Philodendron chirripoense Croat & Grayum

Hemiepiphytic; stem scandent; internodes very long andslender, 20 cm long, less than 3 mm diam.; roots drying dark brown; cataphylls unknown, probably <10 cm long, lanceolate, deciduous; LEAVES: petioles 7--7.4 cm long, 1 mm diam., obtusely flattened abaxially; blades narrowly ovate, very long-acuminate at apex (the acumen 2.4--2.6 cm long), subcordate at base, 11--11.6 cm long, 5--5.5 cm wide (ca. 2 times longer than wide), (ca. 1.5 times longer than petiole), about equal in length to petiole, drying brown; posterior lobes rounded to obtuse, 2--3 mm long, 1.4--1.7 cm wide; sinus arcuate with blade decurrent on petiole, 2--3 mm deep; midrib drying with up to 5 ribs above; basal veins 2--3 per side, with all free to base, obscure; primary lateral veins 2 per side, departing midrib at a 40--45º angle, straight to the margins; minor veins arising from the midrib only. INFLORESCENCES nearly as long as leaves, probably 1 per axil; peduncle 6 cm long, 4 mm diam., 0.83 times the petiole length; spathe 7.4 cm long, (1.2 times longer than peduncle), green to reddish within, spadix pinkish throughout (fide field notes, in part lost); pistils 2.2 mm long, 1.1--1.2 mm diam.; ovary (3)5--6(8) locular, with axile placentation; ovules 8--12 per locule, mostly 1-seriate, 0.1--0.2 mm long, slightly longer than funicle; funicle ca. 0.1 mm long, adnate to lower part of partition, style similar to style type B; style apex domed; the androecium truncate, oblong, prismatic, margins irregularly 4--5-sided, 0.7--1 mm long; thecae oblong, 0.3 mm wide, more or less parallel to one another; sterile staminate flowers irregularly 4--5-sided, 0.8--1.2 mm wide.