Plants of South Eastern New South Wales
Ranunculus trichophyllus
Common name
A buttercup
Family
Ranunculaceae
Where found
Aquatic. Kosciuszko National Park, the mountains to the north, tablelands, and the western edge of the ranges.
Notes
Introduced submerged perennial herb, only the flowers emerging above the water. Stems to about 0.6 m long, often rooting at the lower nodes. Leaves alternating up the stems, 1–5 cm long, 10-50 mm wide, divided into numerous thread-like segments 0.1–0.5 mm in diameter, not lying in the same plane, segments often collapsing together when withdrawn from the water, bases dilated into membranous, often appressed-hairy sheaths. Flowers entirely white, or yellow at the base, with 4-5 petals each 3–7 mm long. Sepals greenish, often tinged purple, curved back or spreading, soon falling. Flowers single. Flowers Oct.–Feb. Seeds 15–35, lens-shaped to oval, usually sparsely hairy, 1.5-2 mm long, sides prominently transversely ridged; beak absent or to 0.2 mm long.
Treated as Introduced in NSW. Uncertain Status (Native or Introduced) in Vic.
PlantNET description: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Ranunculus~trichophyllus (accessed 16 April 2021)
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