Anthurium concinnatum Schott

Usually epiphytic or sometimes terrestrial; stems to 1 m or more long, 2.5-4 cm diam.; internodes obscured by weathering cataphylls; cataphylls coriaceous, 7-15 cm long, drying brown, splitting at base, remaining intact at apex. LEAVES erect to spreading; petioles subterete, weakly and bluntly sulcate, 35-75 cm long, 0.6-1.2 cm diam.; geniculum 1.5-3 cm long; blades subcoriaceous, narrowly ovate, 37-58 cm long, 21-34 cm wide, abruptly acuminate at apex, deeply lobed at base; the sinus spathulate, the lobes often overlapping; both surfaces glossy; the midrib and primary lateral veins raised above and below, lesser veins prominulous; basal veins to 7 pairs, all basal veins coalesced to 1.5 cm; the collective vein arising from the first basal vein, loop-connecting the primary lateral veins and running to apex. INFLORESCENCE spreading-pendent; peduncle 35-65 cm long, shorter than petioles; spathe oblong-lanceolate, pale green turning purplish, 8.5-27 cm long, 1.5-5 cm wide, abruptly cuspidate at apex; stipe to 2.5 cm long, sometimes arching; spadix green turning purplish, 5-26 cm long, sometimes arched at base, 8-16 mm diam. at base, 3-8 mm diam. at apex; flowers rhombic; 8-9 flowers visible in the principal spiral, 12 or more flowers visible in the alternate spiral; pistils raised; stamens well exserted, held at the edge of tepals and ± above pistil; anthers white; thecae brown, persistent, giving spadix spiny appearance. INFRUCTESCENCE pendent; spadix to 30 cm long; berries orange; mesocarp pulpy, orange with numerous, linear raphide cells; seeds 1-2 obovoid, 4.3 mm long, 3.5mm wide, pale yellow, indented at base, darker area at apex.