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A revision of the genus Anoda is presented that recognizes 23 species, of which ten are described as new. The genus includes annual herbs, subshrubs, and occasionally shrubs and occurs from the southern United States to Bolivia, Argentina, and Chile. Most of this distributional range, however, is accounted for by a single species, A. cristata, which also occurs as an adventive in a few other parts of the world. The genus is principally Mexican, all of the species occurring within that country. Anoda is closely allied to the genus Periptera, also a Mexican genus, and the two genera share features of fruit structure. The two genera together seem to occupy a relatively isolated position within the family. Anoda is subdivided into six sections, and keys to the sections and to the species are presented.

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© 1987 Paul A. Fryxell

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This work is licensed under a Creative Commons Attribution 4.0 License.

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