Philodendron pachyphyllum K.Krause
  • H.G.A.Engler, Pflanzenr., IV, 23Db: 99 (1913) 


Notes: Distribution: Brazil (C. Bahia)

General Description

Epilithic herb. Stem: greyish, internodes 0.2-0.5 cm long. Prophyll 11-7.5 x 3-4.5 cm, lanceolate to narrowly lanceolate, green to greenish-grey. LEAVES: Petiole 15-24 cm long. Leaf blade 20-28 x 15.5-23 cm, ovate to circular, apex acute, base cordate, slightly paler on lower surface, coriaceous, frequently yellowish-green; anterior division 13-21 x 15.5-23 cm, primary lateral veins 5-11 per side; posterior divisions 5-11 x 6-10 cm, acroscopic veins 0-1 per side, basioscopic veins 1 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 0.8-1.5 cm long. Spathe 9-14 x 3.5-4 cm, boat-shaped, moderately constricted, greenish-vinaceous outside, vinaceous inside. Spadix 8-9.5 cm long, male zone 4-5 cm long, cream; male sterile zone 0.5-1 cm long, cream; female zone 3-4.5 cm long, pale green. Flowers: stamens 1.2-1.6 x 0.7-0.9 mm, intermediate staminodes 1.3-2 x 1.2-2.2 mm; gynoecium 1.2-2.4 x 1.4-1.8 mm, ovoid, ovary with 6-8 locules, ovules 2-3 per locule, placentation sub-basal. INFRUCTESCENCE: Berries immature, 3-3.5 mm long, obovate. Seed: 1.5-2 mm long, ellipsoid.

Habitat

Epilithic on rock outcrops in ‘campo rupestre’ or near rivers.

Distribution

Eastern side of Chapada Diamantina, Bahia, Brazil.

Conservation

Vulnerable (VU). Despite its relatively endemic distribution, this species occurs on rock outcrops in ‘campo rupestre’, and this habitat is not under particular threat. Some populations are probably protected within the Parque Nacional da Chapada Diamantina.

Distribution Map

 
  • Native distribution
Found in
  • Southern America Brazil Brazil Northeast

  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.
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eMonocot
http://e-monocot.org
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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