Seeds of South Australia
Spyridium parvifolium (Rhamnaceae)
Australian Dusty Miller
List of species for Spyridium
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Herbarium regions:
Flinders Ranges, Eastern, Eyre Peninsula, Northern Lofty, Murray, Southern Lofty, Kangaroo Island, South Eastern
NRM regions:
Adelaide and Mount Lofty Ranges, Eyre Peninsula, Kangaroo Island, South Australian Arid Lands, South Australian Murray-Darling Basin, South East
IBRA regions
Bridgewater (NCP01)Naracoorte Coastal Plain
 Rare   (IUCN: RA d(ii))
Glenelg Plain (NCP02) 
 Rare   (IUCN: RA d(i,ii))
Lucindale (NCP03) 
 Rare   (IUCN: RA d(i,ii))
Fleurieu (KAN02)Kanmantoo
 Near Threatened
Mount Lofty Ranges (FLB01)Flinders Lofty Block
 Least Concern
Broughton (FLB02) 
 Vulnerable   (IUCN: VU B2ab(i,ii,iii))   (Probable Decline)   [isolated area]
Southern Flinders (FLB04) 
 Least Concern   [Restricted range.]
Murray Mallee (MDD02)Murray Darling Depression
 Rare   (IUCN: RA d(i,ii))   (Probable Decline)   [not typical habitat; edge of range; could be miss id]
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 Spyridium]
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA 
MSB
12352
12352
20123-Dec-2003PJA 77
Southern Lofty
1-Sep-200480%+5°C, -18°C
BGA268 (3.8 g)20+29-Nov-2006DJD699
Northern Lofty
1-Aug-2007100%-18°C
BGA7000 (9.71 g)29-Aug-2007RJB73957
Northern Lofty
19-Sep-200880%-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
Jul-0477%22 d39 d hot water (90°C) 10 min, 20% hydrogen peroxide 10 min, water rinse;
filter paper over moist sponge;
14/10;  /  10°C/18°C
Jul-0453%19 d49 d dry heat 80°C oven 10 min, 20% hydrogen peroxide 10 min, water rinse;
filter paper over moist sponge;
14/10;  /  10°C/18°C
Jul-042%33 dNA 20% hydrogen peroxide 10 min, water rinse;
filter paper over moist sponge;
14/10;  /  10°C/18°C
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)