Maireana aphylla, also known as cotton bush or leafless bluebush, is a leafless (or almost leafless) shrub that is endemic to Australia. It is usually rounded in form and grows to around in height.
The species occurs in all mainland states and territories apart from the Australian Capital Territory.
Cotton bush is a divaricately branched shrub that grows to 0.5–2 meters high. It is a predominantly dioecious plant. The branchlets of Cotton bush striate and are almost glabrous to somewhat woolly, and often spinescent. Its leaves are small, alternate, slender and subterete. They are rarely longer than 8 millimeters and are frequently caducous.
Its flowers are usually solitary.[1]