Sclerolaena symoniana

Amaranthaceae

Symon's Bindyi

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plant: Sclerolaena symoniana DEM habit 2

plant: Sclerolaena symoniana DEM foliage

flower: Sclerolaena symoniana DEM flowers

fruit: Sclerolaena symoniana DEM fruits 3

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 symoniana

Common names

Symon's Bindyi

Distribution and status

Herbarium regions: North Western, Nullarbor, Gairdner-Torrens
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	5,300 (88.17 g) 5,300 (88.17 g)	50+	18-May-2014	DEM7662 North Western	24-Mar-2015	60%	-18°C
BGA	4,400 (91.44 g)	50+	20-Sep-2014	DJD3020 North Western	1-Jan-2016	90%	-18°C, -80°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
Sep-14	40%	13	NA	500 mg/L gibberellic acid 24 h; 1% agar; Incubated under spring/autumn conditions
Sep-14	0%	NA	NA	leached in water 3 d; 1% agar; Incubated under spring/autumn conditions
Sep-14	0%	NA	NA	1% agar; Incubated under spring/autumn 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)

Kingoonya (GAW05)	Gawler	Vulnerable (IUCN: VU D2) [likes salt lakes]
Maralinga (GVD03)	Great Victoria Desert	Rare (IUCN: RA d(ii)) [likes salt lakes]
Tallaringa (GVD05)		Rare (IUCN: RA d(ii))
Yellabinna (GVD06)		Vulnerable (IUCN: VU D2) [likes salt lakes]
Nullarbor Plain (NUL02)	Nullarbor	Vulnerable (IUCN: VU D2) [likes salt lakes]