Rhus michauxii Sargent. Subgenus: Rhus. Michaux's Sumac, Dwarf Sumac. Phen: Jun; Aug-Sep. Hab: In the fall line sandhills characteristically in submesic, loamy swales, usually associated with such species as Paspalum bifidum, Helianthus divaricatus, Tridens carolinianus, Rhus copallinum, Anthenantia villosa, Gymnopogon spp., and Aristida lanosa; in the eastern Piedmont on sandy soils derived from granite; in the central Piedmont on clayey soils derived from mafic rocks such as gabbro or mafic Carolina slates, probably all of its habitats (formerly) in frequently burned situations. Dist: Rare and scattered (though formerly more common) from sc. VA south to GA; disjunct in Alachua County, FL. Large populations were found in sc. VA (Nottoway and Dinwiddie counties) in frequently burned military artillery "impact areas" on Fort Barfoot (formerly Fort Pickett) (Fleming & Ludwig 1996).

Origin/Endemic status: Endemic

Taxonomy Comments: Barden & Matthews (2004) presented a detailed account of its discovery by André Michaux in 1794 in what is now Union County, NC.

Synonymy: = Fl4, K1, K3, K4, NeUS, RAB, S, Va, WH3, Barkley (1937); = n/a – C, F, G; = Rhus pumila Michx., illegitimate name, specific epithet 'pumila' preoccupied in Rhus; = Schmaltzia michauxii (Sarg.) Small

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Heliophily ?: 8