Gaunt Riceflower,
Erect Riceflower
Display all 10 images
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
| Bridgewater (NCP01) | Naracoorte Coastal Plain | Rare (IUCN: RA d(ii)) |
| Glenelg Plain (NCP02) | | Vulnerable (IUCN: VU D2) |
| Lucindale (NCP03) | | Near Threatened |
| Tintinara (NCP04) | | Least Concern |
| Kangaroo Island (KAN01) | Kanmantoo | Near Threatened (Probable Decline) [likes limestone; habitat loss] |
| Fleurieu (KAN02) | | Least Concern |
| Mount Lofty Ranges (FLB01) | Flinders Lofty Block | Least Concern |
| Broughton (FLB02) | | Near Threatened (Probable Decline) |
| Olary Spur (FLB03) | | Rare (IUCN: RA d(i,ii)) (Probable Decline) |
| Southern Flinders (FLB04) | | Least Concern |
| Northern Flinders (FLB05) | | Rare (IUCN: RA d(ii)) |
| Central Flinders (FLB06) | | Near Threatened |
| St Vincent (EYB02) | Eyre Yorke Block | Vulnerable (IUCN: VU B2ab(i,ii,iii)) (Probable Decline) |
| Eyre Hills (EYB03) | | Least Concern |
| Talia (EYB04) | | Rare (IUCN: RA d(ii)) (Probable Decline) |
| Eyre Mallee (EYB05) | | Least Concern |
| Murray Mallee (MDD02) | Murray Darling Depression | Least Concern |
| Murray Lakes and Coorong (MDD03) | | Near Threatened |
| Lowan Mallee (MDD04) | | Least Concern |
| Wimmera (MDD05) | | Vulnerable (IUCN: VU D2) |
| Gawler Volcanics (GAW02) | Gawler | Near Threatened |
| Gawler Lakes (GAW03) | | Rare (IUCN: RA d(i,ii)) |
| Bimbowrie (BHC05) | Broken Hill Complex | Rare (IUCN: RA d(i,ii)) (Probable Decline) |
| 4 of 4 subregions | Naracoorte Coastal Plain | Least Concern , Near Threatened , Rare , Vulnerable |
| 2 of 2 subregions | Kanmantoo | Least Concern , Near Threatened |
| 6 of 6 subregions | Flinders Lofty Block | Least Concern , Near Threatened , Rare |
| 4 of 5 subregions | Eyre Yorke Block | Least Concern , Rare , Vulnerable |
| 4 of 6 subregions | Murray Darling Depression | Least Concern , Near Threatened , Vulnerable |
| 2 of 8 subregions | Gawler | Near Threatened , Rare |
| Bimbowrie (BHC05) | Broken Hill Complex | Rare (IUCN: RA d(i,ii)) (Probable Decline) |
Botanical art
Kath Alcock paintings: 7
Common names
Gaunt Riceflower
Erect Riceflower
Etymology
Greek 'pimele' fat, alluding to the fleshy cotyledons and Latin 'strictus' rigid.
Distribution and status
Mostly light sandy soils in open woodland, mallee or sandhills. Native
Herbarium regions: Flinders Ranges, Eastern, Eyre Peninsula, Northern Lofty, Murray, Southern Lofty, Kangaroo Island, South Eastern, Green Adelaide
NRM regions: Adelaide and Mount Lofty Ranges, Eyre Peninsula, Kangaroo Island, Northern and Yorke, South Australian Arid Lands, South Australian Murray-Darling Basin, South East
AVH map: SA distribution map (external link)
Plant description
Erect shrub to 1.5m, stems glabrous. Leaves narrow-elliptic, 5.5-37 mm long, 1-5 mm wide, acute. Inflorescence a bracteate head, flowers 9-37 per head 10-15mm long, creamy white. Flowering July-October. Fruits are fruit approximately 5 mm long, green, enclosed in hypanthium base. Seeds are seed narrow-ovoid, hooked at the apex, glabrous, black, reticulate.
| Location | No. of seeds
(weight grams) | Number
of plants | Date
collected | Collection number
Collection location | Date
stored | % Viability | Storage
temperature | BGA
MSB | 4,380 (15.34 g)
4,380 (15.34 g) | 50+ | 2-Nov-2006 | DJD646
Northern Lofty | 1-Aug-2007 | 100% | -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 |
| May-07 | 23% | 63 | NA |
20% hydrogen peroxide 10 min, water rinse;
filter paper over moist sand;
6 weeks summer, 6 weeks spring/autumn, 6 weeks winter, 6 weeks spring/autumn, 6 weeks summer, 6 weeks spring/autumn; |
| May-07 | 11% | 82 | NA |
20% hydrogen peroxide 10 min, water rinse;
filter paper over moist sand;
6 weeks winter, 6 weeks spring/autumn, 6 weeks summer, 6 weeks spring/autumn, 6 weeks winter, 6 weeks spring/autumn; |
| May-07 | 11% | 48 | NA |
20% hydrogen peroxide 10 min, water rinse;
filter paper over moist sand;
Incubated under spring/autumn conditions |
| May-07 | 1% | 48 | NA |
20% hydrogen peroxide 10 min, water rinse;
filter paper over moist sand;
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)
