Seeds of South Australia
Wurmbea citrina (Liliaceae)
Green-flower Star-lily
List of species for Wurmbea
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Seed collecting:
September to November
Herbarium regions:
Lake Eyre, Gairdner-Torrens, Flinders Ranges, Eastern, Eyre Peninsula
NRM regions:
Eyre Peninsula, South Australian Arid Lands
IBRA regions
SUMMARY
Gawler Volcanics (GAW02)Gawler
 Least Concern   [no records]
Gawler Lakes (GAW03) 
 Least Concern   [no records]
Kingoonya (GAW05) 
 Least Concern   [no records]
Torrens (GAW06) 
 Near Threatened   [endemic to SA; likes fire]
Roxby (GAW07) 
 Near Threatened   [endemic to SA; likes fire]
Maralinga (GVD03)Great Victoria Desert
 Least Concern   [no records]
Tallaringa (GVD05) 
 Near Threatened   [endemic to SA; likes fire]
Yellabinna (GVD06) 
 Least Concern   [no records]
Dieri (SSD03)Simpson Strzelecki Dunefields
 Near Threatened   [endemic to SA; likes fire]
Warriner (SSD04) 
 Near Threatened   [endemic to SA; likes fire]
Murnpeowie (STP03)Stony Plains
 Near Threatened   [endemic to SA; likes fire]
Coongie (CHC06)Channel Country
 Near Threatened   [endemic to SA; likes fire]
Lake Pure (CHC07) 
 Near Threatened   [endemic to SA; likes fire]
IBRA regions
DISPLAY ALL
5 of 8 subregionsGawlerLeast Concern
, Near Threatened
3 of 4 subregionsGreat Victoria DesertLeast Concern
, Near Threatened
2 of 4 subregionsSimpson Strzelecki DunefieldsNear Threatened
Murnpeowie (STP03)Stony PlainsNear Threatened
  [endemic to SA; likes fire]
2 of 4 subregionsChannel CountryNear Threatened
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 Wurmbea]
Name derivation:
Wurmbea name after Friedrick Wilhelm von Wurmb, merchant and botanist in 18th century Batavia (Jakarta). Citrina from the Latin 'citrinus' meaning citrus or lemon-coloured; alluding to the greenish-yellow flowers, unique in this genus in Australia.
Distribution:
Found in the central an north-eastern parts of South Australia, growing on red sandy soil. Also found in New South Wales.
Status:
Native. Common in South Australia. Common in New South Wales.
Plant description:
Dioecious herb to 30 cm high. Leaves 3, well separated to 10 cm long, lowest leaf basal, middle leaf shorter, with long-tepering apex, uppermost leaf very short, strongly dilated at the base. Inflorescence open spike with several to many (-20) yellow-green star-shaped flowers, nectary 1 per tepal,  greenish-brown, anthers purple-brown. Flowering between May and September, depending on rainfall.
Fruit type:
Brown capsule with rounded segments, not ribbed, containing many seeds.
Seed type:
Dark brown globular seed to 2 mm diameter, with a wrinkled surface.
Embryo type:
Linear under-developed.
Seed collecting:
Collect mature capsules, those turning pale straw colour and containing hard brown seeds.
Seed cleaning:
Place the capsules in a tray and leave to dry for two weeks. Then rub the capsules 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
1100 (4.14 g)
1100 (4.14 g)
100+23-Oct-2008DJD1078
Eastern
20-Jul-2009100%+5°C, -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.