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''Philotheca nodiflora'' is a species of flowering plant in the family Rutaceae and is
''Philotheca nodiflora'' is a species of flowering plant in the family Rutaceae and is endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
to Western Australia. It is a weak shrub with more or less cylindrical leaves and blue to pink flowers arranged in compact heads.
Description
''Philotheca nodiflora'' is a weak shrub that grows to a height of . The leaves are more or less cylindrical, long, concave on the upper surface and rounded below. The flowers are borne compact heads in diameter on hairypedicels
In botany, a pedicel is a stem that attaches a single flower to the inflorescence. Such inflorescences are described as ''pedicellate''.
Description
Pedicel refers to a structure connecting a single flower to its inflorescence. In the absenc ...
long. The flowers have five linear to triangular sepal
A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 The term ''sepalum'' was coined b ...
s about long and five blue to pink, elliptic to egg-shaped petal
Petals are modified Leaf, leaves that surround the reproductive parts of flowers. They are often advertising coloration, brightly colored or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the ''c ...
s long. The ten stamen
The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10
Morphology and terminology
A stamen typically consists of a stalk called the filame ...
s are long and hairy.
Taxonomy and naming
This species was first formally described in 1939 byJohn Lindley
John Lindley FRS (5 February 1799 – 1 November 1865) was an English botanist, gardener and orchidologist.
Early years
Born in Catton, near Norwich, England, John Lindley was one of four children of George and Mary Lindley. George Lindley w ...
who gave it the name ''Eriostemon nodiflorus'' and published the description in ''A Sketch of the Vegetation of the Swan River Colony
"A Sketch of the Vegetation of the Swan River Colony", also known by its standard botanical abbreviation ''Sketch Veg. Swan R.'', is an 1839 article by John Lindley on the flora of the Swan River Colony. Nearly 300 new species were published in it, ...
''. In 1998 Paul G. Wilson
Paul Graham Wilson (born 1928) is an Australian botanist. He has been a most prolific contributor to the journal ''Nuytsia (journal), Nuytsia'', contributing to the first issue in 1970 and to the 12th volume in 1998, which was dedicated to him f ...
changed the name to ''Philotheca nodiflora'' in the journal ''Nuytsia
''Nuytsia floribunda'' is a hemiparasitic tree found in Western Australia. The species is known locally as moodjar and, more recently, the Christmas tree or Western Australian Christmas tree. The display of intensely bright flowers during the ...
'' and described four subspecies:
* ''Philotheca nodiflora'' subsp. ''calycina'' (Turcz.
Nikolai Stepanovich Turczaninow ( ru , Николай Степанович Турчанинов, 1796 in Nikitovka, now in Krasnogvardeysky District, Belgorod Oblast, Russia – 1863 in Kharkov) was a Russian botanist and plant collector who ...
) Paul G.Wilson
Paul Graham Wilson (born 1928) is an Australian botanist. He has been a most prolific contributor to the journal ''Nuytsia'', contributing to the first issue in 1970 and to the 12th volume in 1998, which was dedicated to him for his contribution ...
has flower heads in diameter;
* ''Philotheca nodiflora'' subsp. ''lasiocalyx'' (Domin
Karel Domin (4 May 1882, Kutná Hora, Kingdom of Bohemia – 10 June 1953, Prague) was a Czech botanist and politician.
After gymnasium school studies in Příbram, he studied botany at the Charles University in Prague, and graduated in 1906 ...
) Paul G.Wilson has flower heads in diameter and glabrous sepals;
* ''Philotheca nodiflora'' subsp. ''lateriticola'' Paul G.Wilson (originally named as subsp. ''latericola'') has flower heads in diameter, sepals and the back of the petals covered with long, soft hairs;
* ''Philotheca nodiflora'' (Lindl.) Paul G.Wilson subsp. ''nodiflora'' has flower heads in diameter, sepals covered with long, soft hairs, and glabrous petals.
Distribution and habitat
''Philotheca nodiflora'' subsp. ''calycina'' grows in gravelly soil nearWooroloo
Wooroloo is a town on the outer fringe of the Perth metropolitan region, located off Great Eastern Highway in the eastern part of the Shire of Mundaring. At the , Wooroloo had a population of 254.
History
The name comes from a Noongar word tha ...
and Wagin. Subspecies ''lasiocalyx'' grows in heath on sandy loam between Busselton
Busselton is a city in the South West region of the state of Western Australia approximately south-west of Perth. Busselton has a long history as a popular holiday destination for Western Australians; however, the closure of the Busselton ...
, Collie and the western end of the Cape Arid National Park
Cape Arid National Park is a List of national parks of Australia, national park located in Western Australia, southeast of Perth. The park is situated east of Esperance, Western Australia, Esperance and lies on the shore of the South coast of W ...
.
Subspecies ''lateriticola'' grows on laterite and ironstone on the Darling Range
The Darling Scarp, also referred to as the Darling Range or Darling Ranges, is a low escarpment running north–south to the east of the Swan Coastal Plain and Perth, Western Australia. The escarpment extends generally north of Bindoon, to th ...
between York
York is a cathedral city with Roman origins, sited at the confluence of the rivers Ouse and Foss in North Yorkshire, England. It is the historic county town of Yorkshire. The city has many historic buildings and other structures, such as a ...
and Bannister.
Subspecies ''nodiflora'' grows along creeks and in winter-wet swamps between Chittering and Bindoon on the Darling Range.
Conservation status
This species and each of the four subspecies are classified as "not threatened" by the Government of Western AustraliaDepartment of Parks and Wildlife
The Department of Parks and Wildlife (DPaW) was the department of the Government of Western Australia responsible for managing lands described in the ''Conservation and Land Management Act 1984'' and implementing the state's conservation and e ...
.
References
{{Taxonbar, from=Q18075587 nodiflora Flora of Western Australia Sapindales of Australia Plants described in 1839 Taxa named by John Lindley