Philodendron folsomii Croat

Epiphytic; stem scandent; internodes short, 1--1.5 cm long, 8--20 mm diam., about as long as broad; cataphylls 11--16 cm long, sharply 2-ribbed, green, deciduous; roots not seen; LEAVES: petioles 12--17 cm long, 3--5 mm diam., subterete, obtusely sulcate; blades oblong-lanceolate, narrowly acuminate at apex, obtuse to almost rounded and decurrent, sometimes nearly truncate at base, 28--33 cm long, 5--7 cm wide (4.6--5.2 times longer than wide), (1.8--2.3 times longer than petiole), upper surface drying gray-green to brownish green; lower surface paler, drying yellowish green; midrib sunken above, convex, drying paler than surface below; basal veins 1--2, free to base; primary lateral veins 8--10 per side, departing midrib at a 35E angle, arcuate to the margins, distinct above; minor veins arising from the midrib only. INFLORESCENCES 1--2 per axil; peduncle 10--11.5 cm long, 2--5 mm diam.; spathe 10--12 cm long (about as long as the peduncle), white throughout outside; spathe tube 5.5 cm long, 2.5 mm diam.; spadix short stipitate; 7--8 cm long; pistillate portion 3--4.1 cm long, 6--7 mm diam.; staminate portion 3.8--4 cm long; sterile staminate portion whitish; pistils 0.8 mm long, 0.6 mm diam.; ovary 6--7-locular, locules 0.6 mm long, 0.3 mm diam., ovule sac 0.6 mm long, with sub-basal placentation; ovules 1 per locule, contained within gelatinous transparent matrix (no true envelope), 0.2--0.35 mm long, as long as funicle; funicle 0.2--0.3 mm long (can be pulled free to base), with glands at base, style similar to style type B; style apex flat; stigma subdiscoid, unlobed, more or less truncate, 0.9 mm diam., 0.3 mm high, covering almost entire style apex; the androecium truncate, prismatic, margins irregularly 5--6-sided, 0.6--0.8 mm long.