Plants of
South Australia
Maireana carnosa
Chenopodiaceae
Cottony Bluebush
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Regional Species Conservation Assessments per IBRA subregion.
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Adelaide
Arkaroola
Ceduna
Coober Pedy
Hawker
Innamincka
Marla
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Oodnadatta
Renmark
Wudinna
Keith
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Botanical art

Kath Alcock painting: 1.

Etymology

'Maireana', after the 19th century French botanist, Adolphe Lemaire and 'carnosa', meaning fleshy.

Distribution and status

Recorded from the central northern area of the State, usually around salt lakes. Native; several records from South Australia but more commonly found in Western Australia. Also recorded in Northern Territory and less commonly in Queensland.
Herbarium regions: North Western, Lake Eyre, Nullarbor, Flinders Ranges, Eastern, Murray
NRM regions: Alinytjara Wilurara, South Australian Arid Lands, South Australian Murray-Darling Basin
AVH map: SA distribution map (external link)

Plant description

Erect perennial shrub to 30 cm high; branches woody at the base. Fleshy leaves to 10 mm; long, woolly or silky to almost glabrous. Flowers densely woolly, spirally arranged in dense leafy spikes. Flowering August to October Fruits are fruiting perianth sessile; covered in wool, to 8 mm diameter. Narrow, horizontal wing, with a single radial split. Seeds are ellipsoid to circular, convex brown seed Seed embryo type is peripheral

Seed collection and propagation

Collect seeds between August and October. Collect dry fruits. Check that they contain well developed seeds before making a collection. Shake or strip fruits into a vessel. Remove twigs and other plant material.

Seeds stored:
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LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA4,000 (35.09 g)30+5-Oct-2010DJD1943
Lake Eyre
1-Jan-201295%-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.