1. Family: Araceae Juss.
    1. Filarum Nicolson

      1. This genus is accepted, and its native range is W. South America.

    [CATE]

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

    Diagnostic
    Small tuberous geophyte; leaf blade entire, cordate, fine venation reticulate; spathe much shorter than spadix; flowers unisexual, perigone absent; female zone of spadix adnate to spathe, spadix with slender terminal appendix. Differs from Zomicarpella in having prolonged, thread-like stamen connectives, tuberous stems and 1-ovulate ovaries.
    General Description
    HABIT : small herbs, tuber subglobose. LEAVES : few. PETIOLE : sheath short. BLADE : entire, cordate; primary lateral veins 3 per side, arising from petiole insertion, lower 2 pairs retrorse, all arcuately curving upwards forming submarginal collective vein, marginal vein distinct, higher order venation reticulate. INFLORESCENCE : 1-2 in each floral sympodium, appearing with leaves. PEDUNCLE : slender, longer or shorter than petiole. SPATHE : persistent, oblong-lanceolate, pale green. SPADIX : very slender, much longer than spathe, female zone adnate to spathe, few-flowered, male zone elongate, purple, sparsely flowered, with a very few sterile rudimentary flowers occurring above and below male zone, appendix slender, naked, elongate. FLOWERS : unisexual, perigone absent. MALE FLOWER : 1-androus, filaments very short, anthers nearly sessile, connective extremely long and drawn out into a filiform flexuose thread, thecae globose, dehiscing by apical pore. POLLEN : inaperturate, spherical, small to medium-sized (mean 21 µm.), exine spinose. FEMALE FLOWER : ovary oblong, 1-locular, ovule 1, anatropous, placenta basal, style attenuate, stigma small, subcapitate. BERRY : subglobose to globose, smooth, bearing the style and stigma remains. SEED : ellipsoid, testa thin, smooth, punctate, embryo ellipsoid, endosperm absent.
    Distribution
    W. South America.
    Habitat
    Tropical humid forest; geophytes, forest floor.

    Images

    Distribution

    Filarum Nicolson appears in other Kew resources:

    First published in Brittonia 18: 348 (1967)

    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.

    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