Seeds of South Australia
Teucrium racemosum (Labiatae)
Grey germander
List of species for Teucrium
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Seed collecting:
September to April
Herbarium regions:
North Western, Lake Eyre, Gairdner-Torrens, Flinders Ranges, Eastern, Eyre Peninsula, Northern Lofty, Murray, Yorke Peninsula, Southern Lofty, South Eastern
NRM regions:
Adelaide and Mount Lofty Ranges, Alinytjara Wilurara, Eyre Peninsula, Northern and Yorke, South Australian Arid Lands, South Australian Murray-Darling Basin, South East
IBRA regions
SUMMARY
Lucindale (NCP03)Naracoorte Coastal Plain
 Rare   (IUCN: RA d(i,ii))   [edge of range]
Fleurieu (KAN02)Kanmantoo
 Rare   (IUCN: RA d(i,ii))   [outlier; sth edge of range; likes disturbance; undercollected]
Mount Lofty Ranges (FLB01)Flinders Lofty Block
 Rare   (IUCN: RA d(ii))   (Probable Decline)   [small pops, could be VU]
Broughton (FLB02) 
 Least Concern
Olary Spur (FLB03) 
 Least Concern
Southern Flinders (FLB04) 
 Least Concern
Northern Flinders (FLB05) 
 Least Concern
Central Flinders (FLB06) 
 Least Concern
Southern Yorke (EYB01)Eyre Yorke Block
 Rare   (IUCN: RA d(i,ii))   (Definite Decline)
St Vincent (EYB02) 
 Least Concern
Eyre Hills (EYB03) 
 Rare   (IUCN: RA d(ii))
Talia (EYB04) 
 Rare   (IUCN: RA d(i,ii))
Eyre Mallee (EYB05) 
 Rare   (IUCN: RA d(i,ii))   (Probable Decline)
South Olary Plain (MDD01)Murray Darling Depression
 Least Concern   [comes up after rain]
Murray Mallee (MDD02) 
 Least Concern   [comes up after rain]
Lowan Mallee (MDD04) 
 Near Threatened   [comes up after rain]
Wimmera (MDD05) 
 Least Concern   [persists on roadsides & grazed blocks]
Braemer (MDD07) 
 Least Concern
Murray Scroll Belt (RIV06)Riverina
 Least Concern   [comes up after rain]
Myall Plains (GAW01)Gawler
 Least Concern
Gawler Volcanics (GAW02) 
 Least Concern
Gawler Lakes (GAW03) 
 Least Concern
Arcoona Plateau (GAW04) 
 Least Concern
Kingoonya (GAW05) 
 Least Concern
Torrens (GAW06) 
 Least Concern
Roxby (GAW07) 
 Least Concern
Commonwealth Hill (GAW08) 
 Least Concern
Kintore (GVD04)Great Victoria Desert
 Least Concern
Tallaringa (GVD05) 
 Least Concern
Barrier Range (BHC01)Broken Hill Complex
 Least Concern
Barrier Range Outwash (BHC04) 
 Least Concern
Curnamona (BHC06) 
 Least Concern
Dieri (SSD03)Simpson Strzelecki Dunefields
 Least Concern
Warriner (SSD04) 
 Least Concern
Strzelecki Desert (SSD05) 
 Least Concern
Breakaways (STP01)Stony Plains
 Least Concern
Oodnadatta (STP02) 
 Least Concern
Murnpeowie (STP03) 
 Least Concern
Macumba (STP05) 
 Least Concern
Witjira (STP06) 
 Least Concern
Baltana (STP07) 
 Least Concern
Sturt Stony Desert (CHC02)Channel Country
 Least Concern
Diamantina-Eyre (CHC04) 
 Least Concern
Coongie (CHC06) 
 Least Concern
Lake Pure (CHC07) 
 Least Concern
Mann-Musgrave Block (CER01)Central Ranges
 Least Concern
Everard Block (CER03) 
 Least Concern
IBRA regions
DISPLAY ALL
Lucindale (NCP03)Naracoorte Coastal PlainRare
  (IUCN: RA d(i,ii))   [edge of range]
Fleurieu (KAN02)KanmantooRare
  (IUCN: RA d(i,ii))   [outlier; sth edge of range; likes disturbance; undercollected]
6 of 6 subregionsFlinders Lofty BlockLeast Concern
, Rare
5 of 5 subregionsEyre Yorke BlockLeast Concern
, Rare
5 of 6 subregionsMurray Darling DepressionLeast Concern
, Near Threatened
Murray Scroll Belt (RIV06)RiverinaLeast Concern
  [comes up after rain]
8 of 8 subregionsGawlerLeast Concern
2 of 4 subregionsGreat Victoria DesertLeast Concern
3 of 4 subregionsBroken Hill ComplexLeast Concern
3 of 4 subregionsSimpson Strzelecki DunefieldsLeast Concern
6 of 7 subregionsStony PlainsLeast Concern
4 of 4 subregionsChannel CountryLeast Concern
2 of 3 subregionsCentral RangesLeast 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 Teucrium]
Name derivation:
Teucrium from the Greek teucrion, name used by Dioscorides possibly after Teucer, a Trojan king who used the plant as a medicine. Racemosum refers to the flowers in racemes (undivided axis or peduncle bearing flowers).
Distribution:
Found across South Australia except for Kangaroo Island and the Far West. Also occurs in Western Australia, Northern Territory, Queensland, New South Wales and Victoria.
Status:
Common in South Australia. Common in the other states.
Plant description:
Perennial shrub to 50cm tall with quadrangular stems covered in white hairs. Leaves are lance-shaped with wavy margins. Flowers are large and white with five petals, one larger at the bottom. Flowers most of the year.
Fruit type:
Capsules with up to four segments, each containing a seed.
Seed type:
Small pale brown convex seeds less than 2mm long, covered in hairs and with a plug at one end.
Embryo type:
Spatulate fully developed.
Seed collecting:
Collect capsules that are large, hard  and turning brown. These will contain developed seeds. Collect more than required as some of the seeds will be empty and not viable.
Seed cleaning:
Place the capsules in a tray and leave to dry for a week. Then rub the capsules gently with a rubber bung to dislodge the seeds from the capsules. Use a sieve to separate the unwanted material. Some seeds will be empty.  Use an aspirator to siphon off the lighter, non-viable seeds from the heavier good seeds. Store the seeds with a desiccant such as dried silica beads or dry rice, in an air tight container in a cool and dry place.
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA260 (0.69 g)1011-Aug-2010DJD1829
Lake Eyre
1-Jan-2012NCT
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
Apr-1085%7 d14 d
1% agar with 250 mg/L gibberellic acid (pH 6.5);
Incubated under spring/autumn conditions
Apr-1054%14 d28 d 20% hydrogen peroxide 10 min, water rinse;
1% agar;
Incubated under spring/autumn conditions
Apr-1018%35 dNA
1% agar with 250 mg/L gibberellic acid (pH 6.5);
Incubated under spring/autumn conditions
Apr-109%28 dNA dry heat 80°C oven 10 min, 20% hydrogen peroxide 10 min;
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)