The genus Geranium L. (Geraniaceae) in North America. II. Perennial species

Perennial species of Geranium from North America north of México are revised. Nineteen species are accepted, of which seventeen belong in subg. Geranium and two belong in subg. Robertium. Geranium erianthum, G. maculatum, G. oreganum, G. sylvaticum, G. caespitosum, G. californicum, G. lentum, G. wis...

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Bibliographic Details
Main Author: Carlos Aedo
Format: Article
Language:English
Published: Consejo Superior de Investigaciones Científicas 2001-06-01
Series:Anales del Jardín Botánico de Madrid
Subjects:
Online Access:http://rjb.revistas.csic.es/index.php/rjb/article/view/74
Description
Summary:Perennial species of Geranium from North America north of México are revised. Nineteen species are accepted, of which seventeen belong in subg. Geranium and two belong in subg. Robertium. Geranium erianthum, G. maculatum, G. oreganum, G. sylvaticum, G. caespitosum, G. californicum, G. lentum, G. wislizenii, G. richardsonii, G. viscosissimum are native, whereas G. pratense, G. sanguineum, G. potentilloides, G. sibiricum, G. thunbergii, G. retrorsum, G. solanderi, G. pyrenaicum and G. palmatum were introduced from Europe, Asia, and Oceania. Geranium eremophilum, G. fremontü, G. parryi, G. marginóle and G. cowenii, sometimes accepted in currant literature, are considerad to be synonyms of G. caespitosum. Similarly, G. strigosum and G. attenuilobum are synonymized to G. viscosissimum, and G. concinnum to G. californicum. Nomenclatura for all species is reviewed, and seventeen lectotypes are designated. Descriptions, key, distribution maps, and illustrations are included.
ISSN:0211-1322
1988-3196