Anthurium roubikii Croat

Terrestrial; stem woody, erect; cataphylls 13.7 - 27.7 cm long, coriaceous, intact at upper nodes, persisting at many of the lower nodes; internodes short, 1 - 3 cm diam.; petioles 35.3 - 70.1 cm long, green, subterete, barely flattened, sometimes broadly flattened adaxially; blades broadly ovate-cordate, 31.3 - 67.2 cm long, 18.5 - 51.0 cm wide, averaging 46.2 x 31.0 cm, 1.6 times longer than wide, 0.9 times as long as petiole, subcoriaceous, dark green and matte above, light and semiglossy green below, drying light brown, dries to brown; anterior lobe 27.7 - 52.5 cm long, margins convex; posterior lobes 6.8 - 16.2 cm long, 16.5 - 22.6 cm wide, sometimes overlapping; major veins moderately paler below; basal veins 5 - 7 pairs, mostly free; midrib rounded and paler above, acutely raised and paler below; primary lateral veins 8 - 10 pairs, arising at a 45 - 53° angle, narrowly rounded above, narrowly raised below; tertiary veins slightly raised above and below, sometimes not prominent; collective veins arising from one of the lowermost basal veins and 1 - 2(3) mm from margins. INFLORESCENCE erect;peduncle5.5 - 8.4cmlong,0.5 - 0.7cm wide, 0.59 times as long as spathe, drying brown; spathe lanceolate, 9.1 - 16 cm long, 1.5 - 5 cm wide, white with brown central area outside, white with brown within; spadix cylindroid-tapered, 10.5 - 17.5 cm long, 1.0 - 1.7 cm wide, dirty white; flowers 20 - 22 visible per spiral, 1.4 - 1.5 mm long and wide; tepals obscurely granular; inner margins broadly rounded, outer margins usually 2 - 3-sided; stamens exerted and held at the level of the tepals, 3 mm long, 5 mm wide, thecae circular, scarcely or not at all divaricate.