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''Grevillea hookeriana'' (Red toothbrushes or Hooker's grevillea) is a shrub species in the family Proteaceae. It is endemic to the south west region of Western Australia. It usually grows to between 0.5 and 2.5 metres in height and 4 metres wide. Yellow, red or black "toothbrush" flowers are produced between May and November.〔 The species was formally described by botanist Carl Meissner in ''Plantae Preissianae'' in 1845. The Latin specific epithet ''hookeriana'' refers to Sir Joseph D. Hooker.〔Sue Gordon (Editor) 〕 Three subspecies are currently recognised: *''G. hookeriana'' subsp. ''apiciloba'' (F.Muell.) Makinson *''G. hookeriana'' subsp. digitata (F.Muell.) Makinson *''G. hookeriana'' Meisn. subsp. ''hookeriana'' ==Cultivation== A cultivar known as ''G''.'Red Hooks' (often erroneously referred to as ''G. hookeriana'' or ''G. hookerana'') has been in cultivation for many years. It is a hybrid of ''G. hookeriana'' and ''''G. tetragonoloba''.〔 ''G. hookeriana'' is comparatively rare in cultivation, and less vigorous than the cultivar. It is best suited to a climate where the summers are dry.〔 It requires good drainage and prefers a sunny or partially shaded position and has moderate frost resistance.〔(【引用サイトリンク】publisher=Association of Societies for Growing Australian Plants (ASGAP) )〕 Propagation is from semi-mature cuttings or seed.〔 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「Grevillea hookeriana」の詳細全文を読む スポンサード リンク
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