1. Family: Araceae Juss.
    1. Genus: Amorphophallus Blume ex Decne.
      1. Amorphophallus erythrororrhachis Hett., Pronk & R.Kaufmann

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

    [CATE]

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

    General Description

    Tuber depressed-globose, to 25 cm in diam., offsetting behaviour unknown. Leaf solitary; petiole to ca. 100 cm long, to 4.5 cm in diam.; lamina strongly divided, to ca. 100 cm wide, rachises winged distal from the basal main branching point, wings green or bright carmine-red; leaflets elliptic to lanceolate, 1-20 cm long, 0.9-6.5 cm wide, narro\vly acute or acuminate, upper surface all green or the basal part of the main vein bordered bright carmine-red. Inflorescence solitary; peduncle pale brown with numerous small whitish streaks and scattered rounded to elliptical blackish green spots or additionally with rounded or elliptical whitish-greenish spots and/or with pale brown spots with a blackish margin; spathe elliptic, 67 cm long, 28 cm wide, base obconical, not strongly separated from limb, limb expanded, upper half strongly helically twisted, outside a complex, dense pattern of dark green or pale greyish green rounded spots on a pale greyish olive-green background with numerous white punctiform spots, upwards with or w ithout a dark brown hue, inside base deep or pale maroon, the rest ivory w hite towards the margin changing to pale brownish greenish with scattered, rounded blackish green spots, base inside strongly grooved-verrucate, apex acute. Spadix shorter than spathe, 45.5 cm long; female zone subcylindric, apex slightly expanded, 7.5 cm long, 3.5 cm in diam., flowers slightly distant; male zone subcylindric, base slightly constricted, 8 cm long, 2.8 cm in diam. at the base, 3.2 cm at the apex, flowers densely congested; appendix elongate conical, 30 cm long, 4 cm in diam., hollow, surface slightly grooved and rugulose, pale grey or pale greyish green, apex subacute to obtuse. Ovary ovate, 3 mm long, 3 mm in diam, bilocular, lower half bright pale green, upper half dull olive-green or dark purple, placentation basal; style cylindric, 2-2.3 mm long, 1 mm in diam., olive-green or da rk pu rple; stigma depressed, obcordate in lateral view, deeply bilobed, 2.5 mm in diam., l.5 mm high, lobes rounded, surface densely verrucate, dirty pale ochre. Male flowers consisting of (2-)3-5 stamens; stamens 2.5 mm long, 2 mm in diam.; filaments thick, 0.5 mm long, off white, free; anthers truncated, 2 mm long, off-white, pores apical, slit-like, connectives olive-green or maroon. Pollen psilate.

    Distribution

    Native to:

    Madagascar

    Amorphophallus erythrororrhachis Hett., Pronk & R.Kaufmann appears in other Kew resources:

    First published in Aroideana 29: 50 (2006)

    Accepted by

    • 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