Seeds of South Australia
Malacocera tricornis (Chenopodiaceae)
Three-horned Saltbush
List of species for Malacocera
Display more images
Click on an image to enlarge it
Herbarium regions:
Lake Eyre, Gairdner-Torrens, Flinders Ranges, Eastern, Eyre Peninsula, Murray
NRM regions:
Eyre Peninsula, South Australian Arid Lands, South Australian Murray-Darling Basin
IBRA regions
SUMMARY
Olary Spur (FLB03)Flinders Lofty Block
 Least Concern
Southern Flinders (FLB04) 
 Least Concern
Northern Flinders (FLB05) 
 Near Threatened   [limited to edge of ranges]
Central Flinders (FLB06) 
 Rare   (IUCN: RA d(ii))   [(no records)]
St Vincent (EYB02)Eyre Yorke Block
 Rare   (IUCN: RA d(i))   (Probable Decline)
South Olary Plain (MDD01)Murray Darling Depression
 Rare   (IUCN: RA d(ii))   [probably undercollected; persists in drought]
Murray Mallee (MDD02) 
 Vulnerable   (IUCN: VU B2ab(i,ii,iii,iv))   (Probable Decline)   [limited habitat]
Braemer (MDD07) 
 Least Concern
Murray Scroll Belt (RIV06)Riverina
 Rare   (IUCN: RA d(ii))
Myall Plains (GAW01)Gawler
 Rare   (IUCN: RA d(ii))   (Probable Decline)   [grazed ]
Gawler Volcanics (GAW02) 
 Rare   (IUCN: RA d(ii))   [grazed ]
Gawler Lakes (GAW03) 
 Rare   (IUCN: RA d(ii))   (Probable Decline)   [grazed ]
Arcoona Plateau (GAW04) 
 Rare   (IUCN: RA d(ii))   [grazed ]
Kingoonya (GAW05) 
 Rare   (IUCN: RA d(ii))   [grazed ]
Torrens (GAW06) 
 Near Threatened   [historically grazed]
Barrier Range (BHC01)Broken Hill Complex
 Least Concern
Barrier Range Outwash (BHC04) 
 Least Concern
Bimbowrie (BHC05) 
 Least Concern
Curnamona (BHC06) 
 Least Concern
Dieri (SSD03)Simpson Strzelecki Dunefields
 Least Concern
Strzelecki Desert (SSD05) 
 Least Concern
Breakaways (STP01)Stony Plains
 Near Threatened
Oodnadatta (STP02) 
 Least Concern
Murnpeowie (STP03) 
 Least Concern
Macumba (STP05) 
 Least Concern
Witjira (STP06) 
 Rare   (IUCN: RA d(ii))   [edge of range]
Baltana (STP07) 
 Least Concern
Sturt Stony Desert (CHC02)Channel Country
 Least Concern
Coongie (CHC06) 
 Least Concern
IBRA regions
DISPLAY ALL
4 of 6 subregionsFlinders Lofty BlockLeast Concern
, Near Threatened
, Rare
St Vincent (EYB02)Eyre Yorke BlockRare
  (IUCN: RA d(i))   (Probable Decline)
3 of 6 subregionsMurray Darling DepressionLeast Concern
, Rare
, Vulnerable
Murray Scroll Belt (RIV06)RiverinaRare
  (IUCN: RA d(ii))
6 of 8 subregionsGawlerNear Threatened
, Rare
4 of 4 subregionsBroken Hill ComplexLeast Concern
2 of 4 subregionsSimpson Strzelecki DunefieldsLeast Concern
6 of 7 subregionsStony PlainsLeast Concern
, Near Threatened
, Rare
2 of 4 subregionsChannel CountryLeast 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 Malacocera]
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
BGA 
MSB
4400 (29.78 g)
4400 (29.78 g)
100+22-Oct-2008MJT162
Eastern
20-Jul-200995%-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
May-1733%7 250 mg/L gibberellic acid for 24 h;
1% agar;
Incubated under winter conditions
May-1722%7
1% agar;
Incubated under winter 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)