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''Grevillea mucronulata'', also known as green spider flower or green grevillea, is a shrub of the family Proteaceae that is endemic to New South Wales in Australia. Described by Robert Brown in 1810, it is found in open sclerophyll forest or woodland around the Sydney region and New South Wales south coast. It grows as a small bush to 3 metres high and wide, with variable foliage and greenish flowers that appear over the cooler months from May to October. The flowers are attractive to birds. ==Taxonomy== Joseph Banks collected ''G. mucronulata'' in April 1770 at Botany Bay, making it the first member of the genus to be discovered.〔 The species was first formally described by Scottish botanist Robert Brown in his 1810 work ''Prodromus Florae Novae Hollandiae et Insulae Van Diemen'', the type specimen having been collected from heathland around Port Jackson.〔 The species name is the Latin diminutive ''mucronulatus'' "with a small point" and relates to the small pointed apex of the leaf. Brown also described ''Grevillea cinerea'' from the Grose River, and ''Grevillea acuminata'' which have since been classified as this species.〔 〕 Plants in cultivation in the early 19th century were called ''G. acuminata''.〔 Joseph Knight described a ''Lysanthe podalyriaefolia'' in his 1809 work ''On the cultivation of the plants belonging to the natural order of Proteeae'', which may refer to this species. However, the description is inadequate to identify the species, and so the binomial name, though it pre-dates Brown's, is invalid.〔 Interbreeding with cultivated grevilleas, most likely ''G. rosmarinifolia'' has occurred in Helensburgh south of Sydney, and the resulting plants have been found growing by the side of the road in disturbed habitats.〔 Natural hybrids are formed with other species including ''Grevillea juniperina'' subsp. ''juniperina'' around the Pitt Town area,〔 and ''Grevillea arenaria'' subsp. ''arenaria''.〔 ''Grevillea mucronulata'' is closely related to ''Grevillea kedumbensis'', which has more granular leaves and a style covered with fine hair and keeled perianth.〔 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 mucronulata」の詳細全文を読む スポンサード リンク
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