Seeds of South Australia
Desmocladus diacolpicus (Restionaceae)
Bundled Cord-rush
List of species for Desmocladus
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Seed collecting:
November to December
Herbarium regions:
Eyre Peninsula, Kangaroo Island
NRM regions:
Eyre Peninsula, Kangaroo Island
IBRA regions
Kangaroo Island (KAN01)Kanmantoo
 Endangered   (IUCN: EN B2ab(i,ii,iii))   (Probable Decline)   [only found on roadsides]
Eyre Hills (EYB03)Eyre Yorke Block
 Vulnerable   (IUCN: VU D2)
Eyre Mallee (EYB05) 
 Vulnerable   (IUCN: VU D2)
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 Desmocladus]
Name derivation:
Desmocladus from the Greek 'desmos' meaning band or chain and 'klados; meaning branch. Diacolpicus from the Greek 'dia' meaning through or between and 'kolpos' meaning bay or gulf, referring to the species occurrence on both sides of the Great Australian Bight.
Found on  Eyre Peninsula and on Kangaroo Island in South Australi, growing on sand in low open heath and mallee vegetation. Also found in  Western Australia but is reported as probably extinct due to its occurrence in a region subjected to extensive clearing and salinisation.
Native. Very rare in South Australia. Presumed Extinct in Western Australia.
Plant description:
Erect clumping grass-like sedge to15 cm tall, with leaves and flowers occurring in whorls up the stem.
Fruit type:
Clusters of brown nuts in whorls.
Seed type:
Brown ovoid seed to 3.5 mm long and 1.5 mm wide.
Seed collecting:
Collect fruits that are brown or break-off short stems with numerous brown fruit.
Seed cleaning:
Place stems in a tray to dry for 1 to 2 weeks. Then rub the stem gently with a rubber bung 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.
Seed viability:
From one collection, the seed viability was average, at 80%.
Seeds stored:
LocationNo. of seeds
(weight grams)
of plants
Collection number
Collection location
% ViabilityStorage
140 (0.25 g)
1500 (3.85 g)
Kangaroo Island
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.