Plants of
South Australia
Maireana integra
Chenopodiaceae
Entire-wing Bluebush
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Hawker
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Botanical art

Kath Alcock painting: 1.

Etymology

'Maireana', after the 19th century French botanist, Adolphe Lemaire and 'integra', referring to the entire wing margin of the perianth.

Distribution and status

Widely spread throughout arid and semi-arid areas of mainland Australia; not recorded in Victoria or Tasmania. Native.
Herbarium regions: North Western, Lake Eyre, Nullarbor, Gairdner-Torrens, Flinders Ranges, Eastern, Eyre Peninsula, Murray
NRM regions: Alinytjara Wilurara, Eyre Peninsula, South Australian Arid Lands, South Australian Murray-Darling Basin
AVH map: SA distribution map (external link)

Plant description

Shrub to 1 m with woolly branches; thin leaves in alternate arrangement 5-14 mm long, c. 1 mm wide; obtuse, woolly. Flowers solitary, bisexual. Fruits are fruiting perianth pale to dark-brown when dry; wing simple and entire, without a radial slit; horizontal, c. 10 mm diameter. Seeds are ellipsoid to circular, convex, brown seed. Seed embryo type is peripheral

Seed collection and propagation

Collect dry, papery fruits. Check that they contain well developed seeds before making a collection by cutting open some fruits. 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
 
MSB

3,100 (19.49 g)
26-Aug-2008TST401
Lake Eyre
45%
BGA11,400 (62.7 g)30-Aug-2016JRG399
North Western
1-Nov-201790%-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.
Germination table:
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