Anthurium apiaense Croat

Terrestrial to hemiepiphyte, to 4 m tall; internodes 15-25 cm long, 2-3.5 cm diam., dark green, soon gray, many finely-ribbed, moderately glossy, minutely granular; cataphylls 10-11 cm long, 1.5-2.0 cm wide, persisting semi-intact in pieces at upper nodes, then deciduous, granular, pale-lineate, lower surface finely-ribbed; petioles 48 cm long, 7-10 mm wide, drying grayish brown, terete, narrowly and acutely flattened, with a few major ribs, sometimes with a few extra acute low ribs on sides below, glossy, minutely granular; geniculum 1.8 cm long, 6 mm wide, drying darker grayish brown, granular, moderately ribbed; blades narrowly ovate-sagittate, 62 cm long, 46 cm wide, 1.25-1.5 times longer than broad, 1.2 times longer than petioles, subcoriaceous, dark green and weakly glossy above, slightly paler and semiglossy below drying dark gray and weakly glossy above, slightly paler and semiglossy below; upper surface drying minutely granular on magnification, sparsely pale-short-lineate along the veins; lower surface drying moderately smooth, sparsely pustular; anterior lobe 45 cm long, broadly rounded; posterior lobes 21 cm long, 15-17 cm wide, rounded at apex; basal veins 4-6 pairs 1st to 2nd pair free to base, 2nd fused 15 mm, 3rd fused 25 mm, 4th-5th pairs fused 6.0 cm, 6th fused 8 cm,; posterior rib naked 1.8-3 cm; sinus 17 cm deep, 6 cm wide; midrib narrowly raised and more or less concolorous above, convex and paler below, granular with speckled inclusions; primary lateral veins 7-8 on both sides, arising at 50-55°(-70°), granular; tertiary veins moderately prominulous below, fewer and less prominent above; collective veins arising from lSI pair of basal veins, 2-12 mm from margin. INFLORESCENCE with peduncle 24.5 cm long, 4-6 mm wide; spathe 22 cm long, 1.8-2.3 cm wide, spreading, green, pale-lineate, granular on magnification, 9.5 times longer than broad; spadix 23.5 cm long, 1.2 cm diam., dark purple, glossy, rounded at apex, becoming green in fruit; berries pale green, darker at apex; flowers 6-7 per spiral, 2.8-4.1 mm long, 3.0-4.0 mm wide; tepals coarsely and evenly pustular; lateral tepals 1.6-1.9 mm wide, inner margins broadly rounded, outer margins 2-3-lobed. INFRUCTESCENCE with berries pale green, darker at apex; seeds 2.