Dissocarpus latifolius

Amaranthaceae

Spiny-fruit Burr

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plant: Dissocarpus latifolius Innamincka plant

plant: Dissocarpus latifolius Innamincka foliage

fruit: Dissocarpus latifolius Innamincka fruit

fruit: Dissocarpus latifolius Innamincka fruits

fruit: Dissocarpus latifolius JRG489 fruit

fruit: Dissocarpus latifolius JRG489 fruits

seed: Dissocarpus latifolius JRG489 seed

seed: Dissocarpus latifolius JRG489 seeds

Regional Species Conservation Assessments per IBRA subregion.

Least concern

Near threatened

Rare

Vulnerable

Endangered

Critically endangered

Extinct

Data deficient

Adelaide

Arkaroola

Ceduna

Coober Pedy

Hawker

Innamincka

Marla

Marree

Mount Gambier

Oodnadatta

Renmark

Wudinna

Keith

Yunta

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Prior names

Bassia paradoxa var. latifolia

Dissocarpus paradoxus var. latifolius

Common names

Spiny-fruit Burr

Distribution and status

Herbarium region: Lake Eyre
AVH map: SA distribution map (external link)

Seeds stored:

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Location	No. of seeds (weight grams)	Number of plants	Date collected	Collection number Collection location	Date stored	% Viability	Storage temperature
BGA MSB	600 (400 g) 1,300 (1000 g)	50+	18-Oct-2016	JRG489 Lake Eyre	1-Nov-2017	100%	-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.

Germination table:

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Date	Result	T0	T50	Pre-treatment \| Germination medium \| Incubator: Photoperiod / Thermoperiod
May-17	40%	21	NA	seeds excised from fruit; 1% agar; Incubated under winter conditions
May-17	0%	NA	NA	1% agar; Incubated under winter conditions

Result: Maximum percentage of germination observed.
T0: Number of days before first germinant observed.
T50: Number of days to achieve 50% germination.
Pre-treatment: The initial treatment that the seeds received prior to placement on germination media.
Germination medium: The substrate that seeds were placed on for the duration of the germination experiment.
Incubator conditions:
Photoperiod: The duration of light exposure that the seeds were subject to during a 24 hour period.
Thermoperiod: The constant or diurnal temperatures that seeds were subject to during a 24 hour period.
Winter conditions: 15°C 20 h (3am→11pm); 5°C 4 h (11pm→3am) / 10 h light (8am→6pm); 14 h dark (6pm→8am)
Spring/Autumn conditions: 22°C 12 h (8am→8pm); 10°C 12 h (8pm→8am) / 12 h light (8am→8pm); 12 h dark (8pm→8am)
Summer conditions: 30°C 14 h (6am→8pm); 15°C 10 h (8pm→6am) / 14 h light (6am→8pm); 10 h dark (8pm→6am)

Strzelecki Desert (SSD05)	Simpson Strzelecki Dunefields	Least Concern
Breakaways (STP01)	Stony Plains	Near Threatened
Sturt Stony Desert (CHC02)	Channel Country	Near Threatened
Coongie (CHC06)		Least Concern