Philodendron myrmecophilum Engl.
  • Bot. Jahrb. Syst. 37: 127 (1905) 

Notes: Distribution: N. & WC. Brazil

General Description

Hemi-epiphytic, epiphytic or terrestrial vine. Stem: green apex becoming greyish-brown in the mature parts, internodes 1-5 cm long. Prophyll 17-20 x 2.5-3 cm, triangular to narrowly triangular, green to greenish-cream to greenish-vinaceous, frequently with vinaceous extrafloral nectaries. LEAVES: Petiole 37-65 cm long. Leaf blade 40-60 x 25-38 cm, ovate-sagittate, apex acute, base sagittate to cordate, chartaceous to subcoriaceous; anterior division 29-40 x 25-38 cm, primary lateral veins 5-8 per side; posterior divisions 9-22.5 x 10-22 cm, acroscopic veins 0-1 per side, basioscopic veins 2 per side; basal veins 3-5 per side, none free to base; posterior rib naked for 3-5.5 cm. INFLORESCENCE: 1-3 per floral sympodium, peduncle 9-20 cm long. Spathe 14-21 x 4-4.5 cm, boat-shaped, weakly constricted, outside green with white grooves on the blade and greenish-vinaceous at the base, inside cream on the blade and vinaceous at the base. Spadix 12-13.5 cm long, male zone 8-8.5 cm long, cream; male sterile zone 0.8-1 cm long, cream; female zone 4-4.5 cm long, pale green. Flowers: stamens 0.7-1.2 x 0.4-1 mm, staminodes 1.2-2 x 1-1.6 mm; gynoecium 2.8-3.5 x 0.8-1.2 mm, ovoid, ovary 5-locular, ovule 1 per locule, placentation basal. INFRUCTESCENCE: Berries not seen.


Hemi-epiphytic or terrestrial in Amazon Forest, mainly “terra firme” forest.


Widespread in Central and Northern Brazil.


Least Concern (LC). Widely distributed in Central and Northern Brazil, this species is not particularly threatened. However, with the increasing destruction of the Brazilian vegetation it may become locally endangered in states such as Mato Grosso and Roraima, where it has seldom been collected.

Distribution Map

  • Native distribution
Found in
  • Southern America Brazil Brazil North
  • Brazil West-Central


  • 1 Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
  • 2 Sakuragui, C.M., Mayo, S.J. & Zappi, D.C. (2005). Taxonomic revision of Brazilian species of Philodendron. Kew Bulletin 60: 465-513.
  • 3 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.
  • 4 Sakuragui, C.M., Mayo, S.Joseph & Zappi, D.C. Taxonomic revision of Brazilian species of Philodendron section Macrobelium Kew Bull. 60, (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.
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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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