Limestone Wattle,
Northern Myall
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Regional Species Conservation Assessments per IBRA subregion.
Least concern
Near threatened
Rare
Vulnerable
Endangered
Critically endangered
Extinct
Data deficient
Adelaide
Arkaroola
Ceduna
Coober Pedy
Hawker
Innamincka
Marla
Marree
Mount Gambier
Oodnadatta
Renmark
Wudinna
Keith
Yunta
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 |
Botanical art
Kath Alcock paintings: 3
Prior names
Acacia coriacea, partly
Racosperma calcicola
Common names
Limestone Wattle
Northern Myall
Distribution and status
Herbarium regions: North Western, Lake Eyre, Gairdner-Torrens
AVH map: SA distribution map (external link)
Location | No. of seeds (weight grams) | Number of plants | Date collected | Collection number Collection location | Date stored | % Viability | Storage temperature | BGA MSB | 2,950 (143.4 g) 2,950 (143.4 g) | 30+ | 27-Oct-2017 | PJL3248 Lake Eyre | 30-Jun-2018 | 70% | -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:
Display
Date | Result | T0 | T50 | Pre-treatment | Germination medium | Incubator: Photoperiod / Thermoperiod |
Mar-18 | 100% | 7 | 14 |
seed coat nicked with scalpel 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)