Leaves with a distinct midrib, 70-100(-150) by (0.7-)1-2(-2.5) cm; rhizome stout, (0.8-)1-1.5(-3) cm diam.; spadix 4.5-5.6(-8-10) cm long and 0.6-1.2(-1.5) cm diam.; seed without long bristles, testa slightly foveolate (with small pits)
Leaves without distinct midrib, 20-45(-55) by (0.3-)0.5-1 cm; rhizome slender, 0.4-0.6(-0.8) cm diam.; spadix (3-)5-10(-14) cm long and (0.3-)0.4-0.6(-0.7) cm diam.; seed with long bristles, testa smooth
