Philodendron advena Schott
  • Oesterr. Bot. Wochenbl. 5: 289 (1855) 


Notes: Distribution: Mexico to Honduras

General Description

Terrestrial, epilithic, or hemiepiphytic; stem appressed-climbing, to 2 m long, sap brownish orange; internodes weakly glossy, 2--4 cm long, 1.5--2.5(5.5) cm diam., longer than broad, sometimes obtusely flattened on one side, medium green to gray-green, drying brown to yellow-brown, epidermis smooth to closely fissured; roots few per node, drying dark brown to yellow-brown, epidermis sometimes flaking; cataphylls subcoriaceous, 7.7--45 cm long, sharply D-shaped to sharply 2-ribbed, rarely weakly 2-ribbed, light green to whitish, tinged reddish, generally deciduous intact, weakly emarginate at apex, margins clear. LEAVES erect-spreading to spreading with blades pendent; petioles 30-45(65) cm long, 7--18 mm diam., erect-spreading, subterete to D-shaped, somewhat spongy to moderately firm, obtusely flattened adaxially, sheath 3--11 cm long; blades ovate-cordate to sagittate, subcoriaceous, moderately bicolorous, gradually acuminate at apex, cordate at base, (32)41-47(64) cm long, 16.5-40 cm wide (1.2-2.5 times longer than wide; 1-1.5 times longer than petioles), margins hyaline, upper surface dark green, drying dark brown to blackened, sometimes yellow-green, lower surface slightly more glossy, paler, drying yellow-brown to reddish brown, sometimes greenish brown; anterior lobe 20.5--53 cm long, 12-40 cm wide (3.4-3.8 times longer than posterior lobes); posterior lobes rounded, 6--14(20) cm long, 5.4-15(20) cm wide, directed toward base; sinus more or less parabolic to V-shaped or spathulate, 8-15 cm deep; midrib broadly convex to flat, slightly paler than surface above, convex and slightly paler below; basal veins 3-6 per side, with 0-1(2) free to base, coalesced (0.4)1.3-4(8.5) cm; posterior rib not naked or obscurely naked to 1 cm at base; primary lateral veins (3)4-6 per side, departing midrib at a (45)50-60(80)º angle, straight or weakly arcuate to the margins, flat to sunken and paler than surface above, convex below; minor veins weakly raised, moderately visible, arising from both the midrib and primary lateral veins. INFLORESCENCES spreading-pendent, 1-2(4) per axil; peduncle 5-13.5(17) cm long, 7-11 mm diam.; spathe coriaceous, (6.5)12-19 cm long, ((0.7)1.4-2.4) times longer than peduncle), weakly or not at all constricted above the tube, acuminate, usually greenish throughout, broadest at or below the middle; spathe blade greenish white outside, spathe red to maroon or greenish white, glossy inside; spathe tube sometimes reddish outside, 5--8 cm long, 2.5-3.5(5) cm diam., red to maroon or dark violet-purple, pale-lineate, glossy inside; spadix stipitate to 4 mm long; clavate to cylindrical, bluntly pointed at apex, 11.5-14 cm long, broadest at the middle or more or less uniform throughout; pistillate portion 3.3-6.9 cm long, 1.2-2.7 mm diam. at middle, narrowed somewhat at both ends; staminate portion 5-9.2 cm long; fertile staminate portion tapered to cylindrical or clavate, usually longer than pistillate portion, 11-14 mm diam. at base, 8-15 mm diam. at middle, 5-7 mm diam. ca. 1 cm from apex, broadest below middle, equal in length to pistillate portion, narrower than pistillate and sterile portions; sterile staminate portion, 11-30 mm diam., usually broader than pistillate porton at anthesis; pistils 1.7-8.5 mm long, 1.3-2.9 mm diam., ovary (5)6-8-locular, with basal to sub-basal placentation; ovules 1-4 per locule, arranged digitately in translucent ovule sac, 0.2-0.6(1.5) mm long, equal in length to funicle; funicle adnate to lower part of partition, style 0.9-3 mm long, similar to style type B; style apex flat; stigma discoid to subdiscoid; thecae cylindrical to elliptical, 0.5 mm wide, contiguous. INFRUCTESCENCE with spathe green outside, dark purple-violet inside, 11.5-14 cm long; berries white to yellowish; seeds 1(3-4) per locule, oblong-ellipsoid, sometimes obovoid, 1.7-2.2 mm long, 0.--1.8 mm diam., with clear longitudinal and faint latitudinal striations and speckled with shiny, silver raphide cells; funicular scar knob-like, clear, thicker than the seed body.

Habitat

Wide variety of vegetation types, including "Selva Alta Perennifolia," "Bosque Caducifolia," "Selva Mediana Subperennifolia," and "Bosque Caducifolia."

Distribution

Ranges from Central Mexico (Veracruz) along the Atlantic slope to Chiapas and then along both the Pacific and Atlantic slopes to southern Guatemala (Santa Rosa and Chiquimula Departments).

Distribution Map

 
  • Native distribution
Specimens
Found in
  • Northern America Mexico Mexico Gulf
  • Mexico Southeast
  • Mexico Southwest
  • 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.
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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
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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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