Acacia mutabilis
Acacia mutabilis is a shrub belonging to the genus Acacia and the subgenus Phyllodineae that is endemic to south western Australia. Description The shrub typically grows to a height of . It is glabrous branchlets has caducous stipules and can have minute hairs often found within the phyllode axils. The green to green phyllodes have a linear to oblanceolate shape and are straight to incurved. The phyllodes have a length of and a width of . It blooms from August to October and produces yellow flowers. The rudimentary inflorescences are found on two headed racemes that have an axes of in length. The spherical flower-heads contain 16 to 32 golden flowers and have a diameter of . The seed pods that form after flowering are curved or a singular coil. The black pods have a length of up to and a width of . The shiny black seeds within have an oblong shape and are in length. Taxonomy The species was first formally described by the botanist Bruce Maslin in 1999 as part of the work Acacia miscellany. The taxonomy of fifty-five species of Acacia, primarily Western Australian, in section Phyllodineae (Leguminosae: Mimosoideae) as published in the journal Nuytsia. It