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Regional Species Conservation Assessments per IBRA subregion.
Display IBRA region text
|Kingoonya (GAW05)||Gawler|| Least Concern [possibly undercollected, southern limit]|
|Roxby (GAW07)|| || Rare (IUCN: RA d(i,ii)) [limited habitat]|
|Maralinga (GVD03)||Great Victoria Desert|| Least Concern [southern limit]|
|Tallaringa (GVD05)|| || Least Concern|
|Nullarbor Plain (NUL02)||Nullarbor|| Rare (IUCN: RA d(i,ii)) [grows on limestone]|
|Breakaways (STP01)||Stony Plains|| Least Concern|
|Oodnadatta (STP02)|| || Least Concern|
|Peake-Dennison Inlier (STP04)|| || Near Threatened|
|Macumba (STP05)|| || Rare (IUCN: RA d(i,ii)) [edge of range]|
|Witjira (STP06)|| || Rare (IUCN: RA d(i,ii)) [edge of range]|
|Mann-Musgrave Block (CER01)||Central Ranges|| Rare (IUCN: RA d(i,ii))|
|Everard Block (CER03)|| || Near Threatened|
Kath Alcock paintings: 3
Acacia coriacea, partly
Distribution and status
Herbarium regions: North Western, Lake Eyre, Gairdner-Torrens
NRM regions: Alinytjara Wilurara, South Australian Arid Lands
AVH map: SA distribution map (external link)
|Location||No. of seeds|
|2,950 (143.4 g)|
2,950 (143.4 g)
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.
|Date||Result||T0||T50||Pre-treatment | Germination medium | Incubator: Photoperiod / Thermoperiod|
||seed coat nicked with scalpel|
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.
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)