1. Family: Araceae Juss.
    1. Genus: Amorphophallus Blume ex Decne.
      1. Amorphophallus atrorubens Hett. & Sizemore

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

    [CATE]

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

    Distribution

    Thailand. Endemic.

    General Description

    Tuber short, subglobose to irregularly elongate, 3–7 × 2–4 cm, base with few short branches. Leaf solitary; petiole short, to 15–20 cm × 5–15 mm, smooth, turgid, dark greyish or reddish brown; leaf blade to 50–80 cm diam., rachises unwinged; leaflets elliptic or elongate-elliptic, 5–10 × 3–6 cm, acuminate, adaxially slightly glossy green. Inflorescence solitary, long pedunculate; peduncle 13–23 cm × 4–8 mm, dirty greenish brown to dark reddish brown, smooth, glossy; spathe erect, broadly ovate, 3–11 × 3–11 cm, base truncate, exterior pale bronze-green with brown veins, apex purplish brown, or wholly pale green, interior pale greyish green or whitish, margin slightly or more distinctly concave, apex broadly acute, base within smooth; spadix sessile, longer than spathe, 4–16 cm long, erect or slightly bending forward; pistillate flower zone cylindrical, 5–20 × 5–12 mm, flowers slightly distant; ovaries depressed, 3 × 1.5 mm, pale green with upper part purplish or entirely purplish; style ca 1 × 1 mm, ridged, purplish; stigma large, depressed, 2.5 × 1 mm, moderately or strongly and deeply trilobed, lobes conical, surface papillate-flaky, white; sterile interstice 4–10 × 5–17 mm, staminodial; staminodes broadly conical-cylindrical, rhombic in outline, base slightly constricted, apex with a distinct depression or with a 3– to 5–rayed groove representing the borderlines of sterile stamens, ca 5 × 3 mm, off-white; staminate flower zone elongate conical, 1.5–4.5 cm × 7–16 mm, lower flowers somewhat distant, upper ones congested, or all congested; staminate flowers 4–5-androus, pores apical, fused at their apex to a large single apical opening, connective broad, pale green or white, usually extending down to the lateral sides, very thin and rupturing at staminate anthesis; appendix short conical, 2–8 × 1–2.3 cm, laterally compressed or terete, apex obtuse, surface smooth, off-white with a faint greenish flush. Infructescence cylindrical, 5 × 3 cm, berries crowded; fruit ovoid, 10–14 × 8–12 mm, ripening deep blue.

    Habitat

    Heavy shade at base of limestone outcrops.

    Distribution

    Native to:

    Thailand

    Amorphophallus atrorubens Hett. & Sizemore appears in other Kew resources:

    First published in Blumea 46: 255 (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