1. Family: Araceae Juss.
    1. Genus: Amorphophallus Blume ex Decne.
      1. Amorphophallus margretae Ittenb.

        This species is accepted, and its native range is E. DR Congo.

    [CATE]

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

    Distribution
    W Zaire, only known from the type collection
    General Description
    Tuber irregular-globose to ovoid, 6-7 x 2.5-5.5 cm, laterally producing cylindrical and conical offsets of 1-1.2 x 0.5-0.6 cm. LEAF unknown. INFLORESCENCE: Cataphylls 3, the inner one c. 9-10 x 1.5-2 cm, the outer ones much shorter, dark with darker veins. Inflorescence erect, appearing before the leaf, c. 80 cm long, long-peduncled; peduncle smooth, 50-52 x 0.6-1 cm, with small roundish spots; spathe 24 cm long, either without a constriction or separated by a shallow constriction in a cylindrical tube and an erect, rimshaped to elongate-triangular limb; tube 8.5-9 x 3.5-4 cm, outside purple; inside basally smooth, with shallowly elevated dark veins; limb 14.5-15 x 6-7 cm, purple, margin undulate. Spadix sessile, c. 28-30 cm long, somewhat longer than spathe; pistillate zone cylindrical, 3 x 1.5 cm, flowers distant; staminate zone cylindrical, 7-8 x 0.6-1 cm, flowers distant; appendix conical, 16-17 cm long, 0.6-2 cm in diameter, smooth and velvetlike, above the staminate zone with a shallow constriction; staminodes absent; without a sterile zone between the pistillate and staminate zone; ration of pistillate to staminate /.one length 0.4-0.5 : 1. Pistillate flowers 5-6 mm long; ovaries elongate-ovoid. 3-4.5 x 2-3 mm. unilocular; style slender, 0.6-1 mm long and very thin, slightly curved, darker than ovary: stigma 0.5-0.8 x 0.5-0.6 mm, facing sideways, unlobed and head-shaped or with two roundish humps. Slaminate flowers 0.7-1 x 0.8-1.1 mm. with 3-4 stamens; anthers free, globose to cubic with rounded edges, 0.7-0.1 x 0.6-1 mm: connective with two small grooves, darker than thecae; filaments only 0.1-0.3 mm long, free or sometimes basally connate but not forming a columna; pores circular, one apical pore per theca. INFRUCTESCENCE and pollen unknown.
    Diagnostic
    Amorphoptiallus margretae belongs to the same E. African section as A. gallaensis. Spadix somewhat longer than the spathe; style 0.6-1 mm long.

    Distribution

    Amorphophallus margretae Ittenb. appears in other Kew resources:

    First published in Willdenowia 27: 156 (1997)

    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
    • Ittenbach, S. & Lobin, W. 1997. Notes on the gunus Amorphophallus (Araceae), 6: Six new species and two new subspecies from Africa Willdenowia. 27: 147-160

    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