Seeds of South Australia
Acacia cambagei (Leguminosae)
Stinking Wattle
List of species for Acacia
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Seed collecting:
October to December
Herbarium region:
Lake Eyre
NRM region:
South Australian Arid Lands
IBRA regions
Simpson Desert (SSD02)Simpson Strzelecki Dunefields
 Rare   (IUCN: RA d(i,ii))
Warriner (SSD04) 
 Near Threatened   [southern edge of range]
Breakaways (STP01)Stony Plains
 Least Concern
Oodnadatta (STP02) 
 Least Concern
Peake-Dennison Inlier (STP04) 
 Least Concern
Macumba (STP05) 
 Least Concern
Witjira (STP06) 
 Least Concern
Baltana (STP07) 
 Least Concern
Sturt Stony Desert (CHC02)Channel Country
 Least Concern
Coongie (CHC06) 
 Least Concern
Lake Pure (CHC07) 
 Near Threatened
Pedirka (FIN04)Finke
 Near Threatened
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 Acacia]
Name derivation:
Acacia from the Greek 'akakia' and derived from 'ake' or 'akis' meaning a sharp point or thorn and 'akazo' meaning to sharpen. Dioscorides, the Greek physician and botanist used the word in the 1st century AD for the Egyptian thorn tree, Acacia arabica. Cambagei named in honour of Richard Hind Cambage (1859-1928), Chief Mining Surveyor and a botanist in New South Wales.
Distribution:
Found in low open woodland in the Lake Eyre region as scattered trees, or in small dense stands along the edges of watercourses, drainage channels and along the edges of open rocky plains. Also found in Northern Territory, Queensland and New South Wales.
Status:
Native. Common in South Australia. Common in the other states.
Plant description:
Small or medium sized, spreading trees to 8 m high, often with a few main stems at ground level, or with a single trunk and a bushy canopy. Bark is pale grey to dark grey, rough, flaky and fissured. Leaves linear-lanceolate to 14 cm long and 15 mm wide, straight or falcate with a small curved tip. Dull green to pale grey and often scurfy, flaking off with age.  Inflorescences axillary racemes, much shorter than leaves, have globular pale yellow flower-heads. Flowering between May and september.
Fruit type:
Flat, narrowly oblong, straight or curved pod to 12 cm long and 12 mm wide with transverse veins. Margins thickened, slightly constricted between seeds.
Seed type:
Dark brown to black, ovoid seed to 10 mm long and 7 mm wide.
Embryo type:
Investing.
Seed collecting:
Collect mature pods that are turning brown with hard, dark seeds inside.
Seed cleaning:
Place the pods in a tray and leave to dry for 1-2 weeks or until the pods begin to split. Then rub the dried pods to dislodge the seeds. Use a sieve to separate any 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 one collection, the seed viability was high, at 80%.
Seed germination:
This species has physical dormancy that needs to be overcome for the seed to germinate (e.g. nicking or softening the seed coat).
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA3500 (228.16 g)15+14-Dec-2010TST1115
Lake Eyre
1-Jan-201280%-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.