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Grevilleoideae
''Grevilleoideae'' is a subfamily of the ''Proteaceae'' family of flowering plants. Mainly restricted to the southern hemisphere, it contains around 44 genera and about 950 species. Genera include ''Banksia'', ''Grevillea'' and ''Macadamia''.
==Description==
The Grevilleoideae grow as trees, shrubs or subshrubs. They are highly variable, making it impossible to provide a simple, diagnostic identification key for the subfamily. One common and fairly diagnostic character is the occurrence of flowers in pairs that share a common bract. However, a few Grevilleoideae taxa do not have this property, having solitary flowers or inflorescences of unpaired flowers. In most taxa the flowers occur in densely packed heads or spikes, and the fruit is a follicle.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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