Allittia cardiocarpa

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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Allittia commemorates William Allitt (1828 - 1893), who collected herbarium specimens, including the new lectotype specimen of Brachyscome cardiocarpa, in the south-west of Victoria while he was curator of the botanic gardens at Portland from the 1860s to the 1880s. Cardiocarpa from the Greek 'kardio' meaning heart and 'karpos' meaning fruit; referring to the shape of the achene.

Found only in the lower South-east in South Australia, growing in swampy areas, plants often being partly immersed in water and commonly associated with sedges and wetland. Also found in New South Wales, Victoria and Tasmania. Native. Rare in South Australia. Rare in New South Wales. Common in the other states.
Herbarium region: South Eastern
NRM region: South East
AVH map: SA distribution map (external link)

A perennial herb with round linear, basal leaves that dry off and re-shoot each year. Flowers are white, large and single, on a long stem up to 45 cm tall. Flowering between August and November. Fruits are large daisy-heads with numerous seeds, usually turning brown when maturing. Seeds are flat orange to brown elliptical seeds to 2.5 mm long, with serrated wings around the margins.. Seed embryo type is spathulate fully developed.

Collect seeds between October and December. Pick by hand mature heads that are turning brown and contain semi-hard, brown seed inside. Place the heads in a tray to dry for 1-2 weeks. Then rub the heads gently by hand to dislodge the seeds. Use a sieve to separate the unwanted material. 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. From two collections, the viability was high, ranging from 70% to 90%. Seeds are non-dormant, viable seed should germinate readily.

Location	No. of seeds (weight grams)	Number of plants	Date collected	Collection number Collection location	Date stored	% Viability	Storage temperature
BGA MSB	14,800 (5.75 g) 13,000 (5.05 g)	100+	25-Oct-2006	DJD632 South Eastern	1-Aug-2007	70%	+5°C, -18°C
BGA	1,400 (0.56 g)	30	16-Nov-2010	DJD2020 South Eastern	1-Jan-2012	90%	-18°C
BGA	560 (0.25 g)	50+	30-Oct-2009	TST843 South Eastern	2-May-2017	100%	-18°C
BGA	3,500 (2.15 g)	50+	14-Nov-2017	DJD3687 South Eastern	30-Jun-2018	75%	-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.

Date	Result	T0	T50	Pre-treatment \| Germination medium \| Incubator: Photoperiod / Thermoperiod
Aug-10	93%	15	28	1% agar with 250 mg/L gibberellic acid; Incubated under winter conditions
Aug-10	92%	15	28	1% agar with 100 mg/L potassium nitrate; Incubated under winter conditions
Aug-10	90%	15	21	1% agar; Incubated under winter conditions
Aug-10	89%	15	28	1% agar with 10% smoke water; Incubated under spring/autumn conditions
Feb-10	81%	7	21	1% agar; Incubated under winter conditions
Aug-10	54%	21	50	1% agar with 250 mg/L gibberellic acid; Incubated under spring/autumn conditions
Aug-10	50%	15	42	1% agar; Incubated under spring/autumn conditions
Aug-10	32%	15	NA	1% agar with 100 mg/L potassium nitrate; Incubated under spring/autumn conditions
Aug-10	28%	21	NA	1% agar with 10% smoke water; Incubated under spring/autumn conditions
Aug-10	18%	15	NA	1% agar; Incubated under summer conditions
Aug-10	14%	21	NA	1% agar with 250 mg/L gibberellic acid; Incubated under summer conditions
Aug-10	9%	35	NA	1% agar with 10% smoke water; Incubated under spring/autumn conditions
Aug-10	8%	35	NA	1% agar with 100 mg/L potassium nitrate; Incubated under summer 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)

Bridgewater (NCP01)	Naracoorte Coastal Plain	Vulnerable (IUCN: VU B2ab(ii,iii)) (Probable Decline)
Glenelg Plain (NCP02)		Rare (IUCN: RA d(ii)) [changes in water regime a potential threat]
Lucindale (NCP03)		Rare (IUCN: RA d(ii)) [changes in water regime a potential threat]
Lowan Mallee (MDD04)	Murray Darling Depression	Endangered (IUCN: EN B2ab(i,ii,iii,iv,v); C2a(i)) (Probable Decline) [highly localised, in Geegeela CP]
Wimmera (MDD05)		Endangered (IUCN: EN B2ab(ii,iii,iv); D) (Probable Decline)