Chelone Linnaeus. Turtlehead.
A genus of about 4 species, perennial herbs, of e. North America.
ID notes:The four fertile stamens are inserted on either side of the corolla near its base and are flattened and conspicuously pilose. The single staminodium (the color of which is used in the key) is much shorter (often only a few mm long), and is inserted uppermost on the corolla near its base.
Ref: Nelson (2019) In Flora of North America Editorial Committee (2019); Nelson, Elisens, & Benesh (1998); Pennell (1935). Show full citations.
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© Gary P. Fleming | 
© Gary P. Fleming | 
© Grant Morrow Parkins | 
© Richard & Teresa Ware | Chelone obliqua var. obliqua CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Paul Marcum |