''Acacia perangusta'', commonly known as eprapah wattle, is a tree or shrub belonging to the genus ''
Acacia
''Acacia'', commonly known as wattles or acacias, is a genus of about of shrubs and trees in the subfamily Mimosoideae of the pea family Fabaceae. Initially, it comprised a group of plant species native to Africa, South America, and Austral ...
'' and the subgenus ''Phyllodineae'' native to eastern
Australia
Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
.
Description
The shrub or small tree typically can grow to a height of around and has a bushy habit
[ with a width reaching up to .]glabrous
Glabrousness () is the technical term for a lack of hair, down, setae, trichomes, or other such covering. A glabrous surface may be a natural characteristic of all or part of a plant or animal, or be due to loss because of a physical condition, ...
, reddish brown coloured branchlets that are angled at the extremities. Like most species of ''Acacia'' it has phyllode
Phyllodes are modified petiole (botany), 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 co ...
s rather than true leaves. The thin, glabrous, evergreen phyllodes have a narrowly linear shape with a length of and a width of . They are occasionally obtuse-mucronate and have a fine midrib fine with few obscure lateral nerves. When it blooms it produces racemose inflorescence
In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a mai ...
s along an axis of with small spherical flower-heads that contain 9 to 12 lime yellow coloured flowers. After flowering glabrous 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 covered in white powdery coating. They are slightly constricted between seeds and convex on opposite sides with a length of up to and a width of around with longitudinally arranged seeds inside.[
]
Distribution
It is endemic
Endemism is the state of a species being found only 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 foun ...
to Queensland
Queensland ( , commonly abbreviated as Qld) is a States and territories of Australia, state in northeastern Australia, and is the second-largest and third-most populous state in Australia. It is bordered by the Northern Territory, South Austr ...
from around the Burrum Range in the north to around south east of Brisbane
Brisbane ( ; ) is the List of Australian capital cities, capital and largest city of the States and territories of Australia, state of Queensland and the list of cities in Australia by population, third-most populous city in Australia, with a ...
where it is found along small streams and creeks growing in sandy or clay loam soils.
See also
* List of ''Acacia'' species
References
{{Taxonbar, from=Q15288391
perangusta
Flora of Queensland
Plants described in 1980