Acaena novae-zelandiae (bidi-bidi, biddy-biddy, bidgee-widgee, or piri-piri-bur) is an ornamental plant native to New Zealand and Australia. It can also be found elsewhere as an introduced species, and is considered a noxious weed in some areas, such as Hawaii and California. The common name bidi-bidi is a corruption of the Māori name for this plant, piripiri.
Bidgee-widgee was used as a tea substitute by early explorers.
Bidgee-widgee is a prostrate herb. One plant can cover up to 4-5 square meters in favorable conditions. A burr is left after the flowers fall.
- Te Ara Encyclopedia of New Zealand
- Acaena novae-zelandiae at USDA Plants Database Profile
- GRIN Species Profile
- "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 25 January 2015. Retrieved 2014-10-17.
- Wood, John (2006). Hardy Perennials and Old Fashioned Flowers. Project Gutenberg Literary Archive Foundation.
- Jepson Manual Treatment
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