Seeds of South Australia
Argentipallium obtusifolium (Compositae)
Blunt Everlasting
List of species for Argentipallium
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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
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
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.
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.
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)
of plants
Collection number
Collection location
% ViabilityStorage
16450 (3.62 g)
16450 (3.62 g)
South Eastern
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.