Small-flower Buttercup,
Annual Buttercup
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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
Tintinara (NCP04) | Naracoorte Coastal Plain | Endangered (IUCN: EN B2ab(i,ii,iii)) (Probable Decline) [Mt Boothby] |
Kangaroo Island (KAN01) | Kanmantoo | Data Deficient [questionable ID; taxonomic issues] |
Central Flinders (FLB06) | Flinders Lofty Block | Endangered (IUCN: EN B2ab(i,ii,iii)) (Probable Decline) [localised] |
Southern Yorke (EYB01) | Eyre Yorke Block | Endangered (IUCN: EN C2a(i)) (Probable Decline) [roadsides, gypsum hollows] |
Murray Mallee (MDD02) | Murray Darling Depression | Endangered (IUCN: EN D) [specific habitat] |
Lowan Mallee (MDD04) | | Endangered (IUCN: EN B2ab(i,ii,iii); D) (Probable Decline) [localised habitat] |
Wimmera (MDD05) | | Vulnerable (IUCN: VU D2) (Probable Decline) [grazing, weeds, habitat loss] |
Murray Scroll Belt (RIV06) | Riverina | Endangered (IUCN: EN B2ab(i,ii,iii)) (Probable Decline) |
Gawler Volcanics (GAW02) | Gawler | Vulnerable (IUCN: VU D1) [checked by Dean C.] |
Botanical art
Kath Alcock paintings: 8
Prior names
Ranunculus pilulifer
Common names
Small-flower Buttercup
Annual Buttercup
Distribution and status
Herbarium regions: Flinders Ranges, Eyre Peninsula, Murray, Yorke Peninsula, Kangaroo Island, South Eastern
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 | 2,900 (1.4 g) | 50 | 10-Nov-2007 | RJB75446 Southern Lofty | 19-Sep-2008 | 70% | +5°C, -18°C |
BGA | 14,700 (3.94 g) | 200+ | 6-Nov-2008 | DJD1368 Yorke Peninsula | 20-Jul-2009 | 92% | -18°C |
BGA | 60,900 (12.33 g) | 50+ | 15-Sep-2015 | DJD3190 Murray | 2-May-2017 | 85% | +5°C, -18°C, -80°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-16 | 13% | 7 | NA |
leached in water 24 h; 1% agar; Incubated under spring/autumn 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)