Philodendron folsomii Croat
  • Ann. Missouri Bot. Gard. 84: 393 (1997) 

Notes: Distribution: Panama

General Description

Epiphytic; stem scandent; internodes short, 1--1.5 cm long, 8--20 mm diam., about as long as broad; cataphylls 11--16 cm long, sharply 2-ribbed, green, deciduous; roots not seen; LEAVES: petioles 12--17 cm long, 3--5 mm diam., subterete, obtusely sulcate; blades oblong-lanceolate, narrowly acuminate at apex, obtuse to almost rounded and decurrent, sometimes nearly truncate at base, 28--33 cm long, 5--7 cm wide (4.6--5.2 times longer than wide), (1.8--2.3 times longer than petiole), upper surface drying gray-green to brownish green; lower surface paler, drying yellowish green; midrib sunken above, convex, drying paler than surface below; basal veins 1--2, free to base; primary lateral veins 8--10 per side, departing midrib at a 35E angle, arcuate to the margins, distinct above; minor veins arising from the midrib only. INFLORESCENCES 1--2 per axil; peduncle 10--11.5 cm long, 2--5 mm diam.; spathe 10--12 cm long (about as long as the peduncle), white throughout outside; spathe tube 5.5 cm long, 2.5 mm diam.; spadix short stipitate; 7--8 cm long; pistillate portion 3--4.1 cm long, 6--7 mm diam.; staminate portion 3.8--4 cm long; sterile staminate portion whitish; pistils 0.8 mm long, 0.6 mm diam.; ovary 6--7-locular, locules 0.6 mm long, 0.3 mm diam., ovule sac 0.6 mm long, with sub-basal placentation; ovules 1 per locule, contained within gelatinous transparent matrix (no true envelope), 0.2--0.35 mm long, as long as funicle; funicle 0.2--0.3 mm long (can be pulled free to base), with glands at base, style similar to style type B; style apex flat; stigma subdiscoid, unlobed, more or less truncate, 0.9 mm diam., 0.3 mm high, covering almost entire style apex; the androecium truncate, prismatic, margins irregularly 5--6-sided, 0.6--0.8 mm long.


Premontane rain forest.


Endemic to Panama, known only from the type locality in Coclé Department.

Distribution Map

  • Native distribution
Found in
  • Southern America Central America Panamá


  • 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 Croat, T.Bernard A revision of Philodendron subgenus Philodendron (Araceae) for Mexico and Central America Ann. Missouri Bot. Gard. 84, (1997).

 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
  • B 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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