Seeds of South Australia
Stenopetalum nutans (Cruciferae)
Stinking Thread-petal
List of species for Stenopetalum
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Seed collecting:
September to November
Herbarium regions:
North Western, Lake Eyre, Eyre Peninsula
NRM regions:
Alinytjara Wilurara, Eyre Peninsula, South Australian Arid Lands
IBRA regions
SUMMARY
Maralinga (GVD03)Great Victoria Desert
 Rare   (IUCN: RA d(i,ii))   [ephemeral]
Kintore (GVD04) 
 Least Concern
Tallaringa (GVD05) 
 Least Concern
Yellabinna (GVD06) 
 Rare   (IUCN: RA d(i,ii))
Strzelecki Desert (SSD05)Simpson Strzelecki Dunefields
 Least Concern
Breakaways (STP01)Stony Plains
 Least Concern
Murnpeowie (STP03) 
 Data Deficient   [unlikely, wrong location]
Macumba (STP05) 
 Least Concern
Witjira (STP06) 
 Least Concern
Sturt Stony Desert (CHC02)Channel Country
 Least Concern
Coongie (CHC06) 
 Least Concern
Lake Pure (CHC07) 
 Least Concern
Mann-Musgrave Block (CER01)Central Ranges
 Least Concern
Everard Block (CER03) 
 Least Concern
Tieyon (FIN03)Finke
 Least Concern
IBRA regions
DISPLAY ALL
4 of 4 subregionsGreat Victoria DesertLeast Concern
, Rare
Strzelecki Desert (SSD05)Simpson Strzelecki DunefieldsLeast Concern
4 of 7 subregionsStony PlainsLeast Concern
, Data Deficient
3 of 4 subregionsChannel CountryLeast Concern
2 of 3 subregionsCentral RangesLeast Concern
Tieyon (FIN03)FinkeLeast 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 Stenopetalum]
Name derivation:
Stenopetalum from the Greek 'stenos' meaning narrow and 'petalon' meaning petals; referring to the narrow petals. Nutans from the Latin 'nuto' meaning nodding; alluding to the nutant fruit pods.
Distribution:
Found scattered in the northern part of South Australia, growing in sandy soils. Also found in Western Australia, Northern Territory, Queensland and New South wales.
Status:
Native. Common in South Australia. Common in the other states.
Plant description:
Annual or biennial herbs, decumbent to erect, to 50 cm tall, sparsely hairy. Leaves entire or remotely dentate to pinnatifid, to 9 cm long, reducing above. Inflorescence a terminal spike with yellow-green or brown flowers, petals with the apex long, slender and often twisted. Flowering between July and September.
Fruit type:
Brown obovoid pod to 13 mm long, sometimes slightly compressed, hanging downward.
Seed type:
Orange flat reinform seed to 1.5 mm long and 1.2 mm wide.
Embryo type:
Bent.
Seed collecting:
Collect maturing pods those turning pale brown with orange seeds inside. Be gentle with the pods as they split open easily.
Seed cleaning:
Place the pods in a tray and cover with paper to prevent seeds from popping out and leave to dry for a week. Then rub the dried pods 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.
Seed viability:
From one collection, the seed viability was high, at 100%.
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA 
MSB
11000 (6.94 g)
11000 (7.07 g)
>6026-Oct-2004MOL 4633
Gairdner-Torrens
28-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.