Anthurium mostaceroi Croat

Epiphytic, internodes short, drying 1.5 cm diam.; cataphylls 13 cm long, tan, persisting as linear fibers. LEAVES: Petioles 52.7 cm long, drying 3 mm wide, grayish brown; geniculum darkened, 2.5 × 3 cm; blades broadly ovate, slightly inequilateral, one side up to 1 cm wider, abruptly and narrowly acuminate at apex, attenuate at base, 37 × 15 cm, 2.5 times longer than broad, 0.7 times the length of the petiole, drying olive green, weakly glossy, eglandular above, paler and more brownish, semi-glossy, glandular-punctate below; midrib narrowly convex, drying 1 mm diam., brownish above, convex, darker than blade surface below; primary lateral veins 15-18 per side, 1-2 cm apart, departing from the midrib at a 50-60° angle, concolorous above, slightly darker than surface below, somewhat prominent on both surfaces; collective veins arising from near base, prominently loop-connected, as equally prominent as primary veins, 1 cm from margin to less than 1 mm from margin near apex. INFLORESCENCES with peduncle 32 cm long, drying 1 mm diam., darkened; spathe reflexed-spreading, green, linear, 5.7 × 1.1 cm, 0.2 times the length of peduncle, abruptly and narrowly acuminate at apex, apex 3 mm long; spadix green, cylindrical, erect, 8 cm long, drying 4 cm diam. Flowers 2 × 1.8 mm, 4-5 visible per spiral; lateral tepals 1 mm wide, two-sided.