keep an eye out for and report to DEPI. to report and for out eye an keep
information and images of State prohibited weeds to to weeds prohibited State of images and information
these high risk invasive plants. This brochure provides provides brochure This plants. invasive risk high these
infestations.
prohibited weeds, you can help protect Victoria from from Victoria protect help can you weeds, prohibited
and explore whether there may be other associated associated other be may there whether explore and
eradication. By looking out for and reporting State State reporting and for out looking By eradication.
investigate where the weed may have come from from come have may weed the where investigate
and universities are important partners in achieving achieving in partners important are universities and
In addition to treating the infestation site, DEPI will will DEPI site, infestation the treating to addition In
The community, industry, government agencies agencies government industry, community, The
contacted and informed on the outcome of their report. their of outcome the on informed and contacted
The reporter, who can remain anonymous, will be be will anonymous, remain can who reporter, The
collaboration with the land owner. land the with collaboration
the safe treatment and/or removal of the plant in in plant the of removal and/or treatment safe the
to be a State prohibited weed, DEPI will arrange for for arrange will DEPI weed, prohibited State a be to
validated by a DEPI Officer. If the report is confirmed confirmed is report the If Officer. DEPI a by validated
become widespread. widespread. become
Once a State prohibited weed report is made it is is it made is report weed prohibited State a Once
detect and eradicate any infestations before they they before infestations any eradicate and detect
weed report? weed
to and Victoria into weeds prohibited State of
prohibited State a to happens What introduction the prevent to aims (DEPI) Industries
The Department of Environment and Primary Primary and Environment of Department The
markets, garage sales and online. and sales garage markets, •
responsible for these species on all land in Victoria. in land all on species these for responsible transport a State prohibited weed within Victoria. Victoria. within weed prohibited State a transport
agricultural land agricultural •
cases human health, can also be reduced. DEPI is is DEPI reduced. be also can health, human cases (CaLP Act), it is an offence to buy, sell, display or or display sell, buy, to offence an is it Act), (CaLP
the environment, our social amenity and in some some in and amenity social our environment, the Catchment and Land Protection Act 1994 1994 Act Protection Land and Catchment the Under public parks and gardens and parks public •
The potential harmful impact of these species to to species these of impact harmful potential The
private gardens and rare plant collections plant rare and gardens private • numbers, where their eradication is still possible. possible. still is eradication their where numbers,
year in lost agricultural production and control costs. costs. control and production agricultural lost in year they are either not yet in Victoria, or are here in small small in here are or Victoria, in yet not either are they
ponds, dams, rivers and wetlands and rivers dams, ponds, •
widespread, Victorians can save millions of dollars each each dollars of millions save can Victorians widespread, declared noxious weeds in Victoria. By definition definition By Victoria. in weeds noxious declared
By preventing State prohibited weeds from becoming becoming from weeds prohibited State preventing By State prohibited weeds are the highest category of of category highest the are weeds prohibited State Places you may find a State prohibited weed include: weed prohibited State a find may you Places
State prohibited weed? prohibited State
Where might I find a a find I might Where involved? be I can How weeds? prohibited State are What
Reporting State prohibited weeds
If you suspect you may have seen a State prohibited Details of where the State prohibited weed © The State of Victoria Department of Environment and Primary Industries June 2014 State weed please contact DEPI immediately. was found: • property/park/waterway name Phone: 136 186 prohibited • location address (street, town/city, postcode) This work is licensed under a Creative Commons Attribution 3.0 Australia Email: [email protected] licence. You are free to re-use the work under that licence, on the condition • GPS points or a map reference that you credit the State of Victoria as author. The licence does not apply to any images, photographs or branding, including the Victorian Coat of Arms, weeds • number of plants or size of the infestation When making a State prohibited weed report, the Victorian Government logo and the Department of Environment and Primary Industries logo. To view a copy of this licence, visit please include: • photos – email http://creativecommons.org/licenses/by/3.0/au/deed.en [email protected] Printed by Impact Digital, Brunswick. Contact details: ISBN 978-1-74326-937-4 (print) • your name ISBN 978-1-74326-938-1 (pdf) Accessibility • contact phone number Please do not attempt to treat or dispose of State If you would like to receive this publication in an alternative format, prohibited weeds yourself. please telephone the DEPI Customer Service Centre on 136 186, • email address email [email protected], or via the National Relay Service DEPI will remove and dispose of State prohibited on 133 677, www.relayservice.com.au. This document is also available on the internet at www.depi.vic.gov.au weeds safely at no cost to the land owner. State prohibited weed details: Disclaimer This publication may be of assistance to you but the State of Victoria and its • name of State prohibited weed found employees do not guarantee that the publication is without flaw of any kind or is wholly appropriate for your particular purposes and therefore disclaims • date State prohibited weed found all liability for any error, loss or other consequence which may arise from you relying on any information in this publication.
Acknowledgements Branched broomrape images - Maartin Sepp. Camel thorn images - DEPI Victoria; Richard Old. Giraffe thorn seed image - Roberta Gibson. Parthenium weed images - USDA Agricultural Research Service (Charles T. Bryson); Department of Employment, Economic Development and Innovation, Queensland. Perennial ragweed images - Sheldon Navie.
Customer Service Centre 136 186 www.depi.vic.gov.au/weeds Report these weeds 136 186
mesquite camel thorn poverty weed tangled hypericum Prosopis genus Alhagi maurorum Iva axillaris Hypericum triquetrifolium
Mesquite is a deciduous shrub or tree that grows Camel thorn is a spiny shrub that grows up to 1.5 m Poverty weed is a long-lived perennial herb that grows Tangled hypericum is a perennial herb that grows up 1-9 m tall. It can tolerate a wide range of soil types tall. It dies back over winter and the long lived roots up to 40 cm tall. to 50 cm tall. and withstand drought conditions. survive and grow up to 2 m deep and 8 m laterally. Poverty weed dies back over winter and has a deep The root system is deep and extensive with creeping Mesquite has distinctive zigzag shaped branches with Oval shaped arrow-head leaves have smooth edges and extensive root system that can survive through rhizomes that grow close to the soil surface. bright green, fern-like leaves. and are blue-green in colour. winter and drought conditions. Arrow-head shaped leaves grow up to 15 mm long Stems are thick with dark, cracked bark. Pairs of Numerous, yellow-tipped spines grow on the stems. Hairy leaves grow 1-3 cm long, they are grey-green in and are arranged opposite along the stem. Stems are spines develop on the stems above the leaf stalks. colour and aromatic when crushed. branched and have a tangled appearance. Pea-like flowers are pink-purple to yellow-brown Flowers appear in clusters of 2-5 in spring and and grow in small loose clusters of 1-8 during spring Inconspicuous, solitary, green-yellow flower heads Short stalked, yellow flowers with 5 petals, occur in summer. Flowers look like light yellow lambs tails and and summer. 4-6 mm across will appear over summer. clusters at the end of branches over summer. can grow 5-14 cm long. Red-brown pods (8-28 mm long) contain 1-5 smooth, Poverty weed can also restrict the growth of nearby Seeds are housed in 3-4 mm long capsules with Seed pods contain 5-20 seeds and are 10-20 cm long. red-brown, kidney shaped seeds that grow to 3 mm. plants by releasing chemicals into the soil. 3 compartments.
parthenium weed perennial ragweed Karoo thorn and branched broomrape Parthenium hysterophorus Ambrosia psilostachya giraffe thorn Orobanche ramosa Parthenium weed is an annual or perennial herb that Perennial ragweed is a herb that grows in clumps Vachellia karroo declared as Acacia karroo and Branched broomrape is a fleshy parasitic herb. Short, can reach 2 m tall. It cannot tolerate acidic soils or up to 150 cm tall and can quickly develop into Vachellia erioloba declared as Acacia erioloba thick, fleshy roots attach to broad-leaf plants. It has no consecutive frosts. dense colonies. chlorophyll and drains nutrients from the host plant. Southern African wattles that grow up to 17 m tall. Leaves are covered in fine hairs and grow initially in a Grey-green, deeply lobed leaves grow in opposite Reduced leaves are dark brown to purple, scale Both species have a long tap root that can access flat rosette. pairs along the stem and are aromatic when crushed. shaped and alternately arranged. Brown or yellow deep underground water reserves. Leaves may be hairy or rough. stems are branched just above ground level and grow Stems are hairy and branched with distinct grooves, Leaves are bright green and fern-like. Yellow, round up to 30 cm tall. becoming woody with age. Hairy stems are rounded and branched near the base. flowers grow on individual stalks at the leaf base. Numerous, tubular shaped flowers grow in a range of Numerous, small, creamy-white, star-shaped flowers Male flowers are small, green-yellow, tubular and Pairs of white spines grow to 10 cm in a V-shape from colours from pale blue, violet, white to yellow. Dust like appear in clusters, mainly in summer. arranged in spikes 3-12 cm long. Single female flowers the branches. Young branches are bright green, older seeds will occur two weeks after flowering. grow where leaves join the stem. Wedge shaped seeds are black with white scales. branches are red-brown to black or grey. Roots are thick and short with creeping rhizomes that Karoo thorn seed pods are slender, flat and curved. send up new shoots away from the mother plant. Giraffe thorn seed pods are half-moon shaped, short and covered in velvety grey hairs. www.depi.vic.gov.au/weeds