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Artemisia nesiotica : ウィキペディア英語版 | Artemisia nesiotica
''Artemisia nesiotica'' is a rare California species of sagebrush in the daisy family, known by the common name island sagebrush. It is endemic to the Channel Islands of California, found on 3 of the 8 islands (San Nicolas, San Clemente, and Santa Barbara Islands).〔(Calflora taxon report, University of California, ''Artemisia nesiotica'' Raven, island sage brush, island sagebrush )〕 ''Artemisia nesiotica'' is a small shrub growing up to about 50 cm (20 inches) tall and generally rounded in shape. It produces several thin, upright stems from a woody base. The foliage is made up of woolly leaves divided into many thin, flat, threadlike segments. The inflorescence is a narrow cluster of several flower heads. The fruit is a tiny resinous achene with a pappus of hairs.〔(Flora of North America Vol. 19, 20 and 21 Page 530 Island sagebrush, ''Artemisia nesiotica'' P. H. Raven, Aliso. 5: 341. 1963. )〕 The earliest name given to the plaint was ''Crossostephium insulare'', coined by Per Axel Rydberg in 1916.〔(Rydberg, Per Axel 1916. in Britton, Nathaniel Lord, North American Flora 34(3): 244 ) description in English〕 In 1935, Philip Alexander Munz declared this to be a variety of ''Artemisia californica.''〔Munz, Philip Alexander 1935. Manual of Southern California Botany 601〕 Peter Raven later wanted to recognize the Channel Island plants as a distinct species within ''Artemisia,'' but the name ''Artemisia insularis'' had already been used for a Kuril Islands plant in 1936.〔Kitamura, Siro 1936. Acta Phytotaxonomica et Geobotanica 5: 93〕 Hence Raven's new name, ''Artemisia nesiotica.''〔Raven, Peter Hamilton 1963. Aliso 5(3): 341〕 ==References==
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