''Acacia puncticulata'' is a shrub of the genus ''
Acacia
''Acacia'', commonly known as the wattles or acacias, is a large genus of shrubs and trees in the subfamily Mimosoideae of the pea family Fabaceae. Initially, it comprised a group of plant species native to Africa and Australasia. The genus na ...
'' and the subgenus ''Phyllodineae'' that is
endemic to an area along the west coast of
Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
.
Description
The spreading diffuse shrub typically grows to a height of
[ and has many branches. The hairy branchlets have a white-grey coloured epidermis that becomes fissured with age and spinose and straight stipules with a length of and often have hardened bases persisting. Like many species of ''Acacia'' it has ]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 rather than true leaves. The coriaceous, shiny, dark green and patent phyllodes have an ovate to widely elliptic shape and usually have a length of and a width of and has a prominent midrib.[ The inflorescences occur singly in the ]axil
A leaf ( : leaves) is any of the principal appendages of a vascular plant stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, st ...
s and have spherical to obloid shaped flower-heads containing 35 to 60 golden coloured flowers. After flowering seed pods form that have a spirally coiled shape. The coriaceous and glabrous seed pods have a width of and contain dull black to brown seeds with an oblong shape and a length of .[
]
Distribution
It is native to an area in the Wheatbelt and Mid West
The Midwestern United States, also referred to as the Midwest or the American Midwest, is one of four census regions of the United States Census Bureau (also known as "Region 2"). It occupies the northern central part of the United States. I ...
regions of Western Australia where it is commonly situated on sandplains, rocky granite hills and outcrops growing in rocky and loamy or sandy soils.[
]
See also
* List of ''Acacia'' species
References
{{Taxonbar, from=Q9568389
puncticulata
Acacias of Western Australia
Taxa named by Bruce Maslin
Plants described in 1999