Delaware Wildflowers • Scientific names

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

Guide to Arisaema of Delaware

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Photos copyright David G. Smith

Information from the Delaware Flora Checklist used with author's permission.

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