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  1. Family: Araceae Juss.
    1. Genus: Carlephyton Jum.
      1. Carlephyton glaucophyllum Bogner

        This species is accepted, and its native range is Madagascar (Ankarana Mountains).


    CATE Araceae, 17 Dec 2011.

    General Description
    Perennial tuberous herb with a tuber with a period of rest dormancy for several months during the dry season; tuber globose, flattened, 3-6 x 2-4 cm. LEAVES: Leaf solitary leaf, rarely 2-3, appearing simultaneously with the 1-2 inflorescences; petiole 25-50 cm long, reaching 1 cm diameter, cylindric, tainted red; sheath 1-5 cm long; leaf blade largely ovate, cordate at the base, cuspidate at apex, glaucous on upper surface, ± pale green on the under side, pruinose on both sides, Somewhat coriaceous, 15-30 x 12-24 cm, attenuating to a point 2-3 cm long; mid rib thick; 5-7 primary lateral veins each side, of which the lower 2-3 depart from the base of the midrib, joined briefly, 3 collective veins at the leaf's edge, the inner one has a distance of 0.8-1.5 cm from the edge of the leaf, the outer one ca. 2 mm and an average of 4-5 mm from the edge of the leaf, the last 2 of which are weaker. INFLORESCENCE: Peduncle 15-30 x 0.3-0.4 cm, red. Spathe elliptic, not narrowed, attenuating to a stretched tapered point, ± cuspid, decurrent along the peduncle, 7-11 x 2.5-5 cm, red inside and outside and in the part containing the male and female or bisexual flowers, white in the upper part outside and inside, the color changes a little from red to white; spathe open during anthesis, closed and dehiscing in the top part in fructescence. Spadix 6-10 cm long; male zone 4-6 x 0.4-0.5 cm; appendix 0.5-1 cm long, orange; female or male or bisexual zone joined laterally with the spathe, 1.5-2 cm long; axis of male and female and bisexual zones, greenish-white-greenish, that the male zone yellow-orange; the male and female zones (and if necessary the bisexual zone) directly superimposed; male flowers progressively more sparse to a short appendix; all the flowers displayed loosely on the spadix. Synandrium with 2 stamens, but, in the upper part, male flowers have one stamen; synandrium 0.5-0.8 x 1-1.5 mm, covered by miniscule papillate thecae inserted at the top, on the outside edge or on the apex of filaments, these last ones ± free and then curved laterally, synandrium in the shape of a hammer viewed laterally; those at the apex of the spadix reduced to one stamen with a filament curved towards the base, thecae inserted at the apex of the filament, dehiscing via a slit; synadriums orange towards the base, more paler or whitish towards the top, thecae yellowish to light brown; 10-15 flowers bisexual nearly only female flowers present; bisexual or female flowers 1-1.2 mm diameter, 1.5 mm long, white greenish; pistil surrounded by a synandrodium with 1-8 thecae; synandrodium covered externally with miniscule papillae, edge of synandrodium verrucose, whitish; edge verrucose between placed with the spaces in bisexual flowers. Ovary shortly attenuateing on a very short style; stigma discoid ca.0.5mm diameter, a little concave in the centre, brownish. INFRUCTESCENCE: Berries ellipsoid ca. 6-7 x 3-4 mm with a vestige of a brown style, brown, green-yellowish (at maturity?) Number chromosomes 2n-54
    Flowers in the month of December.
    Almost only bisexual flowers present or some bisexual flowers concurrent to female flowers; short appendix, obtuse, 0.5-1cm long; leaf blade pruinose, glaucous.
    C. glaucophyllum grows in small colonies with the clusters in collections of humus acid (pH5.4-5.8) in the cracks formed in limestome formations and equally in the basalt rocks and on the edge of limestone formations. Accompanied by Amorphophallus hildebrandtii, Carlephyton madagascariencse, Remusatia vivipara and Tacca leontopetaloides
    This species only known in the massif de l'Ankarana, between 150 and 200 m altitude.



    Native to:


    Other Data

    Carlephyton glaucophyllum Bogner appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Dec 8, 1971 Bogner, J. [167], Madagascar K000345970 isotype
    Dec 8, 1971 Bogner, J. [167], Madagascar K000345969 isotype
    Bogner, J. [167], Madagascar 31944.000
    Bogner, J. [170], Madagascar 34404.000
    Bogner, J. [167], Madagascar 34472.000 isotype
    Bogner, J. [167], Madagascar 42472.000


    First published in Bot. Jahrb. Syst. 92: 15 (1972)

    Accepted by

    • 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. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.


    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.

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