Acacia quadrimarginea
Encyclopedia
Acacia quadrimarginea, commonly known as granite wattle or spreading wattle, is a tree
in the family
Mimosaceae. Endemic to Western Australia
, it occurs through arid south-central Western Australia. It is common on granite
, but also occurs on sand and clay, and is often seen along creeklines in rocky hills.
Granite wattle grows as a small tree up to six metres high, and often wider than it is high. Like most Acacia
species, it has phyllodes rather than true leaves. These are green with a faint red margin, up to ten centimetres long, and slightly curved. The flowers are yellow, and held in cylindrical clusters. The pods are four sided and thick, up to fifteen centimetres long.
Tree
A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...
in the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
Mimosaceae. Endemic to Western Australia
Western Australia
Western Australia is a state of Australia, occupying the entire western third of the Australian continent. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Indian Ocean to the south, the Northern Territory to the north-east and South Australia to the south-east...
, it occurs through arid south-central Western Australia. It is common on granite
Granite
Granite is a common and widely occurring type of intrusive, felsic, igneous rock. Granite usually has a medium- to coarse-grained texture. Occasionally some individual crystals are larger than the groundmass, in which case the texture is known as porphyritic. A granitic rock with a porphyritic...
, but also occurs on sand and clay, and is often seen along creeklines in rocky hills.
Granite wattle grows as a small tree up to six metres high, and often wider than it is high. Like most Acacia
Acacia
Acacia is a genus of shrubs and trees belonging to the subfamily Mimosoideae of the family Fabaceae, first described in Africa by the Swedish botanist Carl Linnaeus in 1773. Many non-Australian species tend to be thorny, whereas the majority of Australian acacias are not...
species, it has phyllodes rather than true leaves. These are green with a faint red margin, up to ten centimetres long, and slightly curved. The flowers are yellow, and held in cylindrical clusters. The pods are four sided and thick, up to fifteen centimetres long.