Banksia sect. Eubanksia is an obsolete section of Banksia . There have been two circumscriptions, one of which is synonymous with the recently abandoned B. subg. Banksia sensu Alex George, the other having no modern equivalent.
The name Eubanksia was first published without rank by Stephan Endlicher in 1847. [1] He published it as a replacement name for Robert Brown's Banksia verae , the "true banksias". In Brown's taxonomic arrangement of Banksia, Banksia verae was defined as comprising all species with a typical Banksia flower spike, and thus contained all known species except B. ilicifolia (Holly-leaved Banksia), which was unusual in having domed flower heads. [2] [3] Brown's circumscription of Banksia verae was retained for Eubanksia by Endlicher, and again by Carl Meissner, who gave Eubanksia sectional rank in his 1856 arrangement. Meissner divided B. sect. Eubanksia into four series, on the basis of leaf characters: B. ser. Abietinae, B. ser. Salicinae, B. ser. Quercinae and B. ser. Dryandroideae. [4]
George Bentham published a new arrangement of Banksia in 1870, dividing Banksia into five sections. He appropriated B. sect. Eubanksia for a section containing only B. marginata (Silver Banksia), B. dentata (Tropical Banksia) and B. integrifolia (Coast Banksia), claiming that "the three species here included... are so closely allied and so frequently connected by intermediates, that they might almost be considered as varieties of a single one." Thus Bentham's circumscription was completely unrelated to that of Brown, Endlicher and Meissner. [5]
B. sect. Eubanksia fell into disuse in 1981, when Alex George published his arrangement in The genus Banksia L.f. (Proteaceae) . He reverted to the circumscription of Brown, Endlicher and Meissner, but by this time the rules of botanical nomenclature had been formalised in such a way that Brown's Banksia verae had to be given the autonym B. subg. Banksia; thus Endlicher's unranked Eubanksia and Meissner's section Eubanksia are now considered nomenclatural synonyms of B. subg. Banksiasensu George. [6] This circumscription was retained in Thiele and Ladiges' 1996 arrangement, [7] and in George's 1999 arrangement, [8] but was finally abandoned in 2007 with the publication of B. subg. Banksia sensu Austin Mast and Kevin Thiele. [9]
On the other hand, Bentham's circumscription of B. sect. Eubanksia has no modern equivalent. The three species placed in that section by Bentham were all placed by George in B. ser. Salicinae, [6] [8] and retained in that series under Thiele and Ladiges' 1996 arrangement. [7] In both arrangements, however, the series contains a number of other species, and Bentham's three species are not considered particularly closely related.
Banksia subg. Isostylis is a subgenus of Banksia. It contains three closely related species, all of which occur only in Southwest Western Australia. Members of subgenus Isostylis have dome-shaped flower heads that are superficially similar to those of B. ser. Dryandra, but structurally more like reduced versions of the "flower spikes" characteristic of most other Banksia taxa.
Banksia subg. Banksia is a valid botanic name for a subgenus of Banksia. As an autonym, it necessarily contains the type species of Banksia, B. serrata. Within this constraint, however, there have been various circumscriptions.
As with other flowering plants, the taxonomy of Banksia has traditionally been based on anatomical and morphological properties of the Banksia flower, fruiting structure and seed, along with secondary characteristics such as leaf structure and growth habit. Increasingly, molecular evidence from DNA is providing important new insights into relationships within the genus and between this and other genera in the Proteaceae.
Banksia dryandroides, the dryandra-leaved banksia, is a species of small shrub in the plant genus Banksia. The Noongar peoples know the tree as manyat. It occurs in shrubland, woodland and kwongan on the south coast of Western Australia between Narrikup and Beaufort Inlet. The species is placed alone in series B. ser. Dryandroideae.
Banksia nutans, commonly known as nodding banksia, is a species of shrub native to the south coast of Western Australia in the genus Banksia. Growing to a metre (3 ft) tall, it has pale blue-green fine-leaved foliage and unusual purple-brown inflorescences which hang upside down rather than grow upright like most other banksias.
Banksia ser. Dryandroideae is a taxonomic series in the plant genus Banksia. First published by Carl Meissner in 1856, the name has had two circumscriptions. As presently circumscribed it is monotypic, containing only B. dryandroides.
Banksia ser. Abietinae is a valid botanic name for a series of Banksia. First published by Carl Meissner in 1856, the name has had three circumscriptions.
Banksia ser. Salicinae is a valid botanic name for a series of Banksia. First published by Carl Meissner in 1856, the name has had three circumscriptions.
The taxonomy of Banksia integrifolia has a long and complex history, the result of confusion caused by the species' great variability, and similarities with some closely related species. The existence of hybrids between B. integrifolia and related species as well as early attempts to classify the species based on dried specimen material have also contributed to the confusion.
Banksia ser. Quercinae is a valid botanic name for a series of Banksia. First published by Carl Meissner in 1856, the name has had three circumscriptions.
Banksia ser. Cyrtostylis is a taxonomic series within the plant genus Banksia. First published at sectional rank by George Bentham in 1870, it was demoted to a series by Alex George in 1981. The name has had three circumscriptions.
Banksia ser. Banksia is a valid botanic name for a series of Banksia. As an autonym, it necessarily contains the type species of Banksia, B. serrata. Within this constraint, however, there have been various circumscriptions.
Banksia fraseri is a species of shrub that is endemic to Western Australia. It has hairy stems, broadly linear pinnatisect leaves with between four and eighteen sharply-pointed lobes on each side, between eighty and one hundred pink to cream-coloured flowers and wege-shaped follicles.
Dryandra subg. Diplophragma is an obsolete subgenus within the former genus Dryandra. It was first published by Robert Brown in 1830, but was discarded by George Bentham in 1870. It was reinstated with a new circumscription by Alex George in 1996, but was ultimately discarded again in 2007 when Austin Mast and Kevin Thiele sunk Dryandra into Banksia.
Robert Brown's taxonomic arrangement of Dryandra was the first arrangement of what is now Banksia ser. Dryandra. His initial arrangement was published in 1810, and a further arrangement, including an infrageneric classification, followed in 1830. Aspects of Brown's arrangements can be recognised in the later arrangements of George Bentham and Alex George.
Banksia spinulosa var. collina is a shrub that grows along the east coast of Australia, in Queensland and New South Wales. Commonly known as Hill Banksia or Golden Candlesticks, it is a taxonomic variety of B. spinulosa. It is a popular garden plant widely sold in nurseries.
Carl Meissner's taxonomic arrangement of Dryandra, now Banksia ser. Dryandra, was published in 1856 as part of his chapter on the Proteaceae in A. P. de Candolle's Prodromus systematis naturalis regni vegetabilis. It replaced the 1830 arrangement of Robert Brown, and remained current until superseded by the 1870 arrangement of George Bentham.
Banksia spinulosa var. spinulosa is a shrub that grows along the east coast of Australia, in Queensland and New South Wales.
Banksia spinulosa var. cunninghamii, sometimes given species rank as Banksia cunninghamii, is a shrub that grows along the east coast of Australia, in Victoria and New South Wales. It is a fast-growing non-lignotuberous shrub or small tree infrequently cultivated.
Dryandra ser. Aphragma is an obsolete series within the former genus Dryandra. It was first published at sectional rank by Robert Brown in 1830, and was retained at that rank until 1999, when Alex George demoted it to a series. It was discarded in 2007 when Austin Mast and Kevin Thiele sank Dryandra into Banksia.