Plants of
South Australia
Ozothamnus turbinatus
Compositae
Coast Bush-everlasting
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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
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Botanical art

Kath Alcock paintings: 2.

Etymology

Ozothamnus, from the Greek 'ozo', meaning to smell and 'thamnos,' meaning shrub, alluding to the fragrant foliage when crushed. Turbinatus, from Latin meaning top-shaped.

Distribution and status

Found along the coast on the Fleurieu Peninsula and the South-east in South Australia, growing on exposed dunes and cliffs. Also found in New South Wales, Victoria and Tasmania. Native. Common in South Australia. Uncommon in New South Wales. Common in the other States.
Herbarium regions: Southern Lofty, South Eastern
NRM regions: Adelaide and Mount Lofty Ranges, South East
AVH map: SA distribution map (external link)

Plant description

Dense spreading shrub to 2 m high with branchlets covered in dense cottony hairs. Leaves, spreading, linear, to 25 mm long and 2 mm wide; glabrous above with densely cottony hairs beneath; whitish or yellow-resinous; apex acute to obtuse; margins revolute. Inflorescences hemispherical, to 5 cm diameter, with 20–40, dull-yellow flowers. Flowering between January and March. Fruits are dense cream- yellow heads. Seeds are brown ovoid seed to 1 mm long and 0.5 mm wide, covered with yellow resin and scattered short white hairs, with a very long pappus at one end. Seed embryo type is spatulate, fully- developed.

Seed collection and propagation

Collect seeds between April and May. Collect mature seed heads turning a cream-brown. Place the heads in a tray and leave to dry for 1-2 weeks, then rub the heads gently with your hands to dislodge the seeds. Use a sieve to separate the unwanted material. Store the seeds with a desiccant such as dried silica beads or dry rice, in an air tight container in a cool and dry place.

Seeds stored:
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LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA 
MSB
9,400 (8.07 g)
9,400 (8.07 g)
100+19-May-2004DJD10
Southern Lofty
23-Mar-2006N/C+5°C, -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.