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

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

    [CATE]

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

    Distribution

    Northern Thailand: Nakhon Sawan. Endemic.

    General Description

    Tuber irregularly elongate, 2–3.5 × 4–8 cm, branching; petiole 20–60 cm × 8–10 mm, smooth, uniformly pale to olive-green or pale to darker rich reddish brown. Leaf solitary; leaf blade 20–60 cm, with relatively few leaflets, rachises winged nearly to the base; leaflets elongate-elliptic, 10–26 × 5–10 cm, acuminate, adaxially deep rich green with a narrow bright lilac reddish margin. Inflorescence solitary, long pedunculate; peduncle 22–30 × 7–0.8 cm, smooth, pale reddish brown at the base, upwards grading to pale green; spathe erect, base and limb separated by a shallow constriction, 7.5–12 × 7–10 cm, limb concave, apex acute, margins involute, exterior base pale green, interior base whitish green, exterior and interior limb creamy, base within densely verrucate, verrucae irregularly conical, often secondarily verrucate at the apex; spadix sessile, longer than spathe, 17.5–26 cm long; pistillate flower zone cylindrical, 1.3–2 cm × 9–11 mm, flowers slightly distant; ovaries depressed, orbicular, 2.5 × 1.5 mm high, pale green; style thick, 0.8 × 1.3 mm, dilating towards the apex, creamy; stigma disciform, 2 × 0.4 mm, entire but with a central depression, surface whitish, densely verruculate; staminate flower zone fusiform-cylindrical, base and apex constricted, 4–5 × 1.3–1.5 cm, flowers congested; staminate flowers 3–5-androus, creamy; connective indistinct, very pale green; appendix elongate conical, 12–19 cm × 17–18 mm, base constricted, apex sharply acute, surface shallowly rugulose, creamy. Fruit ovoid, smooth, white.

    Habitat

    Only recorded at altitude ca 60 m asl.

    Distribution

    Native to:

    Thailand

    Amorphophallus sizemoreae Hett. appears in other Kew resources:

    First published in Blumea 46: 271 (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.
    • 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.

    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