Seed collecting: | January to December | Herbarium regions: | Lake Eyre, Flinders Ranges, Eastern |
NRM region: | South Australian Arid Lands |
Northern Flinders (FLB05) | Flinders Lofty Block | Least Concern |
Murnpeowie (STP03) | Stony Plains | Least Concern [edge of range] |
Sturt Stony Desert (CHC02) | Channel Country | Least Concern | Coongie (CHC06) | Least Concern | Lake Pure (CHC07) | Least Concern |
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 Capparis] |
Name derivation:
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Capparis from the Greek 'kapparis' meaning originating in the near or Middle East. Mitchellii named in honour of Major Sir Thomas Mitchell (1792 - 1855), a scottish surveyor and explorer of south-eastern Australia. |
Distribution:
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Found in the north-eastern arid region of South Australia. Also found in the Western Australia, Northern Territory, Queensland and New South Wales. |
Status:
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Native. Rare in South Australia. Rare in Western Australia. Common in the other states. |
Plant description:
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Small dense bushy tree growing to 10 m tall with dull green, thick, hairy leaves and long spines on juvenile stems. Flowers large cream to pale yellow with numerous and obvious stamens. Flowering possibly all year round. |
Fruit type:
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A large round green fruit, turning brown when matured, with yellow flesh inside. |
Seed type:
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Large pale brown semi-flat seeds to 10 mm long and 7 mm wide. |
Embryo type:
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Peripheral. |
Seed collecting:
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Collect mature fruits usually when the flesh inside is bright yellow and the seeds are hard and brown. |
Seed cleaning:
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Soak the hard fruit in water and leave until soft. Then 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:
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From one collection, the seed viability is high, at 80%. |
Location | No. of seeds (weight grams) | Number of plants | Date collected | Collection number Collection location | Date stored | % Viability | Storage temperature |
---|---|---|---|---|---|---|---|
BGA MSB | 270 (39.4 g) 1100 (155.71 g) | 50+ | 11-Jan-2006 | DJD240 Flinders Ranges | 28-Jul-2006 | 80% | -18°C |
DJD240 | 1-Jan-2012 | -18°C |
Date | Result | T0 | T50 | Pre-treatment | Germination medium | Incubator: Photoperiod / Thermoperiod |
Mar-06 | 39% | 9 d | NA | filter paper over moist sponge; Incubated under spring/autumn conditions |
Mar-06 | 39% | 24 d | NA | filter paper over moist sponge; Incubated under spring/autumn conditions |
Mar-06 | 32% | 16 d | NA | filter paper over moist sponge; 12/12 / 20°C |
Mar-06 | 26% | 16 d | NA | filter paper over moist sponge; 12/12 / 20°C |