Seeds of South Australia
Carpobrotus rossii (Aizoaceae)
Karkalla (Angular Pig-face)
List of species for Carpobrotus
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Seed collecting:
November to January
Herbarium regions:
Nullarbor, Flinders Ranges, Eyre Peninsula, Northern Lofty, Yorke Peninsula, Southern Lofty, Kangaroo Island, South Eastern
NRM regions:
Adelaide and Mount Lofty Ranges, Alinytjara Wilurara, Eyre Peninsula, Kangaroo Island, Northern and Yorke, South Australian Arid Lands, South East
IBRA regions
SUMMARY
Bridgewater (NCP01)Naracoorte Coastal Plain
 Least Concern   [healthy & common; threats: Tetragona implexicoma, African carpobrotis]
Glenelg Plain (NCP02) 
 Least Concern
Lucindale (NCP03) 
 Least Concern
Tintinara (NCP04) 
 Near Threatened
Kangaroo Island (KAN01)Kanmantoo
 Least Concern
Fleurieu (KAN02) 
 Least Concern
Mount Lofty Ranges (FLB01)Flinders Lofty Block
 Least Concern   [should be more records]
Broughton (FLB02) 
 Least Concern
Southern Yorke (EYB01)Eyre Yorke Block
 Least Concern   [Habitat threatened by coastal development]
St Vincent (EYB02) 
 Least Concern   (Probable Decline)   [Habitat threatened by coastal development]
Eyre Hills (EYB03) 
 Least Concern
Talia (EYB04) 
 Least Concern
Eyre Mallee (EYB05) 
 Least Concern
Murray Mallee (MDD02)Murray Darling Depression
 Rare   (IUCN: RA d(i))
Murray Lakes and Coorong (MDD03) 
 Least Concern   [healthy & common; threats: Tetragona implexicoma, African carpobrotis]
Lowan Mallee (MDD04) 
 Rare   (IUCN: RA d(i,ii))
Myall Plains (GAW01)Gawler
 Near Threatened   [limited habitat ]
Gawler Lakes (GAW03) 
 Near Threatened   [limited habitat ]
Yellabinna (GVD06)Great Victoria Desert
 Near Threatened
Nullarbor Plain (NUL02)Nullarbor
 Near Threatened
Yalata (NUL03) 
 Least Concern
Hampton (HAM01)Hampton
 Near Threatened
IBRA regions
DISPLAY ALL
4 of 4 subregionsNaracoorte Coastal PlainLeast Concern
, Near Threatened
2 of 2 subregionsKanmantooLeast Concern
2 of 6 subregionsFlinders Lofty BlockLeast Concern
5 of 5 subregionsEyre Yorke BlockLeast Concern
3 of 6 subregionsMurray Darling DepressionLeast Concern
, Rare
2 of 8 subregionsGawlerNear Threatened
Yellabinna (GVD06)Great Victoria DesertNear Threatened
2 of 3 subregionsNullarborLeast Concern
, Near Threatened
Hampton (HAM01)HamptonNear 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 Carpobrotus]
Name derivation:
Carpobrotus from the Greek 'karpos' meaning fruit and 'brotos' meaning edible; referring to the succulent fruits which was eaten traditionally by Aboringinal people. Rossii named after William J. Clunies-Ross (1850-1914), a college lecturer, scientist and botanical collector, who first collected the plant.
Distribution:
Found across the southern part of South Australia from the west coast to the lower South-east, growing mainly on coastal dunes. Also found in Western Australia, Victoria and Tasmania.
Status:
Native. Common in South Australia. Common in the other states.
Plant description:
Prostrate, succulent perennial plant with stems to 1 m long or more and 11 mm diameter. Leaves to 10 cm long and 11 mm thick, usually distinctly incurved, green to glaucous, usually thicker than wide near the middle, faces usually slightly convex. Flowers large, daisy-liked, light purple merging to white at and near base. Flowering between August and October.
Fruit type:
Fleshy, fat red globose fruit to 25 mm long, slightly compressed.
Seed type:
Semi-flat reniform brown seed to 1.5 mm long and 0.8 mm wide.
Embryo type:
Peripheral.
Seed collecting:
Collect mature fruits, those that are fat and turning red with brown seeds inside.
Seed cleaning:
Break open the fruits and wash the content in water. Drain the liquid leaving behind the seeds. Place the wet seeds onto paper towels and leave to dry. 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 100%.
Seed germination:
Seeds are non-dormant, viable seed should germinate readily without any treatment.
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA 
MSB
29700 (6.825 g)
32150 (7.2 g)
433-Nov-2005DJD 104
South Eastern
28-Mar-2006100%-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.