Anthurium magrewii
Internodes 0.2 - 0.3 cm long, 3 - 4 cm diam.; roots moderately dense, 4 mm diam., light brown; cataphylls with subapical appiculum, persisting as fine fibers at upper nodes. LEAVES 105 - 131 cm long (averaging 118) with petioles 41.2 - 57 cm long, 8 mm thick, 7 mm wide, basically terete, drying obtusely U-shaped, obtusely deeply and narrowly sulcate, flattened adaxially with bluntly acute margins, minutely short-speckled, geniculum 2 - 2.5 cm long slightly swollen; blades oblong-elliptic, 55.1 - 74.1 cm long, 10 - 20.3 cm wide, 3.1 - 5.9 times longer than wide (averaging 4.1), 1.0 - 1.4 times longer than petiole (averaging 1.3), subcoriaceous, shortly and gradually acuminate at apex, rounded at base; midrib drying narrowly rounded and concolorous above, narrowly rounded and slightly paler below; primary lateral veins 16 - 25 pairs, arising from the midrib at 40 - 50u angles, weakly raised to narrowly raised and concolorous above, bluntly acute and darker green below, drying paler below; basal veins 2 pairs, the outer pair weak and soon margining out, the inner and principle basal pair forming the collective veins and running to the apex, 7 - 10 mm from margins; tertiary veins flattened, darker than surface. INFLORESCENCE erect-spreading, 32 - 86 cm long (averaging 59) with peduncles 27 - 70 cm long (averaging 42.5 cm), terete, 5 - 7 mm diam., drying 2 - 4 mm diam.; spathe spreading, green, lanceolate, 6 - 18.4 cm long, 1 - 2.3 cm wide, heavily tinged purple within with midrib darker purple, sometimes also on outside; spadix dark purple, matte, 5 - 17.5 cm long (averaging 12.1), 4 - 8 mm diam. (averaging 6); flowers 5 - 8 visible per spiral, 2.8 - 3 mm long, 2.6 mm wide; tepals matte, minutely papillate, sparsely pale-dotted; lateral tepals 1.6 mm wide, the inner margin broadly rounded, outer margins 2-sided; stamens held at the level of the tepals; anthers 0.6 mm long, 0.95 mm wide. INFRUCTESCENCE: berries reddish, obovoid, 5 mm diam., 6 mm long; seeds ovoid, 2.8 - 3.3 mm 3 2.2 - 2.5, purplish speckled, 1.0 - 1.8 mm thick bicolorous, dark green and weakly semiglossy to weakly glossy above, paler and matte, weakly glaucous below.
Anthurium magrewii is endemic to Ecuador, known only from the type specimen but from an unknown locality so both the life zone and elevation are also unknown.