Philodendron validinervium Engl.
  • Bot. Jahrb. Syst. 37: 130 (1905) 

Notes: Distribution: Ecuador

General Description

Stem scandent, upper internodes up to 10 cm long, 1.2-1.5 cm thick. LEAVES: Petiole slightly canaliculate anteriorly (antice) at the base, shortly sheathed at the base, 40-50 cm long; blade sub-coriaceous, elongate-cordate-sagittate, 30-40 cm long 14-20 cm wide in the lower part; posterior lobes oblong, obtuse, separated by an obtuse sinus; anterior lobe oblong acuminate, 4-4.5 times longer than the posterior lobes; midrib thick in the lower part, attenuating upwards; primary lateral veins numerous, robust; 6-7 veins posterior lobes, not or only very shortly joined into a posterior rib, [directed] upwards near the margin, 14-15 primary lateral veins of the anterior lobe spreading on each side, from these robust secondary veins emerge. INFLORESCENCE: Peduncles 8-10 cm long, several in one inflorescence. Spathe oblong acute, slightly constricted halfway, measuring ca. 12 cm. Spadix subsessile; female zone cylindroid, 3-3.5 cm long, 1 cm thick; male zone oblong, obtuse, 6-7 cm long, sterile base thicker than female zone, attenuating upwards. Pistils shortly ovoid, almost 2 mm long, with a small discoid stigma, 4-locular, ovules ascending from the base. Male flowers usually triandrous; stamens prismatic, thecae of the top of the stamens obovate, not touching at all.



Distribution Map

  • Native distribution
Found in
  • Southern America Western South America Ecuador


  • 1 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.
  • 2 Krause, K. Araceae-Philodendroideae-Philodendreae-Philodendrinae. Das Pflanzenreich. 60 (IV.23Db), (1913).
  • 3 Gardens, K.""Royal Bot World Checklist of Selected Plant Families. (2008).

 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
eMonocot. (2010, 1st November). Retrieved Wednesday, 8th February, 2012, from
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The IUCN Red List of Threatened Species(tm)
  • C See for Terms and conditions of use All Rights Reserved
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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