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Arisaema triphyllum (L.) Schott subsp. triphyllum
Swamp Jack-in-the-pulpit

Araceae — Arum family
Native

Arisaema triphyllum subsp. triphyllum
Middle Run Valley Natural Area
May 2001
Arisaema triphyllum subsp. triphyllum
White Clay Creek State Park -- Thompson Station Road
September 2005
Arisaema triphyllum subsp. triphyllum
White Clay Creek State Park -- Thompson Station Road
April 2014
Arisaema triphyllum subsp. triphyllum
Middle Run Valley Natural Area
May 2014
Pistillate flowers
Arisaema triphyllum subsp. triphyllum
White Clay Creek State Park -- Possum Hill
May 2014
Staminate flowers
Arisaema triphyllum subsp. triphyllum
White Clay Creek State Park -- Judge Morris Estate
September 2014
The other plant is stiltgrass, an invasive non-native.
Arisaema triphyllum subsp. triphyllum
White Clay Creek State Park -- Possum Hill
September 2017
Arisaema triphyllum subsp. triphyllum
White Clay Creek State Park -- Thompson Station Road
September 2019