Seeds of South Australia
Lotus australis (Leguminosae)
Australian Trefoil
List of species for Lotus
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Seed collecting:
December to February
Herbarium regions:
Flinders Ranges, Eyre Peninsula, Northern Lofty, Murray, Yorke Peninsula, Southern Lofty, Kangaroo Island, South Eastern
NRM regions:
Adelaide and Mount Lofty Ranges, Eyre Peninsula, Kangaroo Island, Northern and Yorke, South Australian Murray-Darling Basin, South East
IBRA regions
SUMMARY
Bridgewater (NCP01)Naracoorte Coastal Plain
 Least Concern   [long-lived seeds]
Glenelg Plain (NCP02) 
 Rare   (IUCN: RA d(i,ii))   [long-lived seeds]
Lucindale (NCP03) 
 Rare   (IUCN: RA d(ii))   [long-lived seeds]
Kangaroo Island (KAN01)Kanmantoo
 Near Threatened   [comes & goes; likes fire & disturbance]
Fleurieu (KAN02) 
 Near Threatened   [comes & goes; likes fire & disturbance]
Mount Lofty Ranges (FLB01)Flinders Lofty Block
 Near Threatened   (Probable Increase)   [used in coastal reveg; comes & goes; likes fire & disturbance]
Broughton (FLB02) 
 Vulnerable   (IUCN: VU C2a(i))   (Probable Decline)   [grazed, roadsides]
Southern Flinders (FLB04) 
 Rare   (IUCN: RA d(ii))
Northern Flinders (FLB05) 
 Rare   (IUCN: RA d(ii))   [long-lived seedbank]
Central Flinders (FLB06) 
 Near Threatened   [long-lived seedbank]
Southern Yorke (EYB01)Eyre Yorke Block
 Least Concern
St Vincent (EYB02) 
 Rare   (IUCN: RA d(ii))
Eyre Hills (EYB03) 
 Rare   (IUCN: RA d(i,ii))
Talia (EYB04) 
 Least Concern
Murray Mallee (MDD02)Murray Darling Depression
 Rare   (IUCN: RA d(ii))
Murray Lakes and Coorong (MDD03) 
 Least Concern   [long-lived seeds]
Wimmera (MDD05) 
 Vulnerable   (IUCN: VU D2)   [long-lived seeds]
Murray Scroll Belt (RIV06)Riverina
 Rare   (IUCN: RA d(ii))   [unusual; outlier]
Gawler Volcanics (GAW02)Gawler
 Rare   (IUCN: RA d(i,ii))
IBRA regions
DISPLAY ALL
3 of 4 subregionsNaracoorte Coastal PlainLeast Concern
, Rare
2 of 2 subregionsKanmantooNear Threatened
5 of 6 subregionsFlinders Lofty BlockNear Threatened
, Rare
, Vulnerable
4 of 5 subregionsEyre Yorke BlockLeast Concern
, Rare
3 of 6 subregionsMurray Darling DepressionLeast Concern
, Rare
, Vulnerable
Murray Scroll Belt (RIV06)RiverinaRare
  (IUCN: RA d(ii))   [unusual; outlier]
Gawler Volcanics (GAW02)GawlerRare
  (IUCN: RA d(i,ii))
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 Lotus]
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA740 (1.3 g)30-401-Feb-2006HPV2993
South Eastern
7-Aug-200670%-18°C
BGA1000 (2.88 g)40+30-Dec-2005KHB028
Flinders Ranges
7-Aug-200695%-18°C
BGA1280 (3.2 g)202-Dec-2010Kanmantoo
Murray
1-Jan-201280%-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
Mar-15100%7 d7 d seed coat nicked with scalpel;
1% agar;
Incubated under spring/autumn conditions
Mar-15100%7 d7 d seed coat nicked with scalpel;
1% agar;
Incubated under winter conditions
Mar-1514%7 dNA
1% agar;
Incubated under spring/autumn conditions
Mar-1510%7 dNA
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)