Anthurium clavigerum Poepp.

Epiphyte; scandent; stems 2 m long, 3-4 cm diam.; roots dense, 3-10 mm diam., brownish-green; cataphylls coriaceous, to 12 cm long, weathering to medium brown fibers, ultimately deciduous. LEAVES erect-spreading; petiole 65-150 cm long, terete or weakly sulcate; geniculum 1.5-2 cm long; blades digitately discoid to reniform in outline, to 2 m wide, the leaflets 25-100 cm or more long, 4-12 cm wide, sinuate or lobate, acuminate at apex, acute at base, the upper surface matte, the lower surface semiglossy; the midrib of the leaflets convexly raised above and below, diminished and sunken at apex above; the primary lateral veins 3-4 per side, raised in valleys above, raised below, departing midrib at 45° angle, arcuate-ascending to form collective vein in apical portion of leaflet. INFLORESCENCE arching-pendent; peduncle to 90 cm long, terete, shorter than petioles; spathe coriaceous, violet-purple, lanceolate, 30-65 cm long, 3-11 cm wide; spadix lavender-purple (B & K Purple 6/2.5), 20-75 cm long, to 2 cm diam. at base, to 9 mm diam. At apex; flowers rhombic, ca. 3 mm in both directions, the sides straight to slightly sigmoid; ca. 14 flowers visible in the principal spiral, ca. 8 flowers visible in the alternate spiral; tepals matte; pistil emergent but not raised, lavender; stigma linear, darker purple than pistil; stamens emerging from base, covering pistil; anthers purplish-brown; thecae irregular, not divaricate; pollen while to pinkish. INFRUCTESCENCE pendent; berries obovate, purple, developing in basal portion only, seeds 1-2, white, oblong.