Anthurium cowanii Croat

Description based on dried material only. Epiphytic; stem ca. 1-1.5 cm diam.; roots dense, numerous, grayish brown, somewhat pubescent, ca. 2-3 mm diam.; cataphylls apparently subcoriaceous, at least 8 cm long, acute at apex, brown (B & K yellow 4/2.5), persisting semi-intact, eventually as fine linear fibers; LEAVES petioles 8.5-13 cm long, 7-10 mm diam., D-shaped, apparently sulcate adaxially, with the margins prominently raised, probably rounded abaxially; geniculum slightly thicker than petiole, 0.8-1.7 cm long; sheath (2.5)5.7-6.5 cm long; blades coriaceous, oblanceolate, acute to shortly acuminate at apex, narrowly rounded to obtuse at base, 50-90 cm long, 13.5-30 cm wide, broadest above the middle, the margins apparently undulate; both surfaces semiglossy to weakly glossy, grayish green to brownish green; midrib convexly raised above, slightly paler than surface, prominently convex to higher than broad below, somewhat darker than surface; primary lateral veins 9-16 per side, departing midrib at 25-50° angle, straight, becoming somewhat arcuate toward the apex, prominently convex above and below, more so below; interprimary veins not present; tertiary veins prominulous, raised above and below; reticulate veins weakly raised; collective vein arising from near the apex, raised above and below, 3-1 1 mm from margin. INFLORESCENCES with peduncle 49-63.5 cm long, 3-7 mm diam., 6.1- 7.5 x as long as petiole, probably terete; spathe apparently erect to spreading, coriaceous, green, oblong-lanceolate, 9-16 cm long, 1.5-2.5 cm wide, broadest near the base, shortly acuminate at apex (the acumen inrolled, 7-1 5 mm long), acute at base; stipe 1.5-4(7) cm long in front, 0.5- 1.5(2.5) cm long in back; spadix dark purple-red to brown-red, long-tapered, somewhat curved, held at 150-165° angle from peduncle, (9)15-18(21) cm long, 6-7(10) mm diam. near base, 4-6 mm diam. near apex; flowers rhombic, 4-4.6 mm long, 2.5-2.8 mm wide, the sides straight; 7-8 flowers visible in principal spiral, 5-6 in alternate spiral; tepals minutely papillate, semiglossy on drying; lateral tepals 2.3-2.8 mm wide, the inner margins broadly rounded, the outer margins 2-sided; pistils minutely papillate; stigma slitlike, 0.4-0.5 mm long; anthers 0.4-0.5 mm long, 0.5-0.6 mm wide, contiguous, obscuring pistil; thecae oblong, not at all or slightly divaricate; pollen fading to white. INFRUCTESCENCE Fruit unknown.