Dryland Centrolepis
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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
| Olary Spur (FLB03) | Flinders Lofty Block | Rare (IUCN: RA d(i)) [desert spp. ephemeral] |
| Myall Plains (GAW01) | Gawler | Rare (IUCN: RA d(ii)) [sthn limit of range, ephemeral] |
| Gawler Lakes (GAW03) | | Rare (IUCN: RA d(ii)) |
| Torrens (GAW06) | | Near Threatened |
| Roxby (GAW07) | | Near Threatened |
| Curnamona (BHC06) | Broken Hill Complex | Rare (IUCN: RA d(i)) [desert spp. ephemeral] |
| Dieri (SSD03) | Simpson Strzelecki Dunefields | Near Threatened |
| Strzelecki Desert (SSD05) | | Near Threatened |
| Oodnadatta (STP02) | Stony Plains | Near Threatened |
| Murnpeowie (STP03) | | Near Threatened |
| Peake-Dennison Inlier (STP04) | | Near Threatened |
| Macumba (STP05) | | Near Threatened |
| Baltana (STP07) | | Near Threatened |
| Coongie (CHC06) | Channel Country | Near Threatened |
| Lake Pure (CHC07) | | Near Threatened |
| Mann-Musgrave Block (CER01) | Central Ranges | Near Threatened |
| Watarru (CER02) | | Near Threatened |
| Everard Block (CER03) | | Near Threatened |
| Olary Spur (FLB03) | Flinders Lofty Block | Rare (IUCN: RA d(i)) [desert spp. ephemeral] |
| 4 of 8 subregions | Gawler | Near Threatened , Rare |
| Curnamona (BHC06) | Broken Hill Complex | Rare (IUCN: RA d(i)) [desert spp. ephemeral] |
| 2 of 4 subregions | Simpson Strzelecki Dunefields | Near Threatened |
| 5 of 7 subregions | Stony Plains | Near Threatened |
| 2 of 4 subregions | Channel Country | Near Threatened |
| 3 of 3 subregions | Central Ranges | Near Threatened |
Common names
Dryland Centrolepis
Distribution and status
Herbarium regions: North Western, Lake Eyre, Gairdner-Torrens, Flinders Ranges, Eastern, Eyre Peninsula
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 | 71,000 (0.68 g) | 50+ | 18-Aug-2011 | DEM7313
Lake Eyre | 1-Nov-2012 | 100% | -18°C |
BGA
MSB | 25,000 (0.7 g)
25,000 (0.7 g) | 100+ | 1-Sep-2016 | DJD3392
Lake Eyre | 1-Nov-2017 | 90% | -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 |
| Jun-17 | 90% | 21 | 21 |
1% agar;
Incubated under winter conditions |
| Jul-17 | 27% | 21 | NA |
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)
