Philodendron reticulatum Grayum
  • Rodriguésia 56: 109 (2005) 

Notes: Distribution: N. Peru

General Description

Hemiepiphytic climber; internodes 1-2.5 cm long, drying matte, medium to dark yellow-brown, closely folded-ridged. LEAVES: Petioles 14.5 cm long, sheathed to the base of blade or to within 6 mm of the base; sheath erect, drying yellow-green, many ribbed, matte; free portion of petiole sharply sulcate; blades narrowly elliptic, 25.6- 29.5 × 9.5-10.1 cm, 2.6-2.9 times longer than wide, 2-3.1 times longer than petioles, gradually long-acuminate at apex, narrowly rounded at base, markedly inequilateral, one side 2.1-2.2 cm wider, dark green and semi-glossy above, paler and semiglossy below, drying gray above, yellow-green below; midrib weakly sunken and paler, dark-speckled above, narrowly round-raised, yellow-brown and finely striate below; primary lateral veins 8-9 per side, arising at a steep angle then spreading at 60-70° angle, drying weakly raised and scarcely more apparent than the interprimary veins above, convex to narrowly rounded and moderately paler below with whitish stitching along margins; cross-veins moderately conspicuous below, less so on upper surface; the surface weakly pale punctate-lineate above, more conspicuously below. INFLORESCENCE solitary; peduncle 3 cm ×2-3 mm, drying yellow-brown, drying dark short-lineate near apex; spathe 6.5 cm × 11 mm, drying dark yellow-brown, matte; spadix 4.4 cm long; pistillate portion 1.9-2.2 cm × 9 mm; style 0.8-1.2 mm diam., with a broad, thin apron; stigma 0.6-0.7 mm diam., donut-shaped; staminate portion 1.4 cm long, narrowly tapered 2 mm diam.

Diagnostic Description

Characterized by closely folded yellow-brown drying stems, nearly fully sheathed narrow petioles, narrowly elliptic blades which dry yellow-green below with prominent cross-veins giving the surface a prominent reticulate venation.


Tropical wet forest (T-wf) and Premontane wet forest (P-wf) life zones.


Known only from the type specimen in Amazonas Department in Peru.

Distribution Map

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


  • 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.Bernard, Swart, A. & Yates, E.D. New species of Araceae from the Río Cenepa region, Amazonas Department, Perú. Rodriguésia. 56(88), (2005).

 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
  • B All Rights Reserved
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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