Arisaema pusillum (Peck) Nash. Section: Pistillata. Small Jack-in-the-pulpit, Swamp Jack. Phen: Mar-May; Jul-Sep. Hab: Swamps and moist forests. Dist: CT, NY, and IN, south to GA, LA, and e. TX.

Origin/Endemic status: Native

Other Comments: This taxon is diploid (2n=28).

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

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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 ?: 3