Acacia Lasiocarpa
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''Acacia lasiocarpa'', commonly known as Panjang or Pajang or glow wattle, is a shrub of the genus '' Acacia'' and the subgenus ''Pulchellae'' that is endemic to Western Australia.


Description

The shrub typically grows to a height of and across. The branchlets are covered in spines. The
pinnae The auricle or auricula is the visible part of the ear that is outside the head. It is also called the pinna (Latin for "wing" or " fin", plural pinnae), a term that is used more in zoology. Structure The diagram shows the shape and location ...
occur in pairs and have a length of with two to eight pairs of pinnules that are long and wide. The foliage is lime green in colour. It blooms from May to October and produces yellow flowers. The rudimentary
inflorescence An inflorescence is a group or cluster of flowers arranged on a Plant stem, stem that is composed of a main branch or a complicated arrangement of branches. Morphology (biology), Morphologically, it is the modified part of the shoot of sperma ...
s have globular flowerheads containing 16 to 50 golden flowers. Following flowering flat or undulate brown
seed pod This page provides a glossary of plant morphology. Botanists and other biologists who study plant morphology use a number of different terms to classify and identify plant organs and parts that can be observed using no more than a handheld magnify ...
s form that are in length and wide. The sometimes mottled seeds inside have an oblong to elliptic or circular shape and are in length.


Taxonomy

The species was first formally described by the botanist
George Bentham George Bentham (22 September 1800 – 10 September 1884) was an English botanist, described by the weed botanist Duane Isely as "the premier systematic botanist of the nineteenth century". Born into a distinguished family, he initially studie ...
in 1837 as part of the Bentham, Stephan Endlicher,
Eduard Fenzl Eduard Fenzl (1808, in Krummnußbaum – 1879, in Vienna) was an Austrian botanist. Life and contributions An obituary notes " was Professor of Botany and Director of the Imperial Botanical Cabinet, a member of the Vienna Academy of Sciences, ...
and
Heinrich Wilhelm Schott Heinrich Wilhelm Schott (7 January 1794 in Brünn (Brno), Moravia – 5 March 1865 at Schönbrunn Palace, Vienna) was an Austrian botanist well known for his extensive work on aroids (Araceae). He studied botany, agriculture and chemistry at ...
work ''Enumeratio plantarum quas in Novae Hollandiae ora austro-occidentali ad fluvium Cygnorum et in Sinu Regis Georgii collegit Carolus liber baro de Hügel''. It was reclassified as ''Racosperma lasiocarpum'' in 2003 but transferred back to the genus ''Acacia'' in 2006. There are three varieties: *''Acacia lasiocarpa'' var. ''bracteolata'' *''Acacia lasiocarpa'' var. ''lasiocarpa'' *''Acacia lasiocarpa'' var. ''sedifolia''


Distribution

It is native to an area in the Wheatbelt, Goldfields-Esperance and Great Southern regions of
Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...
with the bulk of the population found south west of a line from Kalbarri to Esperance. The plant is found in a range of habitat including in seasonally damp areas, in and around swamps, on flats and coastal dunes an can grow in a variety of soils.


See also

* List of ''Acacia'' species


References

{{Taxonbar, from=Q15287570 lasiocarpa Acacias of Western Australia Plants described in 1837 Taxa named by George Bentham