Stemodia viscosa

flower: Stemodia viscosa flower Victory Well

flower: Stemodia viscosa flower Victory Well 1

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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Botanical art

Kath Alcock painting: 1.

Distribution and status

Herbarium region: North Western
NRM region: Alinytjara Wilurara
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	2,700 (0.22 g) 2,700 (0.22 g)	12+	30-Oct-2013	DJD2689 North Western	24-Mar-2015	90%	-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
Sep-14	78%	7	7	500 mg/L gibberellic acid 48 h; 1% agar; Incubated under spring/autumn conditions
Sep-14	72%	14	14	1% agar; Incubated under winter conditions
Sep-14	70%	7	7	500 mg/L gibberellic acid 48 h; 1% agar; Incubated under winter conditions
Sep-14	34%	14	N/A	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)

Breakaways (STP01)	Stony Plains	Rare (IUCN: RA d(i,ii)) [likes granites]
Mann-Musgrave Block (CER01)	Central Ranges	Near Threatened [likes granites; buffel a threat]
Watarru (CER02)		Rare (IUCN: RA d(ii)) [likes granites; buffel a threat]
Everard Block (CER03)		Rare (IUCN: RA d(ii)) [likes granites; buffel a threat]