Boltonia L'Héritier. Doll's-daisy.
Contributed by John F. Townsend and Alan S. Weakley
A genus of about 6-7 species, herbs, of e. and c. North America.
ID notes:The pappus of Boltonia consists of 2-3 sclerified awns plus 7-12 shorter bristles or scales, but lacks the prominent (longer) inner barbellate bristles of Erigeron. Boltonia cypselae also have winglike margins.
Ref: Anderson (1987); Cronquist (1980); Karaman-Castro & Urbatsch (2006) In Flora of North America Editorial Committee (2006b); Morgan (1966); Nesom (2000b); Sorrie & LeBlond (2008); Townsend (2013); Townsend & Karaman-Castro (2006). Show full citations.
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