Philodendron ornatum Schott
  • Oesterr. Bot. Wochenbl. 3: 378 (1853) 

Notes: Distribution: Trinidad-Tobago to S. Trop. America

General Description

Hemiepiphytic plant, forming a rosette in the mature flowering phase. Roots 0.3-0.5 mm in diameter, reddish when young and brown when adult. Internodes slender and elongate when young, in the adult phase they are 2-4 cm long, 1-3.3 cm in diameter. LEAVES: Prophyll 7-10 cm long, 3-4 cm wide, pinkish when new, marcescent and persistent when older, brown-grey-brown, membranous to fibrous. Petiole 20-66.3 cm long, 0.2-0.7 cm in diameter, convex adaxially with margins more or less angled, rounded abaxially, with dispersed purplish rings of extrafloral nectaries, apex densely verruculose and generally wine-coloured. Sheath inconspicuous in sympodial leaves. Leaf blade ovate in outline, apex acuminate to obtuse, apiculate, base cordate, texture nearly membranous, upper side glossy green, margin light green, midrib lighter than blade, lower side light green, semi-dull, primary lateral veins reddish when young; Anterior division 15-49.7 cm long, 15-36.4 cm wide; primary lateral veins 7-13 on both sides, interprimary veins present in the basal portion; posterior divisions 6-12 cm long, 12-36.4 cm wide, rounded, with a parabolic sinus, acroscopic primary lateral veins 2-3, basioscopic 1-2. INFLORESCENCE: 1-3 per floral sympodium. Peduncle 6-11 cm long, 0.4-0.7 cm in diameter, cylindric, smaller than the spathe. Spathe 12-17 cm long, acuminate at the apex, constricted; tube 5-7 cm long, 2.3-3.2 cm in diameter, externally light green, internally pink to carmine with resin canals; blade 7-10 cm long, 1.4-2.2 cm in diameter, externally light green, internally pink with resin canals. Spadix ca. 13 cm long, subsessile, decurrent; female zone 3.7 cm long, 1.7 cm in diameter, cylindric; intermediate sterile male zone 2.4 cm long, 1.2 cm in diameter, subcylindric, wider at the base; fertile male zone 6.9 cm long, 1.6 cm in diameter, acuminate towards the apex. Flowers: Stamens 3-4 per flower, 2.35 mm long, 1.35 mm wide. Staminodes 2.0 mm long, 1.75 mm wide. Gynoecium 3.5-4.0 mm long; ovary 2.85 mm long, 1.5 mm in diameter; locules 4-5 per ovary; ovules 20-25 per locule; placentation axile; style 0.75 mm long, 1.25 mm wide; stigma expanded to 0.8-1.25 cm wide. INFRUCTESCENCE: Not seen.


Occurs frequently in "mata de baxio", on sandy soil. (Steyermark et al 1995).


Trinidad and Tobago, French Guiana, Surinam, Venezuela, Bolivia, Eduador, Peru, Brazil (Acre, Amazonas, Bahia, Ceará, Espirito Santo, Minas Gerais, Pará, Pernambuco, Rio de Janeiro, Roraima and São Paulo).

Distribution Map

  • Native distribution
  • Introduced distribution
Found in
  • Southern America Brazil Brazil North
  • Brazil Northeast
  • Brazil Southeast
  • Caribbean Trinidad-Tobago
  • Northern South America French Guiana
  • Guyana
  • Suriname
  • Venezuela
  • Western South America Bolivia
  • Ecuador
  • Peru
Introduced into
  • Southern America Caribbean Puerto Rico


  • 1 Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: 1-1192.
  • 2 Arruda Pontes, T., Moreira de Andrade, I. & Alves, M. (2010). Flora da Usina São José, Igarassu, Pernambuco: Araceae. Rodriguésia; Revista do Instituto de Biologia Vegetal, Jardim Botânico e Estaçao Biologica do Itatiaya 61: 689-794.
  • 3 Nadruz Coelho, M.A. (2010). A família Araceae na reserva natural Vale, Linhares, Espírito Santo, Brasil. Boletim do Museu de Biologia Mello Leitão , n.s., 28: 41-87.
  • 4 Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
  • 5 Acevedo-Rodríguez, P. & Strong, M.T. (2005). Monocotyledons and Gymnosperms of Puerto Rico and the Virgin Islands. Contributions from the United States National Herbarium 52: 1-415.
  • 6 Almeida, V.R., Temponi, L.G. & Forzza, R.C. (2005). Araceae da Reserva Biológica da Represa do Grama - Descoberto, Minas gerais, Brasil. Rodriguésia; Revista do Instituto de Biologia Vegetal, Jardim Botânico e Estaçao Biologica do Itatiaya 56: 127-144.
  • 7 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.
  • 8 Soares, Mde Lourdes Levantamento floristico do gênero Philodendron Schott (Araceae) da Reserva Florestal Ducke, Manaus, Amazonas. Unpubl. M.Sc. Dissertation. (1996).

 Information From

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, 14 Dec 2011 . 17 Dec 2011.
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Global Biodiversity Information Facility
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eMonocot. (2010, 1st November). Retrieved Wednesday, 8th February, 2012, from
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World Checklist of Selected Plant Families
WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; Retrieved 2011 onwards
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