Philodendron tortum M.L.Soares & Mayo
  • Feddes Repert. 112: 42 (2001) 

Notes: Distribution: Brazil (Amazonas)

General Description

Root-climbing, herbaceous liana with roots 0.3 - 0.5 cm diam. Internodes up to 7 cm long, 2.6 - 2.7 cm diam., strongly angled, grey-green, semi-glossy, relatively shorter in flowering portion of stem. LEAVES: prophyll 8 - 14 cm long, 2-keeled, dark green, with paler striae, strongly twisted or even spiralled, caducous; petiole 30 - 63.5 x 0.8 - 2.0 cm diam., dark green with fine dark purplish striae, semi-spongy, adaxial surface slightly sulcate with rounded margins, abaxial surface rounded, extrafloral nectaries purplish near the apex; leaf blade deeply pinnatifid, adaxial surface glossy dark green with sulcate midrib, abaxial surface pale green with midrib and primary lateral veins prominent and paler than the lamina; anterior division 39 - 62.5 x 50 - 61.5 cm, primary lateral lobes 9 - 10 on each side, each 2 - 4 cm wide halfway along its length, with a single primary lateral vein, apex somewhat acuminate, separated by sinuses (1.5) 2 - 3 (5.0) cm wide at base; posterior divisions weakly developed, represented by the basal pinna on either side, each 4 - 5.5 x 22 - 29 cm, apex somewhat curved towards leaf apex and with 2 basiscopic lobes, the proximal one less well developed. INFLORESCENCE: 2 - 5 (-6) in each floral sympodium; peduncle 9 - 21 x 0.3 - 0.4 cm, subcylindric; spathe 10.5 cm long, constricted; tube 3 - 5.5 cm long x 2.0 - 2.5 cm diam., externally pale green with darker striae when immature, when mature green with reddish spots, internally purplish red; blade 2.5 - 5 x 1.5 - 1.8 cm, pale green on both sides, excretory resin canals lacking; spadix 8.8 cm long, subsessile, slightly decurrent; female zone 4 x 1.5 cm, cream coloured; intermediate sterile male zone 0.8 - 1.2 cm; fertile male zone 4 - 0.8 cm. Flowers: stamens 3 - 4 per flower, 1.25 - 1.5 x c. 0.65 mm, thickening towards the apex; gynoecium 2.25 - 2.5 mm long with raphides present throughout its length; ovary 1.25 - 1.75 x c. 0.75 mm; locules 6 - 7 per ovary, filled with translucent mucilaginous contents; ovules 3 per locule, c. 0.2 mm long, hemianatropous, with few trichomes at the funicle base; placentation axile, ovules inserted a little below the centre of the ovary; style c. 0.5 - 0.75 x 1.0 mm; stigma 0.5 - 0.6 mm broad, discoid. INFRUCTESCENCE not seen.


Root-climber always above 2m on tree boles; in the Ducke Forest Reserve in humid forest ("mata de baixio", "floresta de platô").


Brazil (Amazonas).

Distribution Map

  • Native distribution
Found in
  • Southern America Brazil Brazil North


  • 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 Mayo, S.Joseph & Soares, Mde Lourdes Three new species of Philodendron (Araceae) from the Ducke Forest Reserve, central Amazonas, Brazil. Feddes Repertorium. 112(1-2), (2001).

 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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