Seeds of South Australia
Olearia glandulosa (Compositae)
Swamp Daisy-bush
List of species for Olearia
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Herbarium regions:
Southern Lofty, South Eastern
NRM regions:
Adelaide and Mount Lofty Ranges, South East
IBRA regions
Mount Gambier (SVP02)Southern Volcanic Plain
 Endangered   (IUCN: EN D)
Bridgewater (NCP01)Naracoorte Coastal Plain
 Endangered   (IUCN: EN D)
Glenelg Plain (NCP02) 
 Endangered   (IUCN: EN D)   (Probable Decline)
Fleurieu (KAN02)Kanmantoo
 Endangered   (IUCN: EN B2ab(i,ii,iii); D)   (Probable Decline)   [highly localised; well collected; quality of habitat declining, weeds]
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 Olearia]
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA 
MSB
65000+62000 (12+11 g)
130000 (23.75 g)
~5025-Jan-2005MKJ 79
Southern Lofty
31-Mar-200670%+5°C, -18°C
BGA11900 (2.18 g)40+15-Feb-2006DJD394
South Eastern
14-Sep-20065%-18°C
BGA16300 (2.67 g)106-Mar-2007DJD775
South Eastern
1-Aug-200775%+5°C, -18°C
BGA20000 (3.5 g)6-Mar-2007DJD776
South Eastern
1-Aug-200775%+5°C, -18°C
BGA13800 (8.06 g)50+7-Jan-2008TST328
South Eastern
19-Sep-200850%+5°C, -18°C
BGA7300 (1.81 g)525-Jan-2011JQ116
Southern Lofty
1-Jan-201225%-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:
DateResultT0T50Pre-treatment | Germination medium | Incubator: Photoperiod / Thermoperiod
Apr-1436%18 dNA 250 mg/L gibberellic acid 24 h;
1% agar;
Incubated under spring/autumn conditions
Apr-1428%18 dNA
1% agar;
Incubated under spring/autumn conditions
Result: Maximum percentage of germination observed.
T0: Number of days before first germinant observed.
T50: Number of days to achieve 50% germination.
Pre-treatment: The initial treatment that the seeds received prior to placement on germination media.
Germination medium: The substrate that seeds were placed on for the duration of the germination experiment.
Incubator conditions:
Photoperiod: The duration of light exposure that the seeds were subject to during a 24 hour period.
Thermoperiod: The constant or diurnal temperatures that seeds were subject to during a 24 hour period.
Winter conditions: 15°C 20 h (3am→11pm); 5°C 4 h (11pm→3am) / 10 h light (8am→6pm); 14 h dark (6pm→8am)
Spring/Autumn conditions: 22°C 12 h (8am→8pm); 10°C 12 h (8pm→8am) / 12 h light (8am→8pm); 12 h dark (8pm→8am)
Summer conditions: 30°C 14 h (6am→8pm); 15°C 10 h (8pm→6am) / 14 h light (6am→8pm); 10 h dark (8pm→6am)