–2 mm long, with swollen bases, more prominent and narrower in lower part of appendix. Fruit not known.

    Tuber depressed-globose, 14cm in diam. and about 6cm thick, brown ("rhaphideous"). Leaf unknown. Peduncle about 30cm ("32 cm") long and 1.5cm in diam., "dark bluish-green with elongated white spots longitudinally placed". Cataphylls several, 2-7cm long, membranaceous, brown. Spathe about 17cm long, 6- 7cm in diam., more-or-less as long as spadix, within rugose at the base, "pale flesh-coloured with purple veins, outside pale purplish-grey with green spots in the lower part", the whole spathe seems to be covered with pale spots. Spadix 15cm long but apex broken (probably about 16-17cm long in total), 2-3cm in diam., female part about 4.5cm long, 2cm in diam., male part about 5cm long, male flowers densely congested, appendix 5cm long or more, aculeate, "pale purple", projections of appendix sharply pointed, 1.5- 2mm long, with swollen bases, more prominent and narrower in diam. in lower part of appendix. Pistils 2. 5 - 3mm long, "greyish-purple", ovary subglobose, about 1.5mm in diam., trilocular with a single ovule per locule, style about lmm long, 0.7- 0.8mm in diam., stigma usually trilobed, about 1.5mm in diam. Stamens "purplish-yellow", thecae about I mm broad, opening apically by oblique slits.

    Habitat

    In dense, moist forest.

    Distribution

    Native to:

    Thailand

    Amorphophallus echinatus Bogner & Mayo appears in other Kew resources:

    First published in Aroideana 8: 19 (1985)

    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.
    • 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.
    • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.

    Literature

    CATE Araceae
    • Bogner, J., Mayo, S.J. & Sivadasan, M. New species and changing concepts in Amorphophallus. Aroideana 8, (1985).

    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