Seeds of South Australia
Gunniopsis septifraga (Aizoaceae)
Green Pigface
List of species for Gunniopsis
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Seed collecting:
September to December
Herbarium regions:
North Western, Lake Eyre, Nullarbor, Gairdner-Torrens, Eyre Peninsula
NRM regions:
Alinytjara Wilurara, South Australian Arid Lands
IBRA regions
Northern Flinders (FLB05)Flinders Lofty Block
 Near Threatened
Gawler Volcanics (GAW02)Gawler
 Rare   (IUCN: RA d(ii))   (Probable Decline)
Gawler Lakes (GAW03) 
 Rare   (IUCN: RA d(ii))   (Probable Decline)
Arcoona Plateau (GAW04) 
 Rare   (IUCN: RA d(ii))   (Probable Decline)
Torrens (GAW06) 
 Near Threatened
Roxby (GAW07) 
 Near Threatened
Maralinga (GVD03)Great Victoria Desert
 Rare   (IUCN: RA d(ii))   (Probable Decline)
Tallaringa (GVD05) 
 Rare   (IUCN: RA d(ii))   [edge of range]
Nullarbor Plain (NUL02)Nullarbor
 Rare   (IUCN: RA d(ii))   (Probable Decline)
Oodnadatta (STP02)Stony Plains
 Near Threatened
Murnpeowie (STP03) 
 Near Threatened
Baltana (STP07) 
 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 Gunniopsis]
Name derivation:
Gunniopsis from the genus Gunnia named after Ronald Campbell Gunn (1808-1881), a Tasmania botanist and from the Greek 'opsis' meaning resembling; alluding to the resembles of the genus to the genus Gunnia. Septifraga means to break; referring to the how the capsule break open, where the valves break away but remain attached to the common axis.
Distribution:
Found scattered across the northern part of South Australia, growing in extremely saline areas, along the edges of, or on the damp bottoms of, salt lakes, salt pans or depressions. Also found In Western Australia, Northern Territory and New South Wales.
Status:
Native. Common in South Australia. Common in the other states.
Plant description:
Glabrous or sparsely pubescent annual herb, prostrate or erect to 10 cm high. Leaves broadly linear to narrowly obovate, fleshy, to 12 mm long and 5 mm wide. Flowers solitary, greenish, yellowish or white. Flowering between July and October.
Fruit type:
Brown ovoid to subglobose capsule to 4.5 mm long, 4 valves but appearing like 8 valves, tapering to a beak-like apex.
Seed type:
Small light brown ovoid seed to 0.5 mm long, covered with round tubercules.
Embryo type:
Peripheral.
Seed collecting:
Pick mature capsules when they turn a straw colour and contain hard dark seeds.
Seed cleaning:
Place the capsules in a tray and leave to dry for at least a week. Then rub the dried capsules 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 one collection, the seed viability was high, at 100%.
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA46000 (2.49 g)50+8-Oct-2010TST1063
Lake Eyre
1-Jan-2012100%-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.