Seeds of South Australia
Cullen cinereum (Leguminosae)
Hoary Scurf-pea
List of species for Cullen
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Seed collecting:
January to December
Herbarium regions:
North Western, Lake Eyre, Nullarbor, Gairdner-Torrens, Flinders Ranges, Eastern, Murray
NRM regions:
Alinytjara Wilurara, South Australian Arid Lands, South Australian Murray-Darling Basin
IBRA regions
SUMMARY
Olary Spur (FLB03)Flinders Lofty Block
 Rare   (IUCN: RA d(i))   [southern edge of its range]
Northern Flinders (FLB05) 
 Least Concern   [ephemeral, opportunistic, flood spp.]
Central Flinders (FLB06) 
 Data Deficient   [questionable ID]
Murray Scroll Belt (RIV06)Riverina
 Rare   (IUCN: RA b)   (Probable Decline)   [annual; arid spp; comes in on flood events]
Arcoona Plateau (GAW04)Gawler
 Least Concern   [needs rain]
Roxby (GAW07) 
 Least Concern   [ephemeral, opportunistic, flood spp.]
Tallaringa (GVD05)Great Victoria Desert
 Least Concern   [ephemeral, opportunistic, flood spp.]
Nullarbor Plain (NUL02)Nullarbor
 Least Concern   [needs rain]
Barrier Range Outwash (BHC04)Broken Hill Complex
 Rare   (IUCN: RA d(i))
Curnamona (BHC06) 
 Rare   (IUCN: RA d(i))
Simpson Desert (SSD02)Simpson Strzelecki Dunefields
 Near Threatened   [ephemeral, opportunistic, flood spp.]
Dieri (SSD03) 
 Near Threatened   [ephemeral, opportunistic, flood spp.]
Strzelecki Desert (SSD05) 
 Least Concern   [ephemeral, opportunistic, flood spp.]
Breakaways (STP01)Stony Plains
 Least Concern   [ephemeral, opportunistic, flood spp.]
Oodnadatta (STP02) 
 Least Concern   [ephemeral, opportunistic, flood spp.]
Murnpeowie (STP03) 
 Least Concern   [ephemeral, opportunistic, flood spp.]
Macumba (STP05) 
 Least Concern   [ephemeral, opportunistic, flood spp.]
Witjira (STP06) 
 Least Concern   [ephemeral, opportunistic, flood spp.]
Baltana (STP07) 
 Least Concern   [ephemeral, opportunistic, flood spp.]
Sturt Stony Desert (CHC02)Channel Country
 Least Concern   [ephemeral, opportunistic, flood spp.]
Diamantina-Eyre (CHC04) 
 Least Concern   [ephemeral, opportunistic, flood spp.]
Coongie (CHC06) 
 Least Concern   [ephemeral, opportunistic, flood spp.]
Lake Pure (CHC07) 
 Least Concern   [ephemeral, opportunistic, flood spp.]
IBRA regions
DISPLAY ALL
3 of 6 subregionsFlinders Lofty BlockLeast Concern
, Rare
, Data Deficient
Murray Scroll Belt (RIV06)RiverinaRare
  (IUCN: RA b)   (Probable Decline)   [annual; arid spp; comes in on flood events]
2 of 8 subregionsGawlerLeast Concern
Tallaringa (GVD05)Great Victoria DesertLeast Concern
  [ephemeral, opportunistic, flood spp.]
Nullarbor Plain (NUL02)NullarborLeast Concern
  [needs rain]
2 of 4 subregionsBroken Hill ComplexRare
3 of 4 subregionsSimpson Strzelecki DunefieldsLeast Concern
, Near Threatened
6 of 7 subregionsStony PlainsLeast Concern
4 of 4 subregionsChannel CountryLeast Concern
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 Cullen]
Name derivation:
Cullen named after William Cullen (1710-1790), a Scottish physician and chemist who lectured at the University of Glasgow on among other things botany. Cinereum from Latin meaning ashy-grey; alluding to the grey appearance of the plant due hairs on the stems and leaves.
Distribution:
Found mainly in the north-east corner of South Australia with a small distribution on the Nullabor, growing in moist depressions and on floodplains. Also found in all mainland states.
Status:
Native. Common in South Australia. Rare in Victoria. Common in the other states.
Plant description:
Erect or ascending annual or perennial herb to 1 m tall with glabrous or grey-pubescent stems. Leaves pinnately trifoliolate, to 10 cm long. Leaflets ovate or elliptic, to 5 cm long and 30 mm wide, both surfaces usually minutely hoary and dotted with glands, apices obtuse, mucronate, margins irregularly toothed. Flower-spike to 15 cm long, with blue or pink-purple flowers mostly in 3s along spike. Flowers probably all year round, depending on rainfall.
Fruit type:
Brown reniform pod with distinct brown-yellow glands, with one seed.
Seed type:
Dark brown bean-shaped seed to 6 mm long and 4 mm wide, with a warty surface and covered in yellowish hairs.
Embryo type:
Bent.
Seed collecting:
Collect maturing pods, those that are fat, turning black and contain a brown seed inside, by running your hands along the fruit-spikes.
Seed cleaning:
Place the pods in a tray and leave to dry for 1 to 2 weeks or until the pods begin to split. Then rub the dried pods to dislodge the seeds. Use a sieve to separate any 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 two collections, the seed viability were high, ranging from 90% to 100%.
Seed germination:
This species has physical dormancy that needs to be overcome for the seed to germinate (e.g. nicking or softening the seed coat).
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA 
MSB
5600 (15.22 g)
5800 (15.67 g)
23-Oct-2004MOL 4568
Gairdner-Torrens
31-Mar-2006100%-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.