1. Family: Araceae Juss.
    1. Genus: Anthurium Schott
      1. Anthurium madisonianum Croat

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

    [CATE]

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

    General Description
    Epiphyte; internodes short, 1.5-3.5 cm diam.; cataphylls moderately thin, reddish brown, 8-14 cm long, decomposing into coarse fibers, persistent. LEAVES spreading; petiole (15-)36-47 (-70) cm x 3-8 mm, terete to flattened adaxially; geniculum 1-2 cm x 4-6 mm; blades deeply trilobed to 6.5-10.0 cm from the base, subcoriaceous, 25-60 x 24-56 cm, green above, moderately paler beneath, both surfaces semiglossy, base acute [truncate]; central lobe narrowly oblong-lanceolate to oblong-ovate, 21-50 x 5-13 cm, apex acuminate; midrib raised above, angled, sunken toward the apex, raised below; primary lateral veins 5-7 per side, straight, raised (sunken) above, rounded, raised below, departing midrib at 25-35°; tertiary veins scarcely visible, more conspicuous upon drying; collective veins arising from one of the lowermost pairs of primary lateral veins, 2-4 mm from the margin, sunken above, raised below; lateral lobes falcate, 45-55° [90°] from central lobe, (12.5-)20.0-48.0 x 5-11 cm, apex narrowly rounded, inner margin concave, outer margin convex; basal veins 3-4 pairs, the first usually joined for 1-4 cm (free), those remaining joined for 4.5-15.0 cm; posterior ribs straight, 50-60°(-80°) from midrib, naked for 2-5 cm. INFLORESCENCE spreading; peduncle 24-60 cm x 3-7 mm, shorter than petiole (equal); spathe green (tinged red-violet), lanceolate, 9-20 x 1-2 cm, apex acuminate, base acute; stipe 3-7 mm long; spadix red-violet, narrowly tapered, 9-18 cm long, 4-9 mm diam. at base, 3-5 mm diam. at apex; 6-8 flowers per principal spiral, rhombic, 1.7-2.5 x 1.6-2.2 mm, sides straight to weakly sigmoid; tepals glossy, lateral tepals 0.4-0.6 mm wide, inner margin rounded to straight, outer margin bluntly angled; stamens barely emerging, retracted beneath the edge of the tepals upon drying; anthers ca. 0.3 x 0.6 mm, thecae elliptic, divaricate; pistils emergent; stigma elliptic ca. 0.5 mm across. INFRUCTESCENCE reddish violet, 10-18 x 0.9-1.5 cm; fruits red at apex, paler or whitish near base, subglobose, 2-4 mm diam.
    Habitat
    Premontane wet forests and tropical wet forests.
    Distribution
    Endemic to western Panama.

    Distribution

    Native to:

    Panamá

    Anthurium madisonianum Croat appears in other Kew resources:

    First published in Monogr. Syst. Bot. Missouri Bot. Gard. 14: 132 (1986)

    Accepted by

    • Carlsen, M.M. & Croat, T.B. (2007). Taxonomic revision of Anthurium section Semaeophllium Schott (Araceae) Harvard Papers in Botany 12: 173-234.
    • 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. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.

    Literature

    Kew Backbone Distributions
    • Carlsen, M.M. & Croat, T.B. (2007). Taxonomic revision of Anthurium section Semaeophllium Schott (Araceae) Harvard Papers in Botany 12: 173-234.

    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