Plants of South Eastern New South Wales
Ranunculus diminutus
Brackish Plains Buttercup
Ranunculaceae
Grows in clay soils or mud, in intermittently wet sites. South of Goulburn. Kosciuszko National Park, the mountains to the north, ACT, tablelands, and the western edge of the ranges. Occasionally elsewhere.
Perennial herb to about 0.1 m high, stoloniferous. Leaves basal, about 1–2 cm long, 10-20 mm wide, compound, divided into 3 leaflets each 1–2.5 mm wide, margins entire or with 1-3 narrow lobes or teeth, lower surface hairless or sparsely hairy. Flowers with 5 yellow glossy petals each 3.5–6.5 mm long. Sepals spreading. Flowering stems erect, 1-3 flowered. Flowers Sep.–Feb. Seeds 6–22, flattened-oval, 1–2 mm long, sides smooth or finely wrinkled or obscurely ridged; beak slender, about 1 mm long, erect. Flowers Sep.–Feb.
Can be difficulat to distinguish from Ranunculus papulentus when there are no flowers or seeds.
Rare Vic.
PlantNET description: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Ranunculus~diminutus (accessed 4 February, 2021)
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