Seeds of South Australia
Teucrium albicaule (Labiatae)
Scurfy Germander
List of species for Teucrium
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Seed collecting:
March, October
Herbarium regions:
Lake Eyre, Eastern, Murray
NRM regions:
South Australian Arid Lands, South Australian Murray-Darling Basin
IBRA regions
Broughton (FLB02)Flinders Lofty Block
 Critically Endangered   (IUCN: CR B2ab(i,ii,iii); D)   (Definite Decline)
Olary Spur (FLB03) 
 Critically Endangered   (IUCN: CR B2ab(i,ii,iii); D)   (Definite Decline)
South Olary Plain (MDD01)Murray Darling Depression
 Vulnerable   (IUCN: VU B2ab(i,ii,iii))   (Probable Decline)   [goats/sheep/drying - threats; grows on flooded depressions]
Murray Mallee (MDD02) 
 Vulnerable   (IUCN: VU B2ab(i,ii,iii))   (Probable Decline)   [goats/sheep/drying - threats]
Dieri (SSD03)Simpson Strzelecki Dunefields
 Near Threatened   [needs regular water; rocky gorges; shade]
Strzelecki Desert (SSD05) 
 Near Threatened   [needs regular water; rocky gorges; shade]
Murnpeowie (STP03)Stony Plains
 Rare   (IUCN: RA d(i,ii))   [edge of range]
Sturt Stony Desert (CHC02)Channel Country
 Least Concern   [needs regular water; rocky gorges; shade]
Coongie (CHC06) 
 Least Concern   [needs regular water; rocky gorges; shade]
Lake Pure (CHC07) 
 Least Concern   [needs regular water; rocky gorges; shade]
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 Teucrium]
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA250 (0.41 g)18-Oct-2010DJD1985
Lake Eyre
1-Jan-201290%
BGA3000 (4.3 g)100+3-Mar-2011DJD2140
Murray
1-Jan-201295%-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
Jul-1170%14 d21 d
1% agar with 250 mg/L gibberellic acid (pH 6.5);
Incubated under spring/autumn conditions
Jul-1154%21 d21 d
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)