''Acacia dorsenna'' is a shrub belonging to 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 Western Australia. The dense domed shrub typically grows to a height of and wide. The smooth dull green

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 have an elliptic to obovate shape. The phyllodes are around in length and have a width of with obscure midrib and lateral nerves. It blooms from August to September producing yellow flowers. The inflorescences are found in groups of seven to ten. The spherical flower-heads contain 15 to 21 bright golden yellow flowers. The narrowly oblong brown seed pods that form after flowering have a length of around and a width of . The oblong-elliptic shaped seeds have a length of up to . It is a member of the '' Acacia prainii'' and resembles '' Acacia camptoclada'' and some forms of ''

Acacia merrallii ''Acacia merrallii'', commonly known as Merrall's wattle, is a shrub belonging to the genus ''Acacia'' and the subgenus ''Phyllodineae'' that is endemic to south western and southern Australia. Description The shrub typically grows to a height o ...

''. It is native to a small area in the Goldfields-Esperance region of Western Australia in a small area in the

Dundas Dundas may refer to: Places Australia * Dundas, New South Wales * Dundas, Queensland, a locality in the Somerset Region * Dundas, Tasmania * Dundas, Western Australia * Fort Dundas, a settlement in the Northern Territory 1824–1828 * Shire of ...

where it is found on low rocky hills growing in rocky sandy-loam-clay soils. Only two populations of the shrub are known both of which are located about to the north of

Norseman The Norsemen (or Norse people) were a North Germanic ethnolinguistic group of the Early Middle Ages, during which they spoke the Old Norse language. The language belongs to the North Germanic branch of the Indo-European languages and is the pre ...

in mallee or shrubland communities.

References

{{Taxonbar, from=Q9564258 dorsenna Acacias of Western Australia Taxa named by Bruce Maslin Plants described in 1995

See also

References