Ranunculus pimpinellifolius

Ranunculus pimpinellifolius, commonly known as bog buttercup, is a flowering plant in the family Ranunculaceae and grows in eastern Australia. It is a low growing perennial with divided green leaves and yellow flowers.[2]

Bog buttercup
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Ranunculales
Family: Ranunculaceae
Genus: Ranunculus
Species:
R. pimpinellifolius
Binomial name
Ranunculus pimpinellifolius

Description

Ranunculus pimpinellifolius is a perennial herb covered with soft, weak hairs or almost smooth. The leaves are mostly at the base of the stems, pinnately divided into 3-7 segments, segments usually with three lobes and rounded teeth, oval to oblong-shaped, 1–5 cm (0.39–1.97 in) long on a petiole 2–12 cm (0.79–4.72 in) long and sparse to thickly covered in spreading hairs. The flowering stems are upright or spreading, simple or occasionally branched with up to five flowers 5–15 mm (0.20–0.59 in) in diameter and usually five narrowly egg-shaped to oval petals, 4–9 mm (0.16–0.35 in) long, 1.5–4 mm (0.059–0.157 in) wide, shiny and yellow. Flowering occurs from November to January and the fruit is a smooth achene 2–2.8 mm (0.079–0.110 in) long and gradually tapering to a recurved beak 0.5–1 mm (0.020–0.039 in) long.[2][3][4]

Taxonomy and naming

Ranunculus pimpinellifolius was first formally described in 1834 by William Jackson Hooker and the description was published in The Journal of Botany.[5]

Distribution and habitat

Bog buttercup grows in boggy locations, wet grasslands and herbfields at higher altitudes in New South Wales, Victoria, Tasmania and the Australian Capital Territory.[2][3]

References
  1. "Ranunculus pimpinellifolius". Australian Plant Census. Retrieved 25 March 2023.
  2. Briggs, B.G.; Makinson, R.O. "Ranunculus pimpinellifolius". PlantNET-NSW flora online. Royal Botanic Gardens Sydney. Retrieved 25 March 2023.
  3. "Ranunculus pimpinellifolius". VICFLORA-Flora of Victoria. Royal Botanic Gardens Sydney. Retrieved 27 March 2023.
  4. Cosgrove, Meredith (2014). Photographic Guide to Native Plants of the Australian Capital Territory. Meadow Argus. p. 312. ISBN 9780994183408.
  5. "Ranunculus pimpinellifolius". Australian Plant Name Index. Retrieved 27 March 2023.
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