Araceae
Anthurium valenzuelae Croat & Altamirano
Nomenclature
SUMMARY
Epiphytic vine to 1.5 m tall; internodes longer than wide, 1-3 cm long, 0.4-0.8 cm diam.; cataphylls persisting as fibers with apex acute, 2-8 cm long, drying reddish brown. LEAVES 27.3 cm long with petioles terete, 3.5-23 cm long (average 7.3 cm), 0.2-0.3 cm diam., weakly sheathed, shallowly and broadly sulcate; geniculum 0.5-1 cm long, drying darker than petiole; blades green, lanceolate, acuminate at apex, obtuse at base, with straight margins 9-35 cm long (average 20.8 cm), 1.2-6 cm wide (average 2.8 cm), 3.5-12.5 times longer than broad (average 7.8), 1.3-7 times longer than petiole (average 3.1), drying medium to dark reddish brown, semiglossy above and below, glandular punctations are lacking on both surfaces but many specimens have white pustules on the lower surface; midrib red, drying sunken above, prominently raised, bluntly acute below; primary lateral veins 11-21 pairs (average 14), arising at 45° to 60° angle, drying finely raised, slightly rounded, more conspicuous on lower surface; collective veins arising from the base and running 2-3 mm from margin, conspicuous on both surfaces; tertiary veins conspicuous below, less conspicuous above. INFLORESCENCES 22 cm long; peduncle terete, 5-33 cm long (average 17); stipe 0.2-0.5 cm long; spathe green or reddish, spreading, lanceolate, 3-7 cm long, 0.3-1.2 cm wide, acuminate at apex, drying dark brown; spadix erect, red to violet, 2.4-15 cm long (average 7.3 cm),0.3-0.5cm wide, cylindroid, tapered, drying dark brown, 3-5 flowers visible per spiral, 1.8-3.4 mm long, 1.5-2.4 mm wide, tepals outer margins 2-sided, inner margin broadly rounded. lateral tepals 0.8-1.8 mm wide.