What is "arisaema atrorubens"

jack-in-the-pulpit \jack-in-the-pulpit\ n.

1. A common American spring-flowering woodland herb ( Aris[ae]ma triphyllum) having sheathing leaves and an upright club-shaped spadix with overarching green and purple spathe producing scarlet berries; also called Indian turnip.

   Syn: Indian turnip, wake-robin, Arisaema triphyllum, Arisaema atrorubens.

2. A common European arum ( Arum maculatum) with lanceolate spathe and short purple spadix; it emerges in early spring and is a source of a sagolike starch called arum.

   Syn: cuckoo-pint, cuckoopint, lords and ladies, lords-and-ladies, Arum maculatum.