Philodendron purulhense Croat
  • Ann. Missouri Bot. Gard. 84: 504 (1997) 


Notes: Distribution: Mexico (Chiapas) to Honduras

General Description

Hemiepiphytic or rarely terrestrial, growing 3--6 m high in trees; stem appressed-climbing, or creeping; internodes short, semiglossy, to 6 cm diam., broader than long, dark green, epidermis intact; roots moderately dense, drying dark brown, ca. 3 mm diam.; cataphylls 20--30 cm long, 2-ribbed, sharply D-shaped, persisting semi-intact with brownish fibers at upper nodes. LEAVES: petioles 32--52 cm long, 1.5--2 cm diam., subterete, somewhat spongy, obtusely flattened adaxially, surface semiglossy, short-lineate, usually drying brown to blackened; blades ovate to ovate-cordate, subcoriaceous, slightly bicolorous, acute to acuminate at apex, cordate at base, 25--48 cm long, 18.5--40 cm wide (1.2--1.97 times longer than wide), (0.6--0.98 times the petiole length), about equal in length to petiole, upper surface somewhat silvery, semiglossy, lower surface drying dark brown to blackish; anterior lobe 20--38 cm long, 18.7--38 cm wide (2.1--3.1(3.6) times longer than posterior lobes); posterior lobes rounded, 7--17 cm long, 8--17 cm wide; sinus usually hippocrepiform, 12 cm deep; midrib flat, slightly paler than surface above, convex, paler than surface below; basal veins 4--7(8) per side, with all free to base, third and higher order veins coalesced 1.5--4 cm long; posterior rib naked for 1.5 cm; primary lateral veins 3--6 per side, departing midrib at a 35--40º angle, more or less straight to the margins, sunken above, convex and paler than surface below; minor veins moderately distinct below, arising from both the midrib and primary lateral veins. INFLORESCENCES 1 per axil; peduncle 2.5--7 cm long, 8--10 mm diam., whitish streaked; spathe 10--17 cm long (2.4--3.4(4) times longer than peduncle), constricted slightly above the tube, more or less ellipsoid; spathe green, short-lineate outside, reddish purple throughout inside; spathe tube 5 cm long, spadix sessile; 10--13 cm long; pistillate portion 4--4.5 cm long, 1.7--2.3 cm diam. at base, 2--2.7 cm diam. midway, 1.7--1.9 cm diam near apex; staminate portion 8--8.5 cm long; fertile staminate portion 1.8--2 cm diam. at sterile staminate portion, usually much broader than pistillate portion at anthesis, weakly tapered toward apex, scarcely or not at all constricted above the sterile portion, 1.4--1.8 cm diam. midway, 11--12 mm diam. 1 cm from apex, bluntly acute at apex; sterile staminate portion not very obvious, ca. 1.3 cm long, abruptly contracted at base, as broad as or narrower than the pistillate portion; pistils 6.2 mm long, 3.4 mm diam.; ovary 6--7-locular, 5 mm long, 3 mm diam., with axile placentation; locules 5 mm long, 1 mm diam.; ovules 13--20 per locule, somewhat transparent, 1 mm long, much longer than funicle; funicle 0.2 mm long, adnate to lower part of partition, style 1 mm long, 3 mm diam., similar to style type D; style apex more or less rounded; style boss broad, pronounced; stigma 1--1.1 mm diam.; the androecium truncate, oblong, prismatic, margins irregularly 4--5-sided, 1 mm long, 2--2.5 mm diam. at apex. INFRUCTESCENCE with pistillate spadix 4.5--5 cm long, 3--4 cm diam.; berries 1 cm long, 4 mm diam.; seeds 6--8 per locule, oblong-ellipsoid, 2.2--2.5 mm long, 0.7--0.9 mm diam., sticky.

Habitat

Tropical Lower Montane wet forest and Premontane wet forest life zones.

Distribution

Ranges from southern Mexico (Chiapas) to Guatemala (Alta Verapaz) and Honduras (Cortés and Olancho).

Distribution Map

 
  • Native distribution
Found in
  • Northern America Mexico Mexico Southeast
  • Southern America Central America Guatemala
  • Honduras

  Bibliography

  • 1 Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
  • 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 Croat, T.Bernard A revision of Philodendron subgenus Philodendron (Araceae) for Mexico and Central America Ann. Missouri Bot. Gard. 84, (1997).

 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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