Seeds of South Australia
Wurmbea sinora (Liliaceae)
List of species for Wurmbea
Click on an image to enlarge it
Seed collecting:
August to October
Herbarium region:
Eyre Peninsula
NRM region:
Eyre Peninsula
IBRA region
Talia (EYB04)Eyre Yorke Block
 Endangered   (IUCN: EN B2ab(i,ii,iii))   (Probable Decline)   [grazed]
Eyre Mallee (EYB05) 
 Endangered   (IUCN: EN B2ab(i,ii,iii))   (Probable Decline)   [grazed]
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).
Distribution:
Known only from a small area on the Eyre Peninsula in South Australia, growing at base of granite outcrops and drainage lines. Also found in Western Australia.
Status:
Native. Very rare in South Australia. Common in Western Australia.
Plant description:
Small, slender herb to 8 cm tall. Leaves 3, well spaced, lowest one filiforrn, not or scarcely dilated at base, erect, to 10 cm long, middle leaf shorter, markedly dilated at base with a long filiform upper portion, upper leaf markedly dilated at base with a short acute or acuminate apex, attached well below inflorescence. Inflorescence a single white flower with white winged nectaries. Nectaries 2 per tepal, anthers dark purple. Flowering between July and August.
Fruit type:
Brown papery ovoid capsule to 0.8 mm long containing many seeds.
Seed type:
Orange brown globular seed to 1.5 mm diameter.
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.
Germination table:
DateResultT0T50Pre-treatment | Germination medium | Incubator: Photoperiod / Thermoperiod
Aug-1593%28 d28 d 500 mg/L gibberellic acid 48 h;
1% agar;
Incubated under winter conditions
Result: Maximum percentage of germination observed.
T0: Number of days before first germinant observed.
T50: Number of days to achieve 50% germination.
Pre-treatment: The initial treatment that the seeds received prior to placement on germination media.
Germination medium: The substrate that seeds were placed on for the duration of the germination experiment.
Incubator conditions:
Photoperiod: The duration of light exposure that the seeds were subject to during a 24 hour period.
Thermoperiod: The constant or diurnal temperatures that seeds were subject to during a 24 hour period.
Winter conditions: 15°C 20 h (3am→11pm); 5°C 4 h (11pm→3am) / 10 h light (8am→6pm); 14 h dark (6pm→8am)
Spring/Autumn conditions: 22°C 12 h (8am→8pm); 10°C 12 h (8pm→8am) / 12 h light (8am→8pm); 12 h dark (8pm→8am)
Summer conditions: 30°C 14 h (6am→8pm); 15°C 10 h (8pm→6am) / 14 h light (6am→8pm); 10 h dark (8pm→6am)