Philodendron humile E.G.Gonç.
  • Aroideana 25: 30 (2002 publ. 2003) 


Notes: Distribution: W. Brazil

General Description

Terrestrial herbs, usually occurring in damp soils; stem rhizomatous, young ones bright green with spreading white roots, internodes 0.5-1 X 0.3-0.5 cm. LEAVES 4-6 per plant; prophylls weakly two-keeled, 8-10 cm long, 1-1.3 cm wide at base, persisting intact for a long time, then completely deciduous; petioles sulcate adaxi-ally, 11-21 X 0.2-0.4 cm, sheath 1-1.5 cm long, up to 0.5 cm wide; leaf blade dark glossy green, with the midrib paler adaxi-ally, paler and glossy aclaxially, drying yellow brown, 19-20 X 7-9.5 cm, apex acu- minate, acumen up to 1.5 cm long, base truncate to subcordate, primary lateral veins 5-7 per side, mostly arising at an angle of 40-45°, the first pair of primary veins usually retrorse. INFLORESCENCE: solitary; peduncles 6-10 X 0.3-0.5 cm; spathe 5-6 cm long, lemon green outside, whitish green inside; spadix stipitate, 4-5.3 cm long, stipe 6-7 X 5-6 mm; fertile male portion 2-2.5 X 0.5-0.6 cm, white, cune-ate at apex; sterile male portion white, 1 X 0.7-0.8 cm, female portion light, green, 0.8-1.2 X 0.5-0.7 cm, cylindrical. Male flowers prismatic, 1.5 X 1 mm; staminodes obpyramidal, 1 X 1-1.5 mm; gynoecium 1-1.5 mm long, stigma 1-1.3 mm diam., ovary 1-1.6 mm diam., locules 3-4, ovules 8-12, axillary attached, funicles shorter than the ovules, without noticeable tri-chomes (although they occasionally occur at the placenta). INFRUCTESCENCE: Berries unknown.

Habitat

Pbilodendron humile occurs on forest floors, usually in damp places close to streams.

Distribution

Brazil (Western Amazonia). It is also known from Peru and probably eastern Colombia.

Distribution Map

 
  • Native distribution
Found in
  • Southern America Brazil Brazil North
  • Brazil West-Central

  Bibliography

  • 1 Govaerts, R. (2004). World Checklist of Monocotyledons Database in ACCESS: 1-54382. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • 2 Gonçalves, E.G. New Aroid taxa from Brazil. Aroideana 25, 35 (2002).

 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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