Arisaema stewardsonii Britton. Section: Pistillata. Bog Jack-in-the-pulpit. Phen: Apr-May. Hab: Bogs and peaty swamps. Dist: NS west to MN, south to w. NC, e. TN, and n. IN (Treiber 1980).
Origin/Endemic status: Native
Other Comments: This taxon is the most northern, and also has the most distinctive habitat, being restricted to distinctly wet, peaty sites. This taxon is diploid (2n=28).
Synonymy: = F; = Arisaema triphyllum (L.) Schott ssp. stewardsonii (Britton) Huttl. – K1, K3, K4, NE, NY, Pa, Va, Gusman & Gusman (2002), Huttleston (1949), Huttleston (1981), Treiber (1980); = Arisaema triphyllum (L.) Schott var. stewardsonii (Britton) Stevens – C, G; < Arisaema triphyllum (L.) Schott – FNA22, GrPl, GW1, Mi, RAB, W
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