Philodendron utleyanum Croat
  • Ann. Missouri Bot. Gard. 84: 551 (1997) 


Notes: Distribution: Panama (Colón)

General Description

Hemiepiphytic; stem appressed-climbing; internodes drying moderately glossy, irregularly and acutely ribbed with a few flat smooth intervening areas, 1--3.5 cm long, 1.5--2 cm diam., drying light brown; roots several per node, short, drying brown, to 3 cm diam.; cataphylls to 27 cm long, weakly 2-ribbed, but sharply 2-ribbed toward the apex, red tinged toward the base, drying dull reddish brown, deciduous. LEAVES: Petioles 19--21.5 cm long, drying 6--7 cm diam., subterete, dark brown, obtusely somewhat flattened toward the apex adaxially, surface smooth to weakly ribbed; blades somewhat inequilateral, oblong-oblanceolate, subcoriaceous, semiglossy, acuminate at apex, somewhat inequilateral and rounded to truncate to weakly cordulate at base, 32--39 cm long, 10--14 cm wide, broadest above the middle, 1.3--1.8 times longer than petioles, upper surface dark green, drying gray-brown, lower surface often somewhat reddish, drying medium brown; posterior lobes to ca. 2 cm long; midrib drying weakly and obtusely raised, slightly paler than surface above, drying convex, drying light brown with a distinct pale border along its edges and paler than surface below; basal veins 2--3 per side, and with all free to base; primary lateral veins 8--9 per side, departing midrib at a 65--80º angle in the lower one-half, to 45º angle toward apex, weakly arcuate to the margins, drying inconspicuous except near the midrib, paler than surface above, weakly convex and paler than surface, sometimes undulate below; minor veins drying moderately inconspicuous and close, weakly undulate, arising from the midrib only, the surface and minor veins minutely and densely granular at 10x magnification. INFLORESCENCES 1 per axil; peduncle to 9 cm long, drying 4.5 mm diam., dark brown; spathe moderately coriaceous, to 11 cm long, ca. 2 cm diam., pale green with pinkish tinge, drying dark brown throughout, white within; spathe tube 5 cm long, 1.8--2 cm diam.; spadix sessile; 10 cm long.; pistillate portion 5 cm long, drying to 1.7 cm diam. near base, 1.5 cm diam. midway, 1 cm at apex; staminate portion 4.7 cm long, too deteriorated for detailed studies; pistils 2.5--3 mm long, 1.5--2 mm diam., drying light brown, smooth except warty near apex; style type not studied; stigma 0.4--0.6 m diam., button-like on drying with a medial nipple and 4--5 radiate arms, sometimes with fragments of the dried stigma apron-like still attached; locules 4--5; ovaries with sub-basal placentation, 1 ovule per locule.

Habitat

Premontane wet forest.

Distribution

Endemic to Panama, known only by the type specimen from Colón Province.

Distribution Map

 
  • Native distribution
Found in
  • Southern America Central America Panamá

  Bibliography

  • 1 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.
  • 2 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
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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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