Anthurium cuspidatum Mast.

Epiphyte or terrestrial; stems often to 50 cm long, ca. 3 cm diam.; internodes short; cataphylls 7-15 cm long, subcoriaceous, drying pale reddish-brown, weathering into fibers. LEAVES erect-spreading; petioles terete, 30-118 cm long, 4-12 mm diam.; geniculum 2-3 cm long; blades usually ovate-oblong, sometimes narrowly ovate, moderately chartaceous, abruptly acuminate at apex, truncate to subcordate to rarely prominently lobed at base, 25-62 cm long, 11-40 cm wide; the sinus (when blade is lobed) hippocrepiform to spathulate; midrib convexly raised above and below; primary lateral veins 11-15 per side, sunken above, raised below, often reddish beneath; lesser veins sunken above, raised below; collective vein arising from one of the lowermost basal veins, sunken above, raised below, 1 -2 mm from margin. INFLORESCENCE erect-spreading, shorter than or equal to the leaves: peduncle 28-46 cm long, terete; spathe membranaceous, oblong-lanceolate, pale green, sometimes tinged purple, 7.5-18 cm long, 1.8-2.5 cm wide, gradually acuminate at apex, round at base; spadix green to usually dark violet-purple, 6.5-18 cm long, ca. 5.5 mm diam. at base, 4.5 mm diam. at apex; flowers rhombic, 3.5-3.8 mm long, 2.8-3 mm wide, the sides straight to weakly sigmoid; 4-5 flowers visible in the principal spiral, 5-6 flowers visible in the alternate spiral; tepals glossy; pistils weakly emergent, violet-purple; stigma linear, ca. 0.5 mm long; stamens emerging in scattered manner from base, the basal one quarter of spadix with 4 stamens before those in the apical one half emerge, held in tight contiguous cluster obscuring pistil; anthers violet-purple; thecae oblong, scarcely divaricate; pollen pale purple fading to white. INFRUCTESCENCE pendent; spadix to 27 cm long; berries purple-violet to reddish-violet, ovoid-ellipsoid, 6-8 mm long, ca. 5.3 mm wide.