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

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


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

    General Description
    Usually terrestrial; stems 10 cm or more long, ca. 2 cm diam., leaf scars ca. 1 cm wide, mostly obscured by cataphylls; roots moderately thick, green, descending; cataphylls subcoriaceous, 15-24 cm long, acute at apex with minute subapical apiculum, drying brown (B & K. Yellow 4/5-4/7.5), persisting intact. LEAVES with petioles erect-spreading, 26-58 cm long, 5-7 mm diam., narrowly sulcate, the margins acute, sometimes several ribbed abaxially; geniculum 2-3 cm long; blades moderately thick, ovate, acuminate at apex, deeply lobed at base, (16-)28-49 cm long, (11-) 22-36 cm wide, broadest at point of petiole attachment or just above; anterior lobe (15-)23-34 cm long, the margins rounded, posterior lobes (4.2-)9-13 cm long, from apex of sinus to outermost point; sinus triangular to hippocrepiform, usually acute at apex; upper surface semiglossy with conspicuous round raphide cells; lower surface glossy; midrib acutely raised from base to middle, flat to weakly sunken toward apex above, acutely raised below; basal veins (3-)5-6 pairs, free to the base, sunken above, raised below, posterior rib absent; primary lateral veins 3-6 per side, departing midrib at 40-45° angle, sunken above, raised below, more or less straight to collective vein; interprimary veins weakly sunken above, obscure below; collective vein arising from the first or second basal vein, 3-5 mm from margin, sunken above, raised below. INFLORESCENCE erect, shorter than leaves; peduncle 10-24 cm long, 4-6 mm diam., one-half to one-third as long as petiole; spathe subcoriaceous, pale green, ovate to broadly lanceolate, 6-10 cm long, 2-4.5 cm wide, broadest near the base, long-acuminate to cuspidate at apex, rounded, more or less clasping at base; spadix pale green to creamy white, turning violet purple at anthesis, scarcely tapered at apex, (4.5-)6-10 cm long, 8-10 mm diam. near base, 6-8 mm diam. near apex; flowers rhombic, 1.7-1.9 mm long, 1.8-2.1 mm wide, the sides sigmoid, 6-9 flowers visible in the principal spiral, 11-15 flowers visible in the alternate spiral; lateral tepals ca. 1.1 mm wide, the inner margin convex; pistils scarcely emergent; stigmas linear; stamens emerging in a scattered manner, laterals usually emerging throughout before alternates emerge; anthers held at edge of tepals; thecae ovate. INFRUCTESCENCE erect; spathe usually reflexed; spadix 8-10 cm long, 2-2.3 cm diam.; immature berries rounded at apex, white to pale purple.
    Tropical wet forest.
    Endemic to Panama and is known from the vicinity of Cerro Jefe and Altos de Pacora. It is also recorded in Santa Rita in Colon.



    Native to:


    Anthurium tysonii Croat appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Croat, T.B. [49090], Panama K000434430 isotype

    First published in Monogr. Syst. Bot. Missouri Bot. Gard. 14: 193 (1986)

    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. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.


    CATE Araceae
    • Croat, T.B. 1986. A revision of the genus Anthurium (Araceae) of Mexico and Central America. Part II: Panama. Monographs in Systematic Botany from the Missouri Botanical Garden. 14: 1-204


    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 http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. 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 2020. 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