Philodendron spruceanum G.S.Bunting
  • Acta Bot. Venez. 10: 310 (1975) 


Notes: Distribution: S. Venezuela

General Description

Large sub-scandent herb, leaves ca. 15 or many. Stem robust, 50 cm long or more, internodes abbreviated, with persistent cataphyll remains. LEAVES: Petiole hard and rigid, weak green, ca. 80 cm long (specimen lacking the basal part), 2.1 cm thick, semi-terete, ventrally moderately convex (especially towards the apex). Leaf blade reflexed, hard and thickly coriaceous but brittle, outline ovate, sagittate at the base, obtuse at the apex with a 1.5 cm long acumen, 78-90 cm long and 43-50 cm wide (at the point 8-12 cm above the base of the midrib), margin strongly undulate and rusty-red- and yellowish-margined (2 mm), posterior lobes nearly trapeziform with obtuse angles, 24-26 cm long and 19-22 cm wide, imbricate, sinus sub-rhombiform, 8 cm long and 4.5 cm wide. Adaxially glossy, dark green, venation bright ('laete') green, midrib concave, 1.5 cm wide; ca. 10 costal primary lateral veins on each side, 0.4-0.5 cm wide, spreading at an angle of 65º-80º, and ca. 4 primary lateral veins on each side spreading from the posterior rib to the base, naked for 3-4 cm in the sinus, minor veins all prominent, abaxially deep green, midrib and primary veins convex, posterior ribs strongly acute-angled, all green-ivory. INFLORESCENCE: Peduncle of the nearly mature infructescence whitish, reddish near the apex, 8 cm long, very thick upwards. Spathe pink-rusty-red externally throughout, internally cherry red, 19 cm long, tube ellipsoid-obovoid, 9.5 cm long and 5.8 cm in diameter, blade acute at apex. Spadix sub-equal to spathe, sub-sessile, 14.5 cm long; female zone 6.7 (3.7) cm long and 3.3 cm in diameter; sterile male zone 2 cm long, 2.2 cm in diameter below, 1.8 cm in diameter above constriction; fertile male zone ca. 5.6 cm long and 1.9 cm in diameter. Pistillate flowers sub-oblong when seen from the side, 4-5(-6) locular, ovules in each locule very numerous, small, superposed. INFRUCTESCENCE: Nearly mature berries pink, regularly 4-6-angled, 0.45 cm long and 0.25-0.35 cm wide, many seeded. Seeds broadly ellipsoid (occasionally strongly angled from the temporary increase in pressure), rusty red and yellow-punctate, 0.85-0.92 mm long and 0.6 mm in diameter.

Distribution

Venezuela (Amazonas).

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. Nuevas especies para la revision de las Araceas venezolanas. . Acta Bot. Venezuel. 10 (1-4), (1975).
  • 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.
  • A All Rights Reserved
eMonocot
http://e-monocot.org
eMonocot. (2010, 1st November). Retrieved Wednesday, 8th February, 2012, from http://e-monocot.org.
  • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
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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