Anthurium superbum subsp. superbum

Epiphytic; stem 4-8 cm long, 3-4 cm diam.; roots numerous, descending, rose-colored, velutinous, 5-7 mm diam.; cataphylls subcoriaceous, (3)8- 10 cm long, acute at apex, dark green, drying brown, persisting intact or semi-intact. LEAVES erect; petioles 4- 12 cm long, 5-8 mm diam., ± D-shaped, with the medial rib and the margins raised adaxially, 3-5-ribbed to rounded abaxially, the surface dark green to sometimes dark purple-green; geniculum slightly thicker than petiole, ca. 0.8 cm long; blades coriaceous, stiff, elliptic to oblong-elliptic, obtuse-rounded at apex, obtuse at base, 34-65 cm long, 12-18 cm wide, broadest just above the middle, the margins revolute; upper surface matte to semiglossy, bullate, dark green, lower surface matte, sometimes tinged reddish or purple; midrib prominently acute above and below; primary lateral veins 7-10 per side, departing midrib at 40-50º angle, very long-arcuate to the margin or slightly arcuate to the collective vein, sunken to weakly raised above, raised below, drying slightly raised above and below; interprimary veins few, less prominent than primary lateral veins; tertiary veins sunken above, raised below, drying slightly raised; collective vein arising from about the middle of the blade or absent, sunken above, raised below, slightly raised above and below when dried, nearly as prominent as primary lateral veins, 10-20 mm from margin. INFLORESCENCES erect, shorter than leaves; peduncle 7-18 cm long, 5-12 mm diam., ca. 2 x as long as petiole, dark green, terete; spathe spreading to reflexed, subcoriaceous, green, lanceolate- elliptic, 8-9 cm long, 2-3 cm wide, broadest near the base, acute at apex (the acumen slightly inrolled), acute at base; stipe to 5 mm long; spadix creamy white, sometimes faintly tinged with purple, cylindroid, sessile or shortly stipitate, erect, straight to slightly curved, 8-15 cm long, 8-12 mm diam. midway; flowers ± rhombic, 1- 1.5 mm long, 1.5-2 mm wide; 16-17 flowers visible in principal spiral, 23-24 in alternate spiral; tepals minutely puberlent to densely papillate; lateral tepals 0.7-0.9 mm wide, inner margins ± straight, Outer margins 2-4-sided; pistils prominently exserted, papillate; stigma circular, 0.3 mm long, brushlike. INFRUCTESCENCE with the spathe persisting; berries lavender with the apical 1/4 white, obovoid, sharply apiculate at apex, 6-7 mm long, 2.5 mm diam.