jack-in-the-pulpit has definitions from the field of botany
1
[ noun ] (botany) common American spring-flowering woodland herb having sheathing leaves and an upright club-shaped spadix with overarching green and purple spathe producing scarlet berries

Related terms

arum Arisaema

2
[ noun ] (botany) common European arum with lanceolate spathe and short purple spadix; emerges in early spring; source of a starch called arum

Related terms

arum genus_Arum arum

*