Seeds of South Australia
Ozothamnus scaber (Compositae)
Rough Bush-everlasting
List of species for Ozothamnus
Click on an image to enlarge it
Seed collecting:
Herbarium regions:
Flinders Ranges, Eastern, Northern Lofty, South Eastern
NRM regions:
South Australian Arid Lands, South East
IBRA region
Olary Spur (FLB03)Flinders Lofty Block
 Endangered   (IUCN: EN C2a(i))   (Probable Decline)   [Grazing]
Southern Flinders (FLB04) 
 Vulnerable   (IUCN: VU C2a(i))   (Probable Decline)   [hills, rocky gorges]
Northern Flinders (FLB05) 
 Vulnerable   (IUCN: VU B2ab(i))   (Probable Decline)
Central Flinders (FLB06) 
 Vulnerable   (IUCN: VU B2ab(i))   (Probable Decline)
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. Scaber from the Latin 'scaber' meaning rough, scaly; referring to the 
Endemic to South Australia and found in the Flinders Ranges.
Native. Rare in South Australia.
Fruit type:
Dense creamy brown heads.
Seed type:
Brown elliptical seed to 1 mm long and 0.5 mm wide, covered sparely with short white hairs and short 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.
Seed viability:
From one collection, the seed viability was high, at 100%.
Seeds stored:
LocationNo. of seeds
(weight grams)
of plants
Collection number
Collection location
% ViabilityStorage
3500 (0.32 g)
3500 (0.32 g)
Flinders Ranges
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.