- Taxon
- Weed
- Gallery
Recognition
- a large, summer green, clump forming perennial herbaceous plant with short, stout rhizomes.
- its leaf stalk up to 1 m long and covered with short, reddish prickles.
- its leaf up to 1m long and wide, 5-7 lobed, coarse above and main veins with soft prickles.
- its inflorescence is up to 1 m long at fruiting, with numerous short lateral branches up to 7 cm long.
- its flowers numerous, without petals, and small (about 1 mm long).
- its seeds are 1-1.3 mm across.
References
Biosecurity New Zealand 2012: Regional Pest Management Strategies Database. http://www.biosecurityperformance.maf.govt.nz/
Biosecurity New Zealand 2008: National Plant Pest Accord. MAF Biosecurity New Zealand, Wellington.
Howell, C. 2008: Consolidated list of environmental weeds in New Zealand. DOC Research & Development Series 292: 42.
Ministry for Primary Industries 23 Feb 2017: Unwanted Organisms Register. Version 02.01.02. https://www1.maf.govt.nz/uor