Status of three-horned bedstraw in Tasmania(Galium tricornutum)
Three-horned bedstraw (Image: Luigi Rignanese)
- Three-horned bedstraw is a declared weed in Tasmania under the Tasmanian Weed Management Act 1999. The importation, sale and distribution of three-horned bedstraw are prohibited in Tasmania.
legal responsibilities of landholders and other stakeholders in dealing
with three-horned bedstraw are laid out in the three-horned bedstraw Statutory Weed Management Plan.
What does three-horned bedstraw look like?
bedstraw is a sprawling annual herb. The stems are up to 50 cm long,
square in cross section and covered with downwardly pointing prickles,
especially along the ribs. The leaves are long, narrow and flat and
arranged in whorls; the first leaves are arranged in groups of four,
with a pointed tip and a few hairs along the margins, the mature leaves
are in whorls of 6 or 7, broader, with backwardly pointed prickles on
- The flowers are small and white, appear in
clusters of three and are carried on short branched stems arising from
the leaf whorl. Each flower forms a pair of 'seeds' or nutlets that
separate when mature.
- Spread is by seed. Seed can be spread as a contaminant of agricultural products.
Impacts of three-horned bedstraw
- Three-horned bedstraw is a serious weed of crops.
Where does three-horned bedstraw occur?
bedstraw is a native of Europe and central Asia. On mainland Australia,
three-horned bedstraw has naturalised widely in south-eastern Australia
and at several locations in Western Australia.
- Three-horned bedstraw has not naturalised in Tasmania. However, the weed is recorded as an occasional contaminant of imported agricultural products.
What you need to do
you locate three-horned bedstraw anywhere in Tasmania, or if you find a
plant that you think could be three-horned bedstraw, immediately
contact your Regional Weed Management Officer on 1300 368 550 to report
Three-horned Bedstraw Statutory Weed Management Plan
Weed Links and Resources
Other useful links
extent permitted by law, the Tasmanian Department of Primary Industries,
Parks, Water and Environment (including its employees and consultants)
excludes all liability to any person for any consequences, including but
not limited to all losses, damages, costs, expenses and any other
compensation, arising directly or indirectly from using information or
material (in part or in whole) contained on this website.