Plants of
South Australia
Maireana aphylla
Amaranthaceae
Leafless Bluebush,
Cotton-bush
Display all 15 images
Regional Species Conservation Assessments per IBRA subregion.
Least concern
Near threatened
Rare
Vulnerable
Endangered
Critically endangered
Extinct
Data deficient
Adelaide
Arkaroola
Ceduna
Coober Pedy
Hawker
Innamincka
Marla
Marree
Mount Gambier
Oodnadatta
Renmark
Wudinna
Keith
Yunta
Enlarge Map
•
Copy Map
Copy Map
Display IBRA region text

Botanical art

Kath Alcock paintings: 2

Prior names

Kochia villosa var. aphylla

Salsola aphylla

Kochia aphylla

Common names

Leafless Bluebush

Cotton-bush

Etymology

Maireana, named after Charles Antoine Lemaire (1800�71), a French self-taught botanist and professor of botany at Ghent. Aphylla, from the Greek 'a', meaning without and 'phyllon,' meaning leaf, referring to leaf-less stems.

Distribution and status

Most commonly found in periodically waterlogged clay soils in the Arid Lands, Murraylands, Mid and Lower North regions of South Australia. Recorded in all mainland States. Native. Common in South Australia. Common in the others States.
Herbarium regions: North Western, Lake Eyre, Gairdner-Torrens, Flinders Ranges, Eastern, Eyre Peninsula, Northern Lofty, Murray, Green Adelaide
AVH map: SA distribution map (external link)

Plant description

Branched shrub 0.5-2 m high, predominantly dioecious; branchlets striate, almost glabrous to somewhat woolly, often spiny; leaves small, alternate, 1-4 rarely to 8 mm long; sparsely to densely woolly; very shortly spurred at the base. Flowers and fruits from June to September in the North and January to July in the South. Fruits are fruiting perianth straw-coloured and papery when dry; tube hemispherical to turbinate, 1-2 mm high; wing simple, horizontal, c. 8 mm diameter, with a single radial slit; upper perianth sparsely woolly. Seeds are ellipsoid to circular, brown, convex seed. Seed embryo type is peripheral.

Seed collection and propagation

Collect seeds between January and September. Collect dry papery fruits. Check that well developed seed is present before making a collection. Shake or strip fruits into a vessel. Remove twigs and other plant material

Seeds stored:
  Hide
LocationNo. of seeds
(weight grams)		Number
of plants		Date
collected		Collection number
Collection location		Date
stored		% ViabilityStorage
temperature
BGA910 (4.197 g)3-Mar-2023J.Casley-Smith
Southern Lofty		20-Jun-202368%-18°C
BGA1,600 (7.040 g)3-Mar-2023J.Casley-Smith
Southern Lofty		20-Jun-202360%-18°C
Location: BGA — the seeds are stored at the Adelaide Botanic Gardens, MSB — the seeds are stored at the Millennium Seed Bank, Kew, England.
Number of plants: This is the number of plants from which the seeds were collected.
Collection location: The Herbarium of South Australia's region name.
% Viability: Percentage of filled healthy seeds determined by a cut test or x-ray.
We acknowledge the contributions of the South Australian Seed Conservation Centre, the Botanic Gardens of South Australia, and the Department for Environment and Water.