Seeds of South Australia
Rhodanthe chlorocephala ssp. rosea (Compositae)
Western Sunray
List of species for Rhodanthe
Click on an image to enlarge it
Seed collecting:
September to November
Herbarium regions:
North Western, Nullarbor, Gairdner-Torrens
NRM region:
Alinytjara Wilurara
IBRA regions
Kingoonya (GAW05)Gawler
 Rare   (IUCN: RA d(i,ii))   [localised]
Commonwealth Hill (GAW08) 
 Near Threatened   [edge of range]
Maralinga (GVD03)Great Victoria Desert
 Rare   (IUCN: RA d(i,ii))
Yellabinna (GVD06) 
 Least Concern
Nullarbor Plain (NUL02)Nullarbor
 Rare   (IUCN: RA d(i,ii))
Yalata (NUL03) 
 Rare   (IUCN: RA d(i,ii))
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 Rhodanthe]
Germination table:
DateResultT0T50Pre-treatment | Germination medium | Incubator: Photoperiod / Thermoperiod
May-17100%77 500 mg/L gibberellic acid for 24 h;
1% agar;
Incubated under spring/autumn conditions
May-1793%77 500 mg/L gibberellic acid for 24 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)