Seeds of South Australia
Gompholobium ecostatum (Leguminosae)
Dwarf Wedge-pea
List of species for Gompholobium
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Herbarium regions:
Eyre Peninsula, Murray, Southern Lofty, Kangaroo Island, South Eastern
NRM regions:
Adelaide and Mount Lofty Ranges, Eyre Peninsula, Kangaroo Island, South Australian Murray-Darling Basin, South East
IBRA regions
Mount Gambier (SVP02)Southern Volcanic Plain
 Rare   (IUCN: RA d(ii))   [undercollected ]
Bridgewater (NCP01)Naracoorte Coastal Plain
 Rare   (IUCN: RA d(ii))
Glenelg Plain (NCP02) 
 Least Concern   [common in Nangwarry NF]
Lucindale (NCP03) 
 Least Concern
Tintinara (NCP04) 
 Least Concern
Kangaroo Island (KAN01)Kanmantoo
 Least Concern
Fleurieu (KAN02) 
 Near Threatened
Mount Lofty Ranges (FLB01)Flinders Lofty Block
 Near Threatened   [well-collected]
Eyre Hills (EYB03)Eyre Yorke Block
 Rare   (IUCN: RA d(i,ii))
Eyre Mallee (EYB05) 
 Vulnerable   (IUCN: VU D2)   [only in Hincks WA]
Lowan Mallee (MDD04)Murray Darling Depression
 Least Concern   [needs higher rainfall]
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 Gompholobium]
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA191620?8-Jan-2004PJA81
Kangaroo Island
1-Sep-2004+5°C, -18°C
BGA 
MSB
2355 (4.005 g)
2355 (4.005 g)
100+12-Dec-2006TST133
Kangaroo Island
1-Aug-2007100%-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 201098%14d21d Stored at -18°C (5 years). Seed coat nicked with scalpel blade.
0.7% w/v agar plates
Incubated under spring/autumn conditions
June 200497%20d28d Seed sterilised with 20% Hydrogen Peroxide with 3 drops of Tween (10min). Rinsed in sterile water. Seed coat nicked with scalpel blade.
0.8% w/v agar plates
16/8 dark/light  /  20°C Constant
November 200684%39d60d Stored at -18°C (1year). Seed coat nicked with scalpel blade.
Wet filter paper placed over wettex sponge. Irrigated with RO water
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)