Swida obliqua (Rafinesque) Moldenke. Phen: May-Aug; Aug-Oct. Hab: Swamps, moist thickets, (in VA) rocky rivershores where periodically scoured. Dist: ME and QC west to ND, south to VA, KY, c. TN, AR, and OK.
Origin/Endemic status: Native
Other Comments: Some material intermediate between S. amomum and S. obliqua has been found in the Mountains of nw. NC and w. VA. These plants are recognizable by leaves intermediate between the putative parents, ovate with an attenuate base, abaxial surface papillose; abaxial and adaxial surfaces with mostly appressed ornamented trichomes, but with scattered unornamented trichomes with erect arms on both blade surfaces and midvein and secondary veins.
Synonymy: = Cornus amomum Mill. ssp. obliqua (Raf.) J.S.Wilson – GrPl, GW2, Mi, NY, Pa, Ferguson (1966c), Ferguson (1966d); = Cornus amomum Mill. var. schuetzeana (C.A.Mey.) Rickett – C; = Cornus obliqua Raf. – Ar, F, FNA12, Il, K1, K3, K4, Tn, Va, WV; = Cornus purpusii Koehne – G; = Swida amomum (Mill.) Small var. schuetzeana (C.A.Mey.) A.Haines – NE