Philodendron wadedavisii Croat
  • Willdenowia 36: 893 (2006) 

Notes: Distribution: Colombia to Brazil (Amazonas)

General Description

Hemiepiphyte [description from dried material]. Internodes 1-2 cm long, 0.5-0.8 cm in diam., glossy, drying pale yellow-brown, closely ridged. Cataphylls 6-10 cm long, green, unribbed, persistent only at uppermost nodes, deciduous intact. Petioles 7-9 cm long (averaging 8 cm), brownish yellow, closely and irregularly ridged longitudinally. Blades narrowly elliptic to narrowly obovate-elliptic, 28-40.5 × 8.5-10 cm (averaging 33.8 × 9.17 cm), 3.7× longer than wide, narrowly long-acuminate at apex, acute to rounded at base, subcoriaceous, drying dark yellowish brown above, glossy both above and below; major veins drying paler than the upper surface, darker than the lower surface; midrib drying flat and concolourous to slightly darker above, bluntly angular and paler, yellowish brown, drying finely ridged below; primary lateral veins 8-9 pairs per side, flat and concolourous above, convex and lighter below, departing midrib at 35-50° angle; interprimary veins moderately few in number but moderately distinct when present. Inflorescence 1-2 per axil; peduncle 3.5-4.5 cm long, drying 0.2-0.3 cm wide midway. Spathe 6.3-6.6 cm long, 1-1.5 cm in diam. at anthesis, flattening to 3.5 cm wide at tube, medium green outside, paler green within, coarsely marked with resin canals on inner surface, these extending to 1/3 up the blade, about 2/3 of the entire spathe. Spadix 5.3 cm long; pistillate portion 2.4 cm long, 0.6-0.7 cm in diam.; staminate portion 2.8 cm long; sterile staminate portion 0.5 cm long, 0.4 cm in diam., white; fertile staminate portion 0.5 cm wide. Stigmas button-shaped with 5-6 holes, subtended by a broad pale apron, about twice as broad as stigma, 0.5 mm wide, pistils widely spaced, c. 3 mm long; ovary 5-6-locular; ovules 1 per locule.

Diagnostic Description

Planta hemiepiphytica; internodia 1-2 cm longa, 5-8 mm diam.; cataphylla 6-10 cm longa, decidua; petiolus 7-9 cm longus; lamina anguste elliptica vel anguste obovato-elliptica, 28-40.5 cm longa, 8.5-10 cm lata, nervis primariis lateralibus 8-9 utroque; inflorescentia 1-2 per quoque axillam, pedunculo 3.5-4.5 cm longo; spatha 6.3-6.6 cm longa, 1-1.5 cm diam., viridis; spadix 5.3 cm longus.


Philodendron wadedavisii is known from NW Brazil along the upper Río Solimões and from SE Colombia in Vaupes Department along the Río Apaporis and the Río Piraparana (which lies somewhat to the north) between 00º36-38'S and 70º74-76'W at 250-700 m.

Distribution Map

  • Native distribution
Found in
  • Southern America Brazil Brazil North
  • Western South America Colombia


  • 1 Govaerts, R.H.A. (2011). World checklist of selected plant families published update. Facilitated by the Trustees of the Royal Botanic Gardens, Kew.
  • 2 Croat, T. & Yu, G. Four new species of Philodendron (Araceae) from South America. Willdenowia. Mitteilungen aus dem Botanischen Garten und Museum Berlin-Dahlem. Berlin-Dahlem 36, 894 (2006).

 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.
  • A All Rights Reserved
Global Biodiversity Information Facility
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eMonocot. (2010, 1st November). Retrieved Wednesday, 8th February, 2012, from
  • C Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
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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