Philodendron duckei Croat & Grayum
  • Novon 4: 213 (1994) 


Notes: Distribution: Guianas, N. Brazil

General Description

Terrestrial or hemiepiphytic near the ground. Internodes purplish to brownish, semiglossy, terete, 1- 5(8) cm long, 3-5 mm diam., drying dark brown, sharply ribbed, densely and minutely scaly-scaberulous (sometimes smooth in age; merely scaberulous in material from Saiil). LEAVES: Petioles 3-7 cm long, sheathed throughout, the sheath matte, erect and incurled, 3-4 mm wide when flattened, closely striate, the striae and lower part of lower midrib often densely scaberulous, sheath apex rounded and slightly overlapping base of blade. Blades slightly inequilateral, one side 7-1 1 mm narrower, oblong-elliptic, 6.5- 21 cm long, 2.5-7 cm wide, gradually acuminate at apex, acute to narrowly rounded or weakly cordulate at base, thin, dark green, matte and subvelvety above, slightly paler and matte below, drying grayish to olive-green above, yellowish gray-green to yellowish brown below. Major veins sunken above, slightly paler and matte below; major veins raised below. Midrib and primary lateral veins sunken above; midrib prominently raised and slightly paler below, drying brownish; primary lateral veins 9-13 pairs, arising at 50-60º angle, weakly arcuate to margin, ± pleated-raised below, drying slightly paler than the surface. Minor veins fine, distinct. Inflorescence 1 per axil. INFLORESCENCES: Peduncle 1.5-2 cm long, less than 3 mm diam. when dried. Spathe 7-8 cm long, 7-15 mm diam., weakly constricted just above the tube, the tube 1.5-1.7 cm diam. Spadix 6.5-8 cm long, the pistillate part 2.2 cm long, 6 mm diam.; staminate portion to 3.2 cm long, < 3 mm diam. on drying throughout. Infructescence 2.5-3.5 cm long, drying 10-15 cm diam.

Distribution

The species ranges from French Guiana to northeastern Brazil (Amapi and Pari) to as far south as 4º11’S.

Distribution Map

 
  • Native distribution
Specimens
Found in
  • Southern America Brazil Brazil North
  • Northern South America French Guiana
  • Suriname

  Bibliography

  • 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 Grayum, T.Bernard Cr & Howard, M. Philodendron Subgenus Pteromischum (Araceae) from Saül, French Guiana. Novon. 4, (1994).

 Information From

CATE Araceae
http://araceae.e-monocot.org
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 http://e-monocot.org.
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World Checklist of Selected Plant Families
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WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://apps.kew.org/wcsp/ Retrieved 2011 onwards
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