Flora of the Southeastern United States
2022 Edition

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NYSSACEAE

Nyssa sylvatica Marshall. Sour Gum, Black Gum, Pepperidge. Phen: Apr-Jun; Aug-Oct. Hab: Dry or mesic upland forests, less commonly in bottomlands, pine savannas, or upland depressions, where occasionally inundated briefly. Dist: S. ME west to MI and se. WI, south to c. peninsular FL, west to e. TX and e. OK; disjunct in Chiapas).

ID notes: The leaves turn a brilliant orange-red in fall (often a few on any tree coloring prematurely in Jul or Aug).

Origin/Endemic status: Native

Syn: = Ar, FNA12, G, K1, K3, K4, Meso4.1, Mi, Mo2, NcTx, NY, Pa, S, Va, WV, Burckhalter (1992), Ward (2008b), Zhou et al (2018); = Nyssa sylvatica var. sylvatica – C, Fl5, GW2, RAB, Tn, Tx, WH3, Eyde (1966), Wen & Stuessy (1993); > Nyssa sylvatica var. caroliniana – F, Il; > Nyssa sylvatica var. dilatata – F; > Nyssa sylvatica var. sylvatica – F, Il

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