Seeds of South Australia
Minuria annua (Compositae)
Annual Minuria
List of species for Minuria
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Seed collecting:
September to October
Herbarium regions:
Lake Eyre, Gairdner-Torrens, Flinders Ranges, Eyre Peninsula
NRM regions:
Eyre Peninsula, South Australian Arid Lands
IBRA regions
SUMMARY
Southern Flinders (FLB04)Flinders Lofty Block
 Rare   (IUCN: RA d(ii))   (Probable Decline)   [edge of range]
Northern Flinders (FLB05) 
 Rare   (IUCN: RA d(ii))
Central Flinders (FLB06) 
 Rare   (IUCN: RA d(i,ii))   (Probable Decline)   [restricted habitat, calcareous/gypseous soils]
Gawler Lakes (GAW03)Gawler
 Data Deficient
Arcoona Plateau (GAW04) 
 Data Deficient
Torrens (GAW06) 
 Near Threatened
Tallaringa (GVD05)Great Victoria Desert
 Near Threatened
Barrier Range (BHC01)Broken Hill Complex
 Rare   (IUCN: RA d(ii))   (Probable Decline)   [Grazing a threat]
Barrier Range Outwash (BHC04) 
 Rare   (IUCN: RA d(ii))   (Probable Decline)   [Grazing a threat. Probable decline]
Curnamona (BHC06) 
 Rare   (IUCN: RA d(ii))   (Probable Decline)
Dieri (SSD03)Simpson Strzelecki Dunefields
 Near Threatened
Warriner (SSD04) 
 Near Threatened
Strzelecki Desert (SSD05) 
 Near Threatened
Breakaways (STP01)Stony Plains
 Near Threatened
Oodnadatta (STP02) 
 Near Threatened
Murnpeowie (STP03) 
 Near Threatened
Witjira (STP06) 
 Near Threatened
Baltana (STP07) 
 Near Threatened
Everard Block (CER03)Central Ranges
 Near Threatened
IBRA regions
DISPLAY ALL
3 of 6 subregionsFlinders Lofty BlockRare
3 of 8 subregionsGawlerNear Threatened
, Data Deficient
Tallaringa (GVD05)Great Victoria DesertNear Threatened
3 of 4 subregionsBroken Hill ComplexRare
3 of 4 subregionsSimpson Strzelecki DunefieldsNear Threatened
5 of 7 subregionsStony PlainsNear Threatened
Everard Block (CER03)Central RangesNear Threatened
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 Minuria]
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA 
MSB
4400 (1.86 g)
3300 (1.4 g)
100+7-Sep-2013DJD2715
Lake Eyre
24-Mar-201575%-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-1488%7 d7 d
1% agar;
Incubated under winter conditions
Jul-1484%7 d7 d 250 mg/L gibberellic acid 48 h;
1% agar;
Incubated under winter conditions
Jul-1484%7 d7 d dry heat 100°C oven 2 min, 250 mg/L gibberellic acid 48 h;
1% agar;
Incubated under winter conditions
Jul-1478%7 d7 d dry heat 100°C oven 2 min, 250 mg/L gibberellic acid 48 h;
1% agar;
Incubated under spring/autumn conditions
Jul-1472%7 d7 d 250 mg/L gibberellic acid 48 h;
1% agar;
Incubated under spring/autumn conditions
Jul-1456%7 d7 d
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)