(Vol. 02, 1999-12) A Revision of Hoffmannseggia (Fabaceae) in North America
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Hoffmannseggia, a genus of the Caesalpinieae, Caesalpinioideae, has been treated as a synonym of Caesalpinia or as a distinct genus with as many as 25 species. Recent molecular and morphological work has provided strong support for a monophyletic Hoffmannseggia distinct from either Caesalpinia or Pomaria. This revision provides the first complete nomenclature and discussion of the 11 species ( 12 taxa) of Hoffmannseggia occurring in North America. Included are a key to the species, maps showing distributions, and photographs of flowers or fruits of six species.