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Aniseed boronia

Boronia crenulata, commonly known as aniseed boronia, is a plant in the citrus family Rutaceae and is endemic to the south-west of Western Australia. It is an open-branched shrub, often trailing between other plants, has strap-like leaves and pink to purple-red, four-petalled flowers in winter and autumn.

Boronia crenulata is a shrub which grows to a height of about 0.25–1.2 m (0.8–4 ft) and has weak, thin stems which often trail between other plants. The flowers are pink to reddish and are scattered singly or in small groups in leaf axils or at the ends of the stems. 

This boronia occurs in a broad area of the south-west of Western Australia in the Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain and Warren biogeographic regions. It grows in a range of soils, from clay to limestone and from swampy coastal areas to the margins of salt lakes and rocky outcrops.

  • Category Outdoor flowering plants
  • Families Rutaceae
  • Genus Boronia
  • Species crenulata
  • Geographical Area of Origin Oceania
  • Climatic Zones Sub-tropical, USDA 10 b (Southern Italy and islands)
  • Habit Shrub
  • Leaves Evergreen
  • Colore Foglie Verde
  • Flowering Period February / March / April
  • Flower Simple flower
  • Colore Fiori Viola
  • Favorite soil Sub-acid / medium acid / Middle-Dough / Medium soil
  • Water needs Medium
  • Light Exposure Full light / Full sun
  • Form Grown as shrub / bush
  • Colore Frutti Marrone
  • Parfumed yes
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