1. Family: Araceae Juss.
    1. Genus: Amorphophallus Blume ex Decne.
      1. Amorphophallus antsingyensis Bogner, Hett. & Ittenbach

        This species is accepted, and its native range is W. Madagascar.

    [CATE]

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

    General Description
    Tuber strongly depressed, disciform, or depressed-globose, 4-12 cm in diam., 3-7 cm high, white, seasonally producing long rhizomatous offsets. LEAF solitary, developing after flowering in same season; petiole 28-80 cm long, 0.5-3 cm in diam., smooth, pale green; lamina 28-100 cm in diam., rachises in distal parts distinctly winged; leaflets elliptic to elliptic lanceolate, 2-23 cm long, 1-5 cm in diam., long acuminate, slightly coriaceous, uppe surface semiglossy bright grey-green, lower surface glossy pale green. INFLORESCENCE developing before the leaf, solitary; peduncle 20-83 cm long, 0.6-1.3 cm in diam., smooth, pale green. Spathe erect, lanceolate, 10-25 cm long, 3-8.5 cm in diam., acute, base and limb poorly differentiated, limb narrow, upper part slightly twisted, outside pale green, inside whitish green, base outside green, inside pale green, lowest part green and shallowly ridged, ridges branching. Spadix substipitate, shorter than spathe, 9-14 cm long; female zone cylindric, 1-1.3 cm long, 0.8-1.1 cm in diam., flowers partly congested, partly slightly distant; male zone cylindric, slightly tapering to the top, 1.8-3.3 cm long, 0.7-1 cm in diam., flowers congested; appendix cylindric, 7-9 cm long, 0.5-0.8 cm in diam., obtuse, ivory white with a faint greenish hue, shallowly rugulose, base grooved, producing an acidic smell. Ovaries globose or slightly subglobose, 2-2.5 mm in diam., gradually tapering to the style (the entire pistil pyriform), glossy pale green, rounded or irregularly obtuse-angulate in cross-section, bilocular, occasionally unilocular; style 0.5 mm long, 1.1 mm in diam. at the base, conic, dark green; stigma depressed, thin, circular in cross-section, 1-2 mm in diam., 0.3-0.5 mm high, with a shallow central groove, surface minutely densely scabrate, dirty whitish; male flowers consisting of 2-3 stamens (lower flowers), or indeterminable; stamens 1.2-2 mm long; filaments 0.2-1 mm long, basally connate; anthers rectangular in cross-section, ca. 1.5-2.5 mm in diam., truncate, ivory-white with purplish and green pigmentation, connective broad and depressed, pores elongate, apical. Pollen inaperturate, exine echinate. INFRUCTESCENCE 60-70 high, dried spathe parts remaining or absent; fruiting part cylindric, 3-6 cm long, 2-4 cm in diam.; berries (l-)2-seeded, globose, 1-1.5 cm in diam., green when immature, maturing through yellow to red; seed elongate ovoid, ca. 7 mm long, 3-4 mm in diam. Chromosomes: 2n = 26.
    Phenology
    fruiting Nov-Dec, Flowers during the rainy season,
    Habitat
    In shade of primary and secondary forest, in humus pockets in limestone rocks in karst areas
    Diagnostic
    Ovaries nearly all bilocular, style absent, spathe entirely green, tuber disciform, offsets rhizomatous. Spathe attenuating in a distinct tip, single-coloured.
    Distribution
    Endemic on Madagascar.

    Images

    Distribution

    Native to:

    Madagascar

    Amorphophallus antsingyensis Bogner, Hett. & Ittenbach appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 30, 1990 Bognor [2077], Madagascar K000499369

    First published in Bot. Jahrb. Syst. 121: 8 (1999)

    Accepted by

    • Ittenbach, S. (2003). Revision der afrikanischen Arten de Gattung Amorphophallus (Araceae) Englera 25: 1-263.
    • 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.

    Literature

    CATE Araceae
    • Hetterscheid, W.L.A., Ittenbach, S. & Bogner, J. 1999. Notes on the genus Amorphophallus (Araceae), 10: Revision of the endemic Amorphophallus species of Madagascar. Bot. Jahrb. Syst.. 121: 1-17

    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.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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