Arisaema quinatum (Nuttall) Schott. Section: Pistillata. Southern Jack-in-the-pulpit, Preacher John. Phen: Mar-Jun; Jul-Sep. Hab: Mesic forests, bottomlands. Dist: Sc. NC, sw. NC, se. TN south to Panhandle FL and e. TX and s. AR, apparently extending north to WV and KY.

Origin/Endemic status: Endemic

Taxonomy Comments: This taxon has been of controversial validity and rank; Treiber lumped it with ssp. pusillum, while Huttleston recognized it as a full species (Huttleston 1949) or as a subspecies (Huttleston 1981). It is reported to flower later than A. pusillum or A. triphyllum when sympatric (Tennessee Flora Committee 2015). This taxon is diploid (2n=28).

Synonymy ⓘ: = GW1, S, S13, Tn, Tx, WH3, Huttleston (1949), Ward (2012b); = Arisaema triphyllum (L.) Schott ssp. quinatum (Nutt.) Huttl. – ETx1, K1, Huttleston (1981); = n/a – C, F; ? Arisaema polymorphum Buckley; < Arisaema triphyllum (L.) Schott – FNA22, RAB, W; < Arisaema triphyllum (L.) Schott ssp. pusillum (Peck) Huttl. – K3, K4, Gusman & Gusman (2002), Treiber (1980)

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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