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

        This species is accepted, and its native range is Ecuador (Esmeraldas).


    CATE Araceae, 17 Dec 2011.


    Anthurium werffi is known only from the Pacific slope of Ecuador in Esmeraldas Province at (200) 500-550 m in Tropical rainforest (T-rt) and Tropical wetforest (T-wf).

    General Description

    Epilithic; stems ca. 5 cm long; internodes short, less than 1 cm diam.; roots moderately few, ca. 3 mm diam.; cataphylls 5-7 cm long, soon weathering into thin, yellow-brown, persistent fibers, 1-2 of the uppermost persisting intact, dark brown. LEAVES erect, soon spreading to reflexed; petioles 11-23 cm x 2 mm, terete or slightly sulcate; geniculum 1-1.5 cm long, drying darker than petiole; blades narrowly oblong-elliptic, reticulately veined, epunctate, about the same length as the petioles, subcoriaceous, oblong-oblanceolate, 15-23 x 2-3.5 cm, gradually acuminate at apex (acumen 1-1.5 cm long, apiculate 2 mm), narrowly acute at base, drying yellowish green; midrib weakly raised above, round raised below; primary lateral veins 5-7 pairs per side, prominently ascending, departing midrib at 20-30° angle, drying yellow below (otherwise tertiary veins nearly as prominent); basal veins 1 pair, rising from the base, collective vein arising from primary lateral veins in the middle to lower third of the blade; INFLORESCENCE erect, much shorter to slightly longer than petioles 02-25 cm); peduncles 8-22 cm long, slender; spathe oblong-Ianceolate, 2-2.5 cm x 6-8 mm, spreading to reflexed, acute to acuminate at apex, green tinged with purple, inserted at ca. 45° angle; spadix stipitate (stipe 2-3 mm long), spadix yellow or green, cylindric to slightly tapered toward apex, 1.5-3.5 cm x 3 mm at anthesis. Flowers square, 1.7-2.0 x 1.8-2.0 mm, the sides perpendicular to spirals, sigmoid; 3 or 4 flowers visible in both principal and alternate spiral; lateral tepals 1.0 X 0.7 mm, inner margins convex; pistils not emergent. INFRUCTESCENCE erect; spathe persistent; berries globose, round at apex, 4.7 x 3 mm, each purple on upper third, without visible raphide cells, bilocular; seeds one per locule, 3 x 1.6 mm, 1.4 mm thick, with small transparent mucilage at micropylar end.


    This species grows principally on rocks or trees along and within streams.



    Native to:


    Other Data

    Anthurium werffii Croat appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    van der Werff, H. [11981], Ecuador K000400305 isotype


    First published in Aroideana 30: 36 (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.


    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.

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at and
    © Copyright 2017 World Checklist of Selected Plant Families.

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at and
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families.