Arisaema triphyllum (Linnaeus) Schott. Section: Pistillata. Common Jack-in-the-pulpit. Phen: Mar-Apr. Hab: Mesic forests, bottomlands. Dist: NB west to se. MB, south to Panhandle FL, LA, and e. TX (Treiber 1980).

Origin/Endemic status: Native

Taxonomy Comments: This taxon is tetraploid (2n=56).

Synonymy: = Spaulding et al (2019); = Arisaema atrorubens (Aiton) Blume – F; = Arisaema triphyllum (L.) Schott ssp. triphyllum – Il, K1, K3, K4, Mo1, NE, NY, Pa, Tn, Va, Gusman & Gusman (2002), Huttleston (1949), Huttleston (1981), Treiber (1980); = Arisaema triphyllum (L.) Schott var. triphyllum – C, Tx, Ward (2012b); < Arisaema triphyllum (L.) Schott – Ar, ETx1, FNA22, GrPl, GW1, Mi, Ok, RAB, S, S13, Tat, W, WH3

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACW (taxonomic split from wetland indicator species)
• Eastern Mountains and Piedmont: FACW (taxonomic split from wetland indicator species)
• Great Plains: FAC (taxonomic split from wetland indicator species)
• Midwest: FACW (taxonomic split from wetland indicator species)
• Northcentral & Northeast: FAC (taxonomic split from wetland indicator species)

Heliophily: 2