Philodendron rhizomatosum Sakuragui & Mayo
  • Kew Bull. 52: 676 (1997) 


Notes: Distribution: Brazil (Minas Gerais: Serra do Cipó)

General Description

Terrestrial herb. Stem: greyish, internodes 0.2-0.5 cm long. Prophyll 6.5-12.5 x 1.5-2.5 cm, triangular to narrowly triangular, red to reddish-vinaceous becoming chestnut-coloured. LEAVES: Petiole 41-75 cm long; leaf blade 15.5-17 x 13.5-16.5 cm, broadly ovate to circular, apex acuminate, base cordate, distinctly paler on lower surface, chartaceous to subcoriaceous; anterior division 11-21 x 13-20 cm, primary lateral veins 4-5 per side, interprimary veins distinct; posterior divisions 5-6.5 x 7-9 cm, acroscopic veins 2-3 per side, basiscopic veins 0-2 per side; basal veins 1-4, 2 of these coalesced 0.8-1 cm; posterior rib naked for 0.5-0.8 cm. INFLORESCENCE: 1 per floral sympodium, peduncle 21-25 cm long. Spathe 9-11 x 3-3.8 cm long, ovate, not constricted, outside green with vinaceous grooves, inside white with reddish-vinaceous base. Spadix 7-9 cm long, male zone 5.5-7.5 cm long, cream; intermediate sterile zone 0.7-1 cm long, white; female zone 2.5-3.5 cm long, greenish-cream. Flowers: stamens 1.6-1.8 x 0.7-1 mm, staminodes 1.6-2 x 0.8-1.5 mm; gynoecium 2-2.6 x 2-2.8 mm, obovoid, ovary 7-9-locular, ovules 2-3 per locule, placentation sub-basal. INFRUCTESCENCE: Berries 3.5-5 mm long, pale cream becoming maroon, broadly oblong, seeds 1.6-2.0 mm long, fusiform.

Habitat

Terrestrial herb in forest patches (‘capões de mata’), in campo rupestre areas.

Distribution

Brazil. Endemic to the Serra do Cipó, Minas Gerais state.

Conservation

Vulnerable (VU) D2. Although it is protected in the Parque Nacional da Serra do Cipó, it can be considered as vunerable because of its specific habitat (forest patches), which may still be under pressure by wood extraction, local fires, visitor pressure and animal foraging.

Distribution Map

 
  • Native distribution
Found in
  • Southern America Brazil Brazil Southeast

  Bibliography

  • 1 Giulietti & al. (2009). Plantas raras do Brasil: 1-496. Conservação International, Belo Horizonte, MG.
  • 2 Sakuragui, C.M., Mayo, S.J. & Zappi, D.C. (2005). Taxonomic revision of Brazilian species of Philodendron. Kew Bulletin 60: 465-513.
  • 3 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.
  • 4 Sakuragui, C.M., Mayo, S.Joseph & Zappi, D.C. Taxonomic revision of Brazilian species of Philodendron section Macrobelium Kew Bull. 60, (2005).

 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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