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''Isocoma menziesii'' is a species of flowering plant in the daisy family, known by the common name Menzies' goldenbush. It is native to California, Baja California, and Baja California Sur, where it grows in coastal and inland habitat such as chaparral, particularly in sandy soils. 〔(Nesom, G.L. 1991. Taxonomy of ''Isocoma'' (Compositae: Astereae). Phytologia 70(2): 69–114 ) includes distribution map on page 72〕 ==Description== ''Isocoma menziesii'' is a subshrub forming a matted bush reaching between one and two meters (40-80 inches) tall. The erect branching stems may be hairless to woolly, are generally glandular, and vary in color from gray-green to reddish-brown. 〔 The leaves are oval-shaped to somewhat rectangular, gray-green and sometimes hairy and glandular, and long with stumpy teeth along the edges. 〔 The abundant inflorescences are clusters of thick flower heads. Each head is a capsule with layers of thick, pointed, greenish phyllaries. The head is filled with large, protruding, cylindrical yellow disc florets with long stigmas.〔(Flora of North America, Isocoma menziesii (Hooker & Arnott) G. L. Nesom, 1991. Pacific jimmyweed , Menzies’ goldenbush )〕 ;Varieties〔〔〔 * ''Isocoma menziesii'' var. ''decumbens'' (Greene) G.L.Nesom - far northern Baja California, San Diego County, Channel Islands *''Isocoma menziesii'' var. ''diabolica'' G. L. Nesom - Santa Clara + San Benito Counties * ''Isocoma menziesii'' var. ''menziesii'' - Baja California, Baja California Sur, San Diego County, Orange County, western Riverside County, Channel Islands * ''Isocoma menziesii'' var. ''sedoides'' (Greene) G.L.Nesom - from Orange to San Luis Obispo Counties including Channel Islands * ''Isocoma menziesii'' var. ''tridentata'' (Greene) G.L.Nesom - southern Baja California including Isla Cedros, northern Baja California Sur * ''Isocoma menziesii'' var. ''vernonioides'' (Nutt.) G.L.Nesom - from Monterey County to northern Baja California 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 menziesii」の詳細全文を読む スポンサード リンク
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