Ptelea trifoliata Linnaeus var. 1 [=polyadenia] . New Mexico Wafer-ash. Phen: Apr-Jun; Jun-Aug. Hab: Rocky hillsides, creek banks. Dist: AR, OK, and CO south to w. TX, NM, AZ, and Mexico.

Origin/Endemic status: Native

Synonymy: = Ptelea trifoliata L. ssp. polyadenia – GrPl, K1, K3, K4, Tx, Bailey (1962), Skornia, Yang, & Applequist (2015); ? Ptelea toxicodendron Small – S13; < Ptelea trifoliata L. – Ar, Mex

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACU (taxonomic split from wetland indicator species)
• Eastern Mountains and Piedmont: FAC (taxonomic split from wetland indicator species)
• Great Plains: FAC (taxonomic split from wetland indicator species)
• Midwest: FACU (taxonomic split from wetland indicator species)
• Northcentral & Northeast: FACU (taxonomic split from wetland indicator species)