Chelone obliqua Linnaeus var. erwiniae Pennell & Wherry. Mountain Purple Turtlehead, Erwin’s Turtlehead. Phen: Jul-Oct; Sep-Nov. Hab: Bogs, streambanks, swamp forests. Dist: Southern Blue Ridge from w. VA south to sw. NC, e. TN, nw. SC, and ne. GA (mapping somewhat provisional).
Origin/Endemic status: Endemic
Taxonomy Comments: Var. erwiniae is tetraploid; the other varieties are hexaploid (Nelson, Elisens, & Benish 1998). This taxon is likely to be elevated to species rank (A. Nelson, pers. comm., 2023).
Synonymy: = FNA17, K1, K3, K4; = Chelone obliqua L. ssp. erwiniae (Pennell & Wherry) Pennell – Pennell (1935); < Chelone obliqua L. – GW2, RAB, S, W
Wetland Indicator Status:
- Eastern Mountains and Piedmont: OBL (taxonomic split from wetland indicator species)
- Great Plains: OBL (taxonomic split from wetland indicator species)
- Midwest: OBL (taxonomic split from wetland indicator species)
- Northcentral & Northeast: OBL (taxonomic split from wetland indicator species)
Heliophily: 5
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© Alan Cressler: Chelone obliqua var. erwiniae, Blue Ridge Parkway, Jackson County, North Carolina 1 by Alan Cressler source | Original Image ⭷
© Chris Ulrey | Original Image ⭷
© Jim Fowler | Original Image ⭷
© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Alan M. Cressler | Original Image ⭷Feedback
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