Seeds of South Australia
Eremophila pentaptera (Myoporaceae)
List of species for Eremophila
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Herbarium regions:
Lake Eyre, Gairdner-Torrens
NRM region:
South Australian Arid Lands
IBRA regions
Roxby (GAW07)Gawler
 Vulnerable   (IUCN: VU D2)   [only found in 1 location; could be declining]
Breakaways (STP01)Stony Plains
 Vulnerable   (IUCN: VU D2)   [very localised]
Oodnadatta (STP02) 
 Vulnerable   (IUCN: VU D2)   [very localised]
Witjira (STP06) 
 Vulnerable   (IUCN: VU D2)   [very localised]
Pedirka (FIN04)Finke
 Vulnerable   (IUCN: VU D2)   [very localised]
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 Eremophila]
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA63 (1.03 g)19-Jun-2006JW58
Gairdner-Torrens
9-Aug-2006banked-18°C
BGA 
MSB
1450 (43.5 g)
1450 (43.5 g)
100+2-Nov-2013DJD2740
Lake Eyre
24-Mar-2015100%-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
August 201492%7d14d Soak in 30% hydrogen peroxide solution for 10 minutes; soak in 500 mg/L gibberellic acid for 48 hours
Sand covered with moistened filter paper in 70 mm Petri dish
Incubated under spring/autumn conditions
August 201444%7dNA Fruit removed
Sand covered with moistened filter paper in 70 mm Petri dish
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)