Philodendron ochrostemon Schott
  • Prodr. Syst. Aroid.: 229 (1860) 


Notes: Distribution: Brazil

General Description

Stem slightly 2-angular, with one of the faces flattened and slightly sulcate, from pale green to dark green, lustrous, becoming straw colored and dull, 0.4-0.9 (-1.1) cm in diameter in the flagellum and 0.6-1.8 cm in diameter in the non-flagellate stem. Cataphylls of the flagellum greenish, discolored, veins of the cataphylls very slightly discolored from the cataphyll. Internodes 1.0-6.5 (-19) cm long, up to 20.5 cm long in the flagellum. Roots from cream to cream slightly greenish to yellowish green with the apex red when young, becoming brown with time, 1.0-2.5 mm in diameter. Prophyll of floral sympodium persistent, membranous, green, darker inside becoming brown with time, 6.5-13.0 cm long and 1.0-1.7 cm wide at the base. LEAVES: Petiole green glossy to somewhat glossy, slightly striate with darker striations on both sides, rounded on the underside, and flattened to rarely slightly sulcate on the upper side, (5.8-) 12.0-22.0 cm long and 0.2-0.4 cm in diameter at the apex, free at the apex for 0.3-2.9 cm. Sheath concolorous, somewhat lustrous, with darker striations, elongate up to 0.3 cm from the base of the blade, (5.8-) 12.7-20.8 cm long and 0.6-0.8 cm wide, closed with raised margins, slightly expanded at the base when flowering. Leaf blade slightly ovate-oblong to oblong-lanceolate to elliptic-lanceolate, (8.0-)20.0-36.0 cm long and (2.8-) 5.0-8.7(-15.4) cm wide, green from very to slightly lustrous on both sides when young, to lustrous on the upper surface, and darker green and lustrous to slightly lustrous on the lower surface, membranous to slightly papery, apex beaked, base from slightly cordate to rounded to obtuse to attenuate, margin entire. Midrib, in relation to the blade, slightly discolored on the upper side and discolored, darker on the lower side, impressed on the upper side, prominent on the lower side. Primary lateral veins concolorous, impressed on the upper side and prominent, but not very evident on the lower surface, 4-6 pairs. INFLORESCENCES: Floral sympodium with 1-2 inflorescences. Peduncle green with darker striations to paler at the apex, angled, 1.5-5.0 cm long and 0.8 cm in diameter. Spathe 10.5-16.5 cm long, with a slight difference between the tube and the blade, blade green, yellowish green to cream externally, and internally cream with yellowish resin canals, tube externally pale green with dark green dorsal lines from the base to halfway, internally cream with yellowish resin canals. Spadix 13.1 cm long, stipe present 1.3-2.0 cm long, decurrent on the spathe, 1.7-2.3 cm long; fertile male zone cream (4.5-) 5.6-11.0 cm long and 0.8-1.1 cm in diameter; sterile male zone slightly darker cream, 0.5-1.0 cm long and 1.0-1.9 cm wide; female zone greenish, 4.0-5.5 cm long and 1.6 cm in diameter. Stamens 2-3 per flower, (1.1-) 2-2.5 mm long and 1.0-1.5 (-1.8) mm wide at the apex. Staminodes 4.0 mm long and 1.5-2.0 mm wide at the apex, thin at the base. Gynoecium with a greenish ovary, 4.0 mm long, and 1.2-1.5 mm wide, 3-4 locules, ovules several per locule, 0.6 mm long, axile placentation, stigma globose, brown. INFRUCTESCENCES: Mature, 7.0-8.0 cm long and 2.3-3.4 cm in diameter. Immature fruit green, and mature fruit from yellowish green to yellow, 7.0-8.0 mm long and 2.0-2.5 mm wide in the central region, all seeds observed were galled.

Habitat

A Hemi-epiphytic species, occurring in the "floresta pluvial atlântica baixo montana" Lower montane Atlantic rain forest, from hills and cerrado in humid and shady places.

Distribution

Brazil (Distrito Federal, Espirito santo, Rio de Janeiro, Rio Grande do Sul, Santa Catarina, São Paulo).

Distribution Map

 
  • Native distribution
Specimens
Found in
  • Southern America Brazil Brazil Northeast
  • Brazil South
  • Brazil Southeast
  • Brazil West-Central

  Bibliography

  • 1 Nadruz Coelho, M.A. (2010). A família Araceae na reserva natural Vale, Linhares, Espírito Santo, Brasil. Boletim do Museu de Biologia Mello Leitão , n.s., 28: 41-87.
  • 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 Coelho, M.A.Nadruz Philodendron Schott (Araceae): Morfologia e taxonomia das espécies da Reserva Ecológica de Macaé de Cima, Nova Friburgo, Rio de Janeiro, Brasil. Unpubl. M.Sc. Dissertation. (1995).

 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
Global Biodiversity Information Facility
http://data.gbif.org
  • B All Rights Reserved
eMonocot
http://e-monocot.org
eMonocot. (2010, 1st November). Retrieved Wednesday, 8th February, 2012, from http://e-monocot.org.
  • C 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
  • D See http://kew.org/about-kew/website-information/legal-notices/index.htm You may use data on these Terms and Conditions and on further condition that: The data is not used for commercial purposes; You may copy and retain data solely for scholarly, educational or research purposes; You may not publish our data, except for small extracts provided for illustrative purposes and duly acknowledged; You acknowledge the source of the data by the words "With the permission of the Trustees of the Royal Botanic Gardens, Kew" in a position which is reasonably prominent in view of your use of the data; Any other use of data or any other content from this website may only be made with our prior written agreement.