Seeds of South Australia
Argentipallium obtusifolium (Compositae)
Blunt Everlasting
List of species for Argentipallium
Display more images
Click on an image to enlarge it
Seed collecting:
October to January
Herbarium regions:
Eyre Peninsula, Northern Lofty, Murray, Yorke Peninsula, Southern Lofty, Kangaroo Island, South Eastern
NRM regions:
Adelaide and Mount Lofty Ranges, Eyre Peninsula, Kangaroo Island, Northern and Yorke, South Australian Murray-Darling Basin, South East
IBRA regions
SUMMARY
Mount Gambier (SVP02)Southern Volcanic Plain
 Regionally Extinct   [probably extinct]
Bridgewater (NCP01)Naracoorte Coastal Plain
 Rare   (IUCN: RA d(ii))
Glenelg Plain (NCP02) 
 Rare   (IUCN: RA d(ii))   [edge of range]
Lucindale (NCP03) 
 Least Concern
Tintinara (NCP04) 
 Least Concern
Kangaroo Island (KAN01)Kanmantoo
 Near Threatened
Fleurieu (KAN02) 
 Near Threatened   [locally common]
Mount Lofty Ranges (FLB01)Flinders Lofty Block
 Endangered   (IUCN: EN B2ab(i,ii,iii))   (Definite Decline)   [likes sand; fire responsive, habitat declined]
Southern Yorke (EYB01)Eyre Yorke Block
 Least Concern   [grazing a threat]
Eyre Hills (EYB03) 
 Least Concern
Talia (EYB04) 
 Rare   (IUCN: RA d(i,ii))
Eyre Mallee (EYB05) 
 Rare   (IUCN: RA d(i,ii))
Murray Mallee (MDD02)Murray Darling Depression
 Least Concern
Murray Lakes and Coorong (MDD03) 
 Vulnerable   (IUCN: VU B2ab(ii,iii))   [could be Endangered]
Lowan Mallee (MDD04) 
 Rare   (IUCN: RA d(ii))   (Probable Decline)
Wimmera (MDD05) 
 Data Deficient   [imprecise records]
Myall Plains (GAW01)Gawler
 Data Deficient   [no recent records]
IBRA regions
DISPLAY ALL
Mount Gambier (SVP02)Southern Volcanic PlainRegionally Extinct
  [probably extinct]
4 of 4 subregionsNaracoorte Coastal PlainLeast Concern
, Rare
2 of 2 subregionsKanmantooNear Threatened
Mount Lofty Ranges (FLB01)Flinders Lofty BlockEndangered
  (IUCN: EN B2ab(i,ii,iii))   (Definite Decline)   [likes sand; fire responsive, habitat declined]
4 of 5 subregionsEyre Yorke BlockLeast Concern
, Rare
4 of 6 subregionsMurray Darling DepressionLeast Concern
, Rare
, Vulnerable
, Data Deficient
Myall Plains (GAW01)GawlerData Deficient
  [no recent records]
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 Argentipallium]
Name derivation:
Argentipallium from the Latin 'argenteus' meaning silver and 'pallium' meaning mantle; a reference to the silvery indumentum that covers leaves and branches of some species. Obtusifolium from the Latin 'obtusus' meaning blunt and 'folium' meaning leaf; referring to the species blunt-pointed leaves.
Distribution:
Found in the southern part of South Australia from Eyre Peninsula to the lower South-east., growing in mallee heath on deep sandy soils. Also found in New South Wales, Victoria and Tasmania.
Status:
Native. Common in South Australia. Uncommon in New South Wales. Common in the other states.
Plant description:
Twiggy much-branched perennial herb to 30 cm high with silvery-white branches. Leaves narrow-oblanceolate to 25 mm long and 2 mm wide, upper surface glabrous, lower surface silvery-white woolly. Solitary white flower-heads at terminal on erect leafy stalk. Flowering between September and November.
Fruit type:
White papery daisy.
Seed type:
Dark brown oblong seed to 1 mm long covered with scattered crystal like hairs, with pappus to 3 mm long.
Embryo type:
Spatulate fully developed.
Seed collecting:
Collect mature daisy heads that are starting to dry off, should easily come off by hand.
Seed cleaning:
Place the heads in a tray for a week to dry. Then rub the heads gently with your hands to dislodge the seeds. Viable seeds will be round and hard. 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.
Seed viability:
From one collection, the seed viability was high, at 90%.
Seed germination:
Seeds are non-dormant, viable seed should germinate readily.
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA 
MSB
16450 (3.62 g)
16450 (3.62 g)
100+23-Oct-2006DJD616
South Eastern
1-Aug-200790%-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.