Spyridium bifidum ssp. bifidum

Rhamnaceae

Forked Spyridium,

Marble Range Spyridium

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plant: Spyridium bifidum ssp bifidum habit

plant: Spyrdium bifidum ssp. wanillae plant Wanilla

plant: Spyridium bifidum ssp bifidum plant Wanilla1

plant: Spyridium bifidum ssp bifidum shrub

plant: Spyridium bifidum ssp bifidum habitat

plant: Spyridium bifidum ssp bifidum shrub1

flower: Spyridium bifidum ssp bifidum flowers Wanilla1

flower: Spyridium bifidum ssp bifidum flowers Wanilla5

seed: Spyridium bifidum ssp. bifidum DJD2375 Seed

seed: Spyridium bifidum ssp. bifidum DJD2375 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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Botanical art

Kath Alcock paintings: 3

Prior names

Spyridium bifidum var. bifidum, partly

Trymalium bifidum

Spyridium bifidum var. Marble Range (W.R.Barker 7601)

Common names

Forked Spyridium

Marble Range Spyridium

Etymology

Spyridium from the Greek word spyridion, meaning a small basket, referring to the flower heads which are circled by leafy bracts;

Distribution and status

Herbarium region: Eyre Peninsula
NRM region: Eyre Peninsula
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	2,000 (1.02 g) 2,000 (1 g)	50+	13-Dec-2012	DJD2375 Eyre Peninsula	27-Feb-2014	95%	-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
Jun-13	85%	14	21	hot water (95Â°C) 30 s; 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)