''Acacia arbiana'' is a species of

wattle Wattle or wattles may refer to: Plants *''Acacia sensu lato'', polyphyletic genus of plants commonly known as wattle, especially in Australia and South Africa **''Acacia'', large genus of shrubs and trees, native to Australasia **Black wattle, c ...

that is endemic to

Queensland ) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , established_ ...

Description

The wattle grows as a spreading

shrub A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...

typically to height of . It has ribbed branchlets. The green, linear, straight

phyllode Phyllodes are modified petioles or leaf stems, which are leaf-like in appearance and function. In some plants, these become flattened and widened, while the leaf itself becomes reduced or vanishes altogether. Thus the phyllode comes to serve the ...

s are narrowed into a long curved

mucro A leaf (plural, : leaves) is any of the principal appendages of a vascular plant plant stem, stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", wh ...

. The phyllodes usually have a length of and a width of with sparse hairs and with no obvious nerves. It flowers between July and August producing the solitary, axillary flower-heads are spherical and contain 24 to 30 golden yellow flowers. The

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 that form after flowering have a length of up to around and a width of .

Taxonomy

The species was first formally described by the botanist

Leslie Pedley Leslie Pedley (19 May 1930 – 27 November 2018)IPNILeslie Pedley/ref> was an Australian botanist who specialised in the genus ''Acacia''. He is notable for bringing into use the generic name ''Racosperma'', creating a split in the genus, which r ...

in 1999 as part of the work ''Notes on Acacia (Leguminosae: Mimosoideae) chiefly from northern Australia'' as published in the journal '' Austrobaileya''. It was reclassified as ''Racosperma arbianum'' by Pedley in 2003 the transferred back to the genus ''Acacia'' in 2006.

Distribution

It is found in only a small area of eastern central

to the east of Clermont where it is only found in Peak Range around the summits of Ropers and Scotts Peak. It is found among heath-like vegetation communities growing in rocky soils.

References

{{Taxonbar, from=Q9562260 arbiana Flora of Queensland Taxa named by Leslie Pedley Plants described in 1999

Description

Taxonomy

Distribution

See also

References