Geranium sect. Gracilia (Geraniaceae) comprises nine species in the Andes of Venezuela and Colombia. Geranium lindenianum and G. gracilipes are synonymized with G. holosericeum. The identity of G. multiceps is clarified. Its differences from the two Colombian species, G. santanderiense and G. lainzii, are discussed. Geranium lignosum, G. sebosum, G. stoloniferum, G. subnudicaule, and G. velutinum are now considered to be members of sect. Gracilia. The identity of G. pilgerianum could not be clarified because the type was destroyed and other collections have not been found. Micromorphological leaf and seed characters are discussed. Six lectotypes and one neotype are designated.
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1 April 2003
Taxonomic revision of Geranium sect. Gracilia (Geraniaceae)
Carlos Aedo,
Juan José Aldasoro,
L. Sáez,
Carmen Navarro
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Brittonia
Vol. 55 • No. 2
April 2003
Vol. 55 • No. 2
April 2003
Colombia
Geraniaceae
Geranium
Gracilia
Venezuela