Seeds of South Australia
Sclerolaena convexula (Chenopodiaceae)
Tall Copperburr
List of species for Sclerolaena
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Herbarium regions:
North Western, Lake Eyre, Gairdner-Torrens, Flinders Ranges, Eastern, Murray
NRM regions:
Alinytjara Wilurara, South Australian Arid Lands, South Australian Murray-Darling Basin
IBRA regions
SUMMARY
Olary Spur (FLB03)Flinders Lofty Block
 Least Concern   [habitat specific]
Southern Flinders (FLB04) 
 Least Concern   [habitat specific]
Northern Flinders (FLB05) 
 Least Concern
Central Flinders (FLB06) 
 Least Concern
Murray Mallee (MDD02)Murray Darling Depression
 Rare   (IUCN: RA d(i,ii))   [unusual record]
Kingoonya (GAW05)Gawler
 Near Threatened   [southern limit]
Commonwealth Hill (GAW08) 
 Least Concern
Maralinga (GVD03)Great Victoria Desert
 Least Concern
Kintore (GVD04) 
 Least Concern
Tallaringa (GVD05) 
 Least Concern
Yellabinna (GVD06) 
 Near Threatened   [southern limit]
Carlisle (NUL01)Nullarbor
 Least Concern
Bimbowrie (BHC05)Broken Hill Complex
 Least Concern   [habitat specific]
Breakaways (STP01)Stony Plains
 Least Concern
Oodnadatta (STP02) 
 Near Threatened
Witjira (STP06) 
 Least Concern
Baltana (STP07) 
 Least Concern
Sturt Stony Desert (CHC02)Channel Country
 Least Concern
Coongie (CHC06) 
 Near Threatened   [limited habitat]
Lake Pure (CHC07) 
 Least Concern
Mann-Musgrave Block (CER01)Central Ranges
 Least Concern
Watarru (CER02) 
 Least Concern
Everard Block (CER03) 
 Least Concern
Tieyon (FIN03)Finke
 Least Concern
Pedirka (FIN04) 
 Least Concern
IBRA regions
DISPLAY ALL
4 of 6 subregionsFlinders Lofty BlockLeast Concern
Murray Mallee (MDD02)Murray Darling DepressionRare
  (IUCN: RA d(i,ii))   [unusual record]
2 of 8 subregionsGawlerLeast Concern
, Near Threatened
4 of 4 subregionsGreat Victoria DesertLeast Concern
, Near Threatened
Carlisle (NUL01)NullarborLeast Concern
Bimbowrie (BHC05)Broken Hill ComplexLeast Concern
  [habitat specific]
4 of 7 subregionsStony PlainsLeast Concern
, Near Threatened
3 of 4 subregionsChannel CountryLeast Concern
, Near Threatened
3 of 3 subregionsCentral RangesLeast Concern
2 of 2 subregionsFinkeLeast 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 Sclerolaena]
SA Flora:
Flora of South Australia Edition 5
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA24900 (115.77 g)5018-May-2007RJB72084
North Western
19-Sep-200860%-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
Aug-154%14 dNA
1% agar;
Incubated under spring/autumn conditions
Aug-152%14 dNA 250 mg/L gibberellic acid 24 h;
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)