Phebalium glandulosum ssp. macrocalyx
Rutaceae
Desert Phebalium,
Glandular Phebalium
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Regional Species Conservation Assessments per IBRA subregion.
Least concern
Near threatened
Rare
Vulnerable
Endangered
Critically endangered
Extinct
Data deficient
Adelaide
Arkaroola
Ceduna
Coober Pedy
Hawker
Innamincka
Marla
Marree
Mount Gambier
Oodnadatta
Renmark
Wudinna
Keith
Yunta
Display IBRA region text
| Broughton (FLB02) | Flinders Lofty Block | Rare (IUCN: RA d(i,ii)) |
| St Vincent (EYB02) | Eyre Yorke Block | Endangered (IUCN: EN B2ab(ii,iii)) (Probable Decline) [endemic to region] |
Prior names
Phebalium glandulosum
Phebalium glandulosum ssp. glandulosum
Eriostemon sediflorus
Common names
Desert Phebalium
Glandular Phebalium
Distribution and status
Herbarium regions: Northern Lofty, Murray, Yorke Peninsula
NRM regions: Northern and Yorke, South Australian Murray-Darling Basin
AVH map: SA distribution map (external link)
| Location | No. of seeds
(weight grams) | Number
of plants | Date
collected | Collection number
Collection location | Date
stored | % Viability | Storage
temperature | | BGA | 1,300 (2.24 g) | 52 | 16-Dec-2003 | MKJ11
Yorke Peninsula | 1-Sep-2004 | 45% | -18°C |
| BGA | 1,350 (3.31 g) | 50 | 18-Jan-2007 | DJD745
Yorke Peninsula | 1-Aug-2007 | 100% | +5°C, -18°C |
| BGA | 400 (0.74 g) | 9 | 12-Nov-2009 | TST882
Yorke Peninsula | 1-Jun-2010 | 50% | -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.
Germination table:
Display
| Date | Result | T0 | T50 | Pre-treatment | Germination medium | Incubator: Photoperiod / Thermoperiod |
| Jul-04 | 2% | 36 | NA |
seed coat nicked with scalpel, 20% hydrogen peroxide 10 min, water rinse;
filter paper over moist sponge;
14/10; / 20°C/10°C |
| Jul-04 | 0% | NA | NA |
20% hydrogen peroxide 10 min, water rinse;
filter paper over moist sponge;
14/10; / 20°C/10°C |
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)
