Seeds of South Australia
Ozothamnus turbinatus (Compositae)
Coast Bush-everlasting
List of species for Ozothamnus
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Seed collecting:
April to May
Herbarium regions:
Southern Lofty, South Eastern
NRM regions:
Adelaide and Mount Lofty Ranges, South East
IBRA regions
Bridgewater (NCP01)Naracoorte Coastal Plain
 Least Concern
Fleurieu (KAN02)Kanmantoo
 Endangered   (IUCN: EN B2ab(iii); D)   (Probable Decline)   [edge of range; lack of regeneration; only few plants known]
Murray Lakes and Coorong (MDD03)Murray Darling Depression
 Least Concern
RSCA map:
Regional Species Conservation Assessments per IBRA subregion. Please click the thumbnail map.
AVH map:
Australian distribution map (external link)
SA Census:
Census of South Australian plants (external link)     [genus Ozothamnus]
Name derivation:
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. 
Found along the coast in 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.
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, 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.
Fruit type:
Dense creamy yellow heads.
Seed type:
Brown ovoid seed to 1 mm long and 0.5 mm wide, covered with yellow resinous and scattered short white hairs and very long pappus at one end.
Embryo type:
Spatulate fully developed.
Seed collecting:
Collect mature seed heads, those turning a creamy-brown.
Seed cleaning:
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:
LocationNo. of seeds
(weight grams)
of plants
Collection number
Collection location
% ViabilityStorage
9400 (3.6+3.6 g)
>10019-May-2004DJD 10
Southern Lofty
23-Mar-2006no record+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.