Also called Indian turnip.  Do not confuse with the similar-named 🇪🇺 European Jack in the pulpit  Arum maculatum.

Part of arum  family Araceae.

Native to eastern North America, from the Great Plains to the Atlantic Ocean.   🗺 Map by county (🇺🇸 USA-48) (color key).

Uses by native peoples
(Ethnobotany database)

Bloom dates in northern lower Michigan.  Adobe Acrobat Reader file (page 1)   Propagation protocol.  Adobe Acrobat Reader file

Learn more about Jack in the pulpit Arisaema triphyllum

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trillium  genus Trillium