Seeds of South Australia
Brachyscome eriogona (Compositae)
Gibber Daisy
List of species for Brachyscome
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Seed collecting:
September to November
Herbarium regions:
Lake Eyre, Gairdner-Torrens, Eastern
NRM region:
South Australian Arid Lands
IBRA regions
Northern Flinders (FLB05)Flinders Lofty Block
 Rare   (IUCN: RA d(i,ii))   [not all records databased; endemic to SA]
Breakaways (STP01)Stony Plains
 Least Concern   [not all records databased; endemic to SA]
Oodnadatta (STP02) 
 Least Concern   [not all records databased; endemic to SA]
Murnpeowie (STP03) 
 Least Concern   [not all records databased; endemic to SA]
Witjira (STP06) 
 Least Concern   [not all records databased; endemic to SA]
Baltana (STP07) 
 Least Concern   [not all records databased; endemic to SA]
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 Brachyscome]
Name derivation:
Brachyscome from the Greek 'brachys' meaning short and 'kome' meaning hair; referring to the short bristles or hairs of the pappus. Eriogona from the Greek 'erion' meaning wool and 'gonia' meaning angle; referring to the appearance of the seed having woolly border.
Distribution:
Found in north-eastern part in South Australia, growing in sand on gibber plains and along watercourses. Also found in Queensland and New South Wales. 
Status:
Native. Uncommon in South Australia. Rare in Queensland and New South Wales.
Plant description:
Annual herb to 25 cm high with erect, hairless stems. Leaves basal and near-basal, not forming a rosette, pinnatisect with 3-7 linear obtuse segments, or the lower ones entire and linear to 6 cm long, glabrous. Flowers white on a long stalk. Flowering between July and September.
Fruit type:
Hard dense daisy head.
Seed type:
Black wedge-shaped curved seed to 2.5 mm long and 1 wide, with smooth faces and woolly hairs along the margin.
Embryo type:
Spatulate fully developed.
Seed collecting:
Pick heads that are maturing, drying off, with brown seeds.
Seed cleaning:
Place the seed-heads in a tray and leave to dry for a week. Then gently rub the heads with a rubber bung to dislodge the seeds. Use a sieve to separate the unwanted material. 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 two collections, the seed viability were high, ranging from 95% to 100%.
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA19000 (6.98 g)100+5-Oct-2010MJT284
Lake Eyre
1-Jan-2012100%+5°C, -18°C
BGA9900 (3.79 g)100+3-Nov-2010MJT334
Lake Eyre
1-Jan-201295%-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.