Seeds of South Australia
Grevillea aspera (Proteaceae)
Rough Grevillea
List of species for Grevillea
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Herbarium regions:
Flinders Ranges, Eyre Peninsula
NRM regions:
Eyre Peninsula, South Australian Arid Lands
IBRA regions
Northern Flinders (FLB05)Flinders Lofty Block
 Least Concern   [likes rocky outcrops]
Central Flinders (FLB06) 
 Least Concern   [likes rocky outcrops]
Eyre Hills (EYB03)Eyre Yorke Block
 Least Concern   [rocky areas]
Talia (EYB04) 
 Rare   (IUCN: RA d(ii))   (Probable Decline)   [rocky areas]
Eyre Mallee (EYB05) 
 Near Threatened   (Probable Decline)   [weeds, grazing - threats]
Myall Plains (GAW01)Gawler
 Rare   (IUCN: RA d(ii))   (Probable Decline)   [rocky areas]
Gawler Volcanics (GAW02) 
 Least Concern   (Probable Decline)   [rocky areas]
Yellabinna (GVD06)Great Victoria Desert
 Rare   (IUCN: RA d(i,ii))   (Probable Decline)
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 Grevillea]
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA730 (16.97 g)50+14-Nov-2012DJD2379
Eyre Peninsula
27-Feb-2014 (Xray 80%)-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
June 201328%35dNA None
1% water agar supplemented with 250 mg/L gibberellic acid
Incubated under spring/autumn conditions
June 201316%42dNA None
1% water 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)