The genus Geranium L. (Geraniaceae) in Nort America. I. Annual species

Authors

  • Carlos Aedo Real Jardin Botánico, CSIC

DOI:

https://doi.org/10.3989/ajbm.2000.v58.i1.138

Keywords:

Geranium, Geraniaceae, taxonomy, typification, North America

Abstract


Annual species of Geranium from North America north of Mexico are revised. Eleven species are accepted, of which six belong in subg. Geranium and five belong in subg. Robertium. Geranium bicknelli, G. carolinianum, and G. texanum are the only native species, whereas G. aequale, G. columbinum, G. dissectum, G. lucidum, G. molle, G. pusillum, G. robertianum, and G. rotundifolium were introduced from the Old World. Geranium sphaerospermum, sometimes accepted in current literature, is considered to be a synonym of G. carolinianum. Nomenclature for all species is reviewed, and eight lectotypes are designated. Descriptions, key, distribution maps, and illustrations are included.

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Published

2000-06-30

How to Cite

Aedo, C. (2000). The genus Geranium L. (Geraniaceae) in Nort America. I. Annual species. Anales Del Jardín Botánico De Madrid, 58(1), 39–82. https://doi.org/10.3989/ajbm.2000.v58.i1.138

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