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

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

    [CATE]

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

    Distribution

    Thailand. Endemic.

    General Description

    Tuber napiform, unbranched (young plants) or with several, parallel, vertical branches, to ca 17 × ca 7 cm. Leaf solitary or two on one tuber; petiole 10–55 cm × 8–18 mm, turgid, smooth, greyish green, the base often with a pinkish or reddish brown hue, or almost entirely pale reddish brown, with or without a few, scattered dark greyish spots; leaf blade moderately dissected, 15–90 cm diam., anterior segment smaller than lateral ones, the latter only in larger leaves subdichotomous; leaflets elliptic, long acuminate (acumen ca 3.5 cm long), base long decurrent, 20–35 × 6–10 cm, subcoriaceous, moderately glossy, greyish green adaxially, paler abaxially. Inflorescence solitary, long pedunculate; peduncle appearance as petiole, ca 40 cm × 9 mm; spathe erect or concave, cymbiform, triangular or triangular-ovate, basal fifth convolute, apex acuminate, 6–14 × 3–10 cm, exterior uniformly pale green or dirty white with scattered pale or dark grey-green punctiform spots and sometimes a very faint, pale purplish hue, interior as exterior, base interior papillate, the basalmost papillae hair-like and often laterally fused and/or with some irregular branches; spadix shorter than spathe, 5–13 cm long, slightly sinuate, sessile; pistillate flower zone slightly conical, 1.0–2.3 cm × 7–13 mm, flowers congested; ovaries roughly diamond-shaped or somewhat irregular in cross-section, depressed, bright green, 3–4 × ca 2 mm long; style slender, bright green, ca 1 × 0.7–0.8 mm; stigma flattened, 3– or 4-lobed, 1.5–2.0 mm, dirty white, surface shallowly scabrate-verruculate, lobes subhemispherical; staminate flower zone slightly conical, 1.5–3.0(–6.5?) cm long, 5–12 mm in diam., flowers congested; staminate flowers consisting of 2–4 (or 5) stamens; stamens with fused filaments, the latter strongly enlarged in the lower flowers, forming a conspicuous, cushion-shaped column 2–3 mm long, turning orange at staminate anthesis; anthers short (ca 1 mm), hemispherical, pale orange-yellow, connective large, helmet-shaped, green, entire anther turning dark orange at anthesis; pores elongate, lateral or rarely subapical; appendix cylindrical-fusiform, smooth with some shallow depressions, ivory-white with a greenish or pink flush, apex and base obtuse, 2.0–8.0 cm × 8–20 mm, base with some rounded staminodes. Infructescence elongate, ca 6 cm long and ca 4 cm wide. Fruit elongate to ovoid, 1.5–2 × 1–1.5 cm, ripening bright red.

    Habitat

    In humus pockets in limestone in medium deep shade.

    Distribution

    Native to:

    Thailand

    Amorphophallus albispathus Hett. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Hay, A. [2037], Malaysia 48168.000

    First published in Blumea 39: 239 (1994)

    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.

    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

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.

    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