WordNet sense 1 (common American spring-flowering woodland herb having sheathing leaves and an upright club-shaped spadix with overarching green and purple spathe producing scarlet berries):

wake-robin, Indian turnip

WordNet sense 2 (common European arum with lanceolate spathe and short purple spadix; emerges in early spring; source of a starch called arum):

cuckoopint, lords-and-ladies