Philodendron wilburii var. longipedunculatum (Araceae)
Usually terrestrial, sometimes hemiepiphytic; internodes 3--15 cm long, 1.3--1.7 cm diam.; cataphylls soft, 7--15 cm long, sharply D-shaped, usually sharply 2-ribbed, sometimes unribbed or sharply 1-ribbed. LEAVES: Petioles 16--55 cm long, 5-10 mm diam., obtusely flattened or bluntly D-shaped adaxially; blades triangular-ovate with spreading lobes, 22--35 cm long (averaging 28 cm), 16--31 cm wide (averaging 21 cm; 1.03--1.4 times longer than wide, averaging 1.3 times), (0.6--1.3 times longer than petiole); sinus usually arcuate or arcuate with decurrent petiole. INFLORESCENCES 1 or 2 per axil; peduncle 11--29 cm long, 5-10 mm diam.; spathe 8.7--18 cm long; spadix 6.7--11.2 cm long; pistillate portion 2.8--5.5 cm long; ovary (5)6--7(8)-locular; ovules 1--2 per locule. INFRUCTESCENCE: Berries bright orange (mature) or white (immature); seeds yellow-orange, narrowly ellipsoid.
Known principally from eastern Costa Rica and western Panama with an outlying population at Tapantí in Cartago Province, at 900 to 1400 m elevation, especially on the Atlantic slope but also on the Pacific slope at lower elevations (40 to 450 m). The Pacific coastal populations range from Carara to the Osa and Burica Peninsulas in Puntarenas Province, with outlying populations on the Azuero Peninsula and in the Canal Area of Panama.