Seeds of South Australia
Acrotriche cordata (Epacridaceae)
Coast Ground-berry
List of species for Acrotriche
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Seed collecting:
October to December
Herbarium regions:
Eyre Peninsula, Murray, Yorke Peninsula, Southern Lofty, Kangaroo Island, South Eastern
NRM regions:
Eyre Peninsula, Kangaroo Island, Northern and Yorke, South Australian Murray-Darling Basin, South East
IBRA regions
SUMMARY
Bridgewater (NCP01)Naracoorte Coastal Plain
 Least Concern
Glenelg Plain (NCP02) 
 Rare   (IUCN: RA d(i,ii))   [on Glenelg River, edge of range]
Lucindale (NCP03) 
 Least Concern
Tintinara (NCP04) 
 Least Concern
Kangaroo Island (KAN01)Kanmantoo
 Least Concern   [rocky areas]
Fleurieu (KAN02) 
 Rare   (IUCN: RA d(ii))   [on headland]
Southern Yorke (EYB01)Eyre Yorke Block
 Least Concern   (Probable Decline)   [likes limestone ]
St Vincent (EYB02) 
 Rare   (IUCN: RA d(ii))   (Definite Decline)
Eyre Hills (EYB03) 
 Least Concern   [rocky areas]
Talia (EYB04) 
 Least Concern   [rocky areas]
Eyre Mallee (EYB05) 
 Least Concern   [rocky areas]
Murray Mallee (MDD02)Murray Darling Depression
 Rare   (IUCN: RA d(i,ii))   [likes limestone outcrops]
Murray Lakes and Coorong (MDD03) 
 Least Concern
Lowan Mallee (MDD04) 
 Rare   (IUCN: RA d(ii))   [likes limestone outcrops]
IBRA regions
DISPLAY ALL
4 of 4 subregionsNaracoorte Coastal PlainLeast Concern
, Rare
2 of 2 subregionsKanmantooLeast Concern
, Rare
5 of 5 subregionsEyre Yorke BlockLeast Concern
, Rare
3 of 6 subregionsMurray Darling DepressionLeast Concern
, Rare
RSCA map:
Regional Species Conservation Assessments per IBRA subregion. Please click the thumbnail map.
AVH map:
Australian distribution map (external link)
SA Census:
Census of South Australian plants (external link)     [genus Acrotriche]
Name derivation:
Acrotriche from the Greek 'akron' meaning summit and 'thrix' meaning hair; alluding to the tuft of hairs at the tip of the corolla lobes. Cordata from the Latin 'cordatus' meaning heart-shaped, referring to the shape of the leaves.
Distribution:
Found in the southern part of South Australia, from the Eyre Peninsula to the South-east growing in coastal shrublands, mallee scrub and heath on sandy soils and limestone. Also found in Western Australia, Victoria and Tasmania.
Status:
Native. Common in South Australia. Rare in Victoria and Tasmania. Common in Western Australia.
Plant description:
Erect shrub to 100 cm high and 120 cm across. Young branches red-brown, with older stems grey or grey-brown. Leaves glabrous, thick, rigid, usually flat to 12 mm long and 5 mm wide with 3 parallel central veins. Flowers small, pale-green along a 5-8 mm long spikes. Flowering between July and September.
Fruit type:
Fleshy, green, smooth spherical to depressed-globular fruit.
Seed type:
Pale cream, woody, globular seed to 3 mm diameter.
Embryo type:
Linear underdeveloped.
Seed collecting:
Collect berries that are ripe with soft flesh and a hard seed inside.
Seed cleaning:
Place the berries in a bucket of water and rub the flesh off with your hands. Drain the water and wash again if required to remove all the flesh. Then spread the wet seeds on some paper towel and leave to dry. 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.
Seed viability:
From two collections, the seed viability was average to high, ranging from 65% to 90%.
Seed germination:
This species is generally difficult to germinate, it has morphophysiological dormancy and complex germination requirements.
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA 
MSB
1300 (11.6 g)
1300 (11.6 g)
20+20-Nov-2005DJD691
Murray
1-Aug-200765%-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.