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

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

    [CATE]

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

    Distribution

    South Western Thailand: Kanchanaburi. Endemic.

    General Description

    Tuber narrowly elongate, branching, to 13 cm long, to 1.5 cm in diam., rhizomorphic, white. Petiole short, 8-9 cm long, 2-4 mill in diam. smooth, uniformly dull green to greyish-green; lamina to 19 cm in diam., few leaflets, rachises short, winged all over; leaflets elliptic to slightly elongate obovate, 5-10 cm long, 2- 5 cm in diam., slightly leathery, apex acute, upper surface dark rich green with narrow purple margin, lower surface greyish-green. Peduncle 16 cm long, 6 mm in diam. at the base, smooth, lower part very pale brown grading upwards to uniformly pale green. Spathe cymbiform, ovate, 8 cm long, 6 cm wide, base and limb not separated, short and loosely convolute, apex acute, margins slightly concave, outside base pale green, grading upwards to off-white, apex pale greyish-green, inside base pale green, grading upwards to whitish green, base within densely set with fleshy, irregularly elongate, verruculate warts. Spadix longer than spathe, 11 cm long; female zone cylindric, 1 cm long, 7 mm in diam., flowers distant; male zone subcylindric, slightly tapering to the apex, 3 cm long, 8 mm in diam., flowers congested; appendix narrowly elongate-conical, 7 cm long, 9 mm in diam., distinctly bent forward, base constricted, apex sub-acute, surface rugulose, off-white, emitting a strong scent of oligimethyl-oligosulphides at female anthesis. Ovary depressed, 2 mm in diam., 0.8-1 mm high, unilocular, pale green; style short, directed upwards at ca. 45 degrees, ca. 0.4 mm long, ca. 0.6 mm in diam., whitish green; stigma depressed, subtriangular to irregular in outline, weakly 2- 3-lobed, 1-l.2 mm in diam., ca. 0.4 mm high, verruculate, off-white. Male flowers consisting of (2-)3-4(-5) stamens; stamens very short, 0.6 m high, 2-3 mm in diam.; filaments almost absent, 0.1 mm, fused, off-white; anthers ca. 0.5 mm long, truncated, off-white, pores apical, slit-like.

    Tuber narrowly elongate, rhizomorphic, branching, ca 20 × 1.5 cm; petiole short, 8–9 cm × 2–4 mm smooth, uniformly dull green to greyish green; leaf blade to 19 cm, leaflets few, rachises short, winged all over; leaflets elliptic to slightly elongate obovate, 5–10 × 2–5 cm, slightly leathery, apex acute, adaxially dark rich green with narrow purple margin, abaxially greyish green. Inflorescence long pedunculate; peduncle 16 cm × 6 mm, smooth, lower part very pale brown grading upwards to uniformly pale green; spathe cymbiform, ovate, 8 × 6 cm, base and limb not separated by a constriction, short and loosely convolute, apex acute, margins slightly concave, exterior base pale green, grading upwards to off white, apex pale greyish green, interior base pale green, upwards grading to whitish green, base within densely set with fleshy, irregularly elongate, verruculate warts; spadix longer than spathe, 11 cm long; pistillate flower zone cylindrical, 1 cm × 7 mm, flowers distant; ovary depressed, 2 × 0.8–1 mm high, pale green; style short, directed upwards at ca 45°, ca 0.4 × 0.6 mm, whitish green; stigma depressed, subtriangular to irregular in outline, weakly 2–3-lobed, 0.4 × 1–1.2 mm, verruculate, off-white; staminate flower zone subcylindrical, slightly tapering to the apex, 3 cm × 8 mm, flowers congested; staminate flowers (2–)3–4(–5)-androus; stamens, off-white; appendix narrowly elongate conical, 7 cm × 9 mm, distinctly bent forward, base constricted, apex subacute, surface rugulose, off-white. Fruit unknown.

    Habitat

    Unknown.

    Distribution

    Native to:

    Thailand

    Amorphophallus josefbogneri Hett. appears in other Kew resources:

    First published in Aroideana 29: 60 (2006)

    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.H.A. (2011). World checklist of selected plant families published update Facilitated by the 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