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

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

    [CPLC]

    Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

    Distribution
    Nativa, endémica y cultivada en Colombia; Alt. 500 - 2000 m.; Andes.
    Habit
    Hierba, Rupícola
    Conservation
    No Evaluada
    [CATE]

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

    Distribution

    Anthurium vanderknaapii is endemic to Colombia, known only from two localities, the type locality on the western slope of the Cordillera Occidentale, as well as near Manizales in the Cordillera Central.

    General Description

    Terrestrial, rupicolous, 1.5 m tall; internodes 2-6 (-7) cm long, to 5-8 mm diam., medium to dark green, semiglossy; roots a few at each node; cataphylls 5-8.5 cm long, turning reddish brown, sharply 1-ribbed near apex, persisting semi-intact at upper nodes; petioles 4-9 (-13.5) cm long, ca. 2 mm diam., subterete to weakly and narrowly flattened, weakly sulcate adaxially, medium dark green and semiglossy and obscurely densely short-lineate, drying light to medium reddish brown; geniculum 5-15 mm long, scarcely thicker, obtusely C-shaped to sharply C-shaped, blades subcoriaceous, dark green and moderately glossy above, slightly paler to slightly less glossy below, drying dark green to olive-green above, slightly paler yellow-green below, lanceolate, (8-)13-14(-19) cm long, (2.8-)3-4.5(-6.3) cm wide at middle; midrib raised and paler (drying concolorous) above, drying narrowly raised and slightly paler yellow below; primary lateral veins ca. 5-7 pairs per side, weakly etched above, slightly darker and flat below. INFLORESCENCE erect; peduncle 14-17.5 cm long, 1.5-2 mm diam., drying dark reddish brown, slightly ribbed; spathe broadly ovate, 4-4.5 cm long, 2.5-3.8 cm wide at widest point, almost as broad as long, subcordate, emerging white, soon becoming red-orange, then greenish in age, drying reddish brown, weakly glossy above, semiglossy below; spadix bright golden-yellow to orange, 3.5-6.5 cm long, 4-6 mm wide before anthesis, up to 1.7 cm wide at anthesis, ageing to a dirty pink, drying dark brown to dark reddish brown. Flowers 5-6 per spiral, square, the margins straight on the principal spiral, weakly sinuate on the perpendicular margins; tepals weakly glossy; pollen yellow; berries orange-red; seeds 2.25 mm long, 1.5 mm diam.; mesocarp juicy.

    Distribution

    Native to:

    Colombia

    Anthurium vanderknaapii Croat appears in other Kew resources:

    First published in Aroideana 30: 35 (2007)

    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

    Catálogo de Plantas y Líquenes de Colombia
    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