Philodendron amplisinum G.S.Bunting
  • Phytologia 60: 307 (1986) 


Notes: Distribution: Venezuela (Zulia)

General Description

Scandent herb. Stem up to 3 m long, 4-7 cm thick, internodes decidedly short, naked except for the apex hidden by remaining dry and fibrous cataphylls. Cataphylls 22 cm long. LEAVES: Petioles solid, subterete, ventrally angular-convex, or flattened below, 65-98 cm long, 1.7 cm thick, black (when dry), sheathed region 4-7 cm long, geniculate distally for more or less 6 cm. Leaf blade chartaceous or subcoriaceous but brittle, outline broadly ovate 52-77 cm long, 46-57 wide, with large semicircular posterior lobes at the base, sinus hippocrepiform or spathulate, 15-20 cm long to 11 cm wide, separate or lobes rarely imbricate, sinus closed and obovate, broadly obtuse towards apex (100-140º), apex itself acuminate (4-5 cm), dark brown when dry, venation black, midrib 0.8 cm wide, primary lateral veins 5 (-6) on both sides, origination from the midrib at an angle of 35-50º, minor veins arising from below the primary lateral veins, ca. 5 robust veins in each of the posterior lobes, joined into a rib, naked for 5-8.5 cm in the sinus. INFLORESCENCES in pairs. Peduncle 16-18 cm long marked with pale interrupted striations sometimes reaching near the apex. Spathe 13-18 cm long, tube 5.5-8.5 x 2.5-4.3 cm externally dark green, limb externally pale green. Spadix; female zone (bearing fruit) 6-7.3 x 2.5 cm, sterile male zone 1.5 cm long, fertile zone subequal to the female zone. Pistillate flowers: ovaries 3-5 locular, ovules in each locule numerous, positioned at the top. Staminate flowers 5-4-androus. INFRUCTESCENCE: Berries 0.9 cm long.

Distribution

Venezuela.

Distribution Map

 
  • Native distribution
Found in
  • Southern America Northern South America Venezuela

  Bibliography

  • 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 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.
  • 3 Bunting, G.S."" New taxa of Venezuelan Araceae. Phytologia. 60 (5), (1986).
  • 4 Gardens, K.""Royal Bot World Checklist of Selected Plant Families. (2008).

 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
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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
http://apps.kew.org/wcsp/
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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