| Acacia luteola | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Clade: | Mimosoideae |
| Genus: | Acacia |
| Species: | A. luteola |
| Binomial name | |
| Acacia luteola | |
 | |
| Occurrence data from AVH | |
Acacia luteola is a shrub of the genus Acacia and the subgenus Pulchellae that is endemic to an area of south west Australia.
The shrub typically grows to a height of 0.2 to 1 metre (1 to 3 ft) [1] and has hairy branchlets. The leaves are composed of two or three pairs of pinnae with the proximal pinnae having a length of 2 to 5 mm (0.079 to 0.197 in) and the distal pinnae having a length of 3 to 12 mm (0.12 to 0.47 in) that have a usually recruved elliptic shape. These, in turn, are made up of two to three pairs of pinnules on the proximal pinnae and two to five pinnules on the dital pinnae that usually have a narrowly oblong shape with a length of 2 to 6 mm (0.079 to 0.236 in) and a width of 0.5 to 1 mm (0.020 to 0.039 in). The green pinnules have a recurved to revolute shape and are obliquely narrowed at the apex. [2] It blooms from February to November and produces cream-yellow flowers. [1] The simple inflorescences usually are found occurring singly in the axills and have spherical to cylindrical shaped that contain 16 to 30 cream to pale yellow coloured flowers. The hairy seed pods have a length of 2 to 5 cm (0.79 to 1.97 in) and a width of 4 to 6 mm (0.16 to 0.24 in) with obliquely arranged seeds inside. [2]
The species was first formally described by the botanist Bruce Maslin in 1975 as a part of the work Studies in the genus Acacia (Mimosaceae) - A Revision of Series Pulchellae as published in the journal Nuytsia It was reclassified as Racosperma luteolum in 2003 by Leslie Pedley then transferred back to genus Acacia in 2006. [3]
The type specimen was collected in 1922 by Charles Austin Gardner from the Porongurup Range. [2]
It is native to an area in the South West and Great Southern regions of Western Australia where it is commonly situated in low lying areas. [1] The bulk of the population is found from Mount Barker to the Stirling Range in the north down to around Albany to the Beaufort Inlet in the south where it grows in sandy to sandy clay and loamy soils in seasonal swamps as a part of mallee or woodland and communities. [2]
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