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Isocoma pluriflora
''Isocoma pluriflora'', commonly called Southern jimmyweed, is a North American species of flowering perennial herbs in the sunflower family. It grows northern Mexico (Baja California Sur, Sonora, Chihuahua, Coahuila, Nuevo León) and in the southwestern and south-central United States (Arizona, New Mexico, Colorado and Texas).〔(Biota of North America Program 2014 county distribution map )〕〔(SEINet, Southwestern Biodiversity, Arizona chapter ) photos, descriptions, distribution map〕〔(Nesom, G.L. 1991. Taxonomy of ''Isocoma'' (Compositae: Astereae). Phytologia 70(2): 69–114 ) description and discussion of ''I. pluriflora'' on pages 102-106, distribution map on page 73〕
''Isocoma pluriflora'' grows tall. Leaves are narrow, up to 5 cm (2 inches) long. The plant produces numerous flower heads in a cluster at the top of the stem, each head with 8-21 yellow disc flowers but no ray flowers. The species is named ''"pluriflora",'' 'many flowered', for its up to 25-50 vertical and approximately parallel stalks, tipped with yellow golden flower heads.〔(Flora of North America, ''Isocoma pluriflora'' (Torrey & A. Gray) Greene, 1894. Southern jimmyweed )〕
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「Isocoma pluriflora」の詳細全文を読む
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