Seeds of South Australia
Gunniopsis tenuifolia (Aizoaceae)
Narrow-leaf Pigface
List of species for Gunniopsis
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Seed collecting:
June, October to March
Herbarium regions:
Lake Eyre, Flinders Ranges
NRM region:
South Australian Arid Lands
IBRA regions
Northern Flinders (FLB05)Flinders Lofty Block
 Rare   (IUCN: RA d(i,ii))   [localised around Leigh Ck; specific habitat' breakaway country]
Torrens (GAW06)Gawler
 Rare   (IUCN: RA d(i,ii))   [specific habitat' breakaway country]
Breakaways (STP01)Stony Plains
 Near Threatened   [specific habitat' breakaway country]
Oodnadatta (STP02) 
 Rare   (IUCN: RA d(ii))   [specific habitat' breakaway country]
Murnpeowie (STP03) 
 Near Threatened   [specific habitat' breakaway country]
Baltana (STP07) 
 Rare   (IUCN: RA d(ii))   [specific habitat' breakaway country]
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 GunniaTenuifolia from the Latin 'tenuis' meaning slender and 'folium' meaning a leaf; referring to the species having slender leaves.
Endemic to South Australia and found from Leigh Creek north-west to the Arkaringa Hills, growing on stony slopes of low hills, clay flats and depressions subject to periodic flooding and  light brown clay flats under open mallee woodland.
Native. Uncommon in South Australia.
Plant description:
Perennial rounded glabrous shrub to 1 m high with reddish tinge branches. Leaves terete, minutely papillose, villous hairs at base, yellow-green, to 62 mm long and 2 mm. Flower small, pedicellate, distinctly aggregated into a small terminal flower spike, outside surface green to reddish, inside surface yellow-gree. Flowering between August and January.
Fruit type:
Brown capsule to 6.5 mm long, with 2 valves.
Seed type:
Small black reniform seed to 0.1.2 mm long, covered with small round tubercules.
Embryo type:
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 90%.
Seeds stored:
LocationNo. of seeds
(weight grams)
of plants
Collection number
Collection location
% ViabilityStorage
3000 (2.32 g)
3000 (2.32 g)
Lake Eyre
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.