Weeds Identification (PDF, 13MB, new window) - Manningham City ...

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Large Shrubs and Trees 36 Sweet Pittosporum Pittosporum undulatum Status: Very serious environmental weed Garden escape Features: Small tree to 10m. Naturally occurring in the east of Victoria, but a very serious weed in this region. Masses of white scented flowers in spring which develop into orange berries in autumn. Shiny, smooth and glossy leaves with wavy mirgins and yellow–green to dark green in colour. Produce a distinctive odour when crushed. Dispersal: Sticky seeds. Mainly blackbirds, also other birds and foxes. Control: Willow Hakea Hakea salicifolia Status: Environmental weed Garden escape Features: Fast growing shrub to 5m, clusters of creamy white flowers in late winter to spring, hard nut–like fruit. Dull yellowish to dark green long leaves on brown stem. Dispersal: Seed is mainly dispersed by wind. Also contaminated mulch. Control:
Wattles (seven species below) Status: These wattle species are serious environmental weeds that compete with native vegetation for water, space, light and nutrients. Garden escapes of these and other Acacia species are increasing in <strong>Manningham</strong>. Dispersal: Ants, birds and seed dispersal. Seeds remain viable in the soil for many years because of their hard seed coats. Mass germination occurs especially after fire or soil disturbance. Similar local natives: There are 17 local indigenous wattles and some are similar to some of these weeds. All non local wattles have the potential to become serious environmental weeds. Control: Cedar Wattle Acacia elata Features: Medium tree to 15m. Large glossy dark green with fern like leaves. Pale yellow ball flowers in summer. Cootamunda Wattle Acacia baileyana Features: Small tree 5 – 8m tall with distinctive feathery blue–grey foliage and abundant sprays of golden flowers in winter. Colonises local native bushland, particularly on drier sites. Early Black Wattle Acacia decurrens Features: Medium tree to 10m with bright green fern–like leaves and stems with angular ridges. Sprays of bright yellow ball flowers occur from late winter to spring. Similar native species: Acacia mearnsii (Black Wattle), Acacia dealbata (Silver Wattle). Large Shrubs and Trees 37
Page 1 and 2: Weeds Identification and control of
Page 3 and 4: What is a weed? Weeds are plants th
Page 5 and 6: Methods of Control Prevention Do no
Page 7 and 8: Agapanthus Agapanthus praecox ssp.
Page 9 and 10: Freesia Freesia species hybrids Sta
Page 11 and 12: Bridal Creeper Asparagus asparagoid
Page 13 and 14: Creeping Buttercup Ranunculus repen
Page 15 and 16: Many indigenous grasses and sedges
Page 17 and 18: Kikuyu Grass Pennisetum clandestinu
Page 19 and 20: Serrated Tussock Nassella trichotom
Page 21 and 22: Capeweed Arctotheca calendula Statu
Page 23 and 24: Ragwort Senecio jacobaea Status: NO
Page 25 and 26: St John’s Wort Hypericum perforat
Page 27 and 28: Blackberry Rubus fruticosus species
Page 29 and 30: Gorse Ulex europaeus Status: Weed o
Page 31 and 32: Spanish Heath Erica lusitanica Stat
Page 33 and 34: Cherry Plum Prunus cerasifera Statu
Page 35: Tree Privet Ligustrum lucidum Statu
Page 40 and 41: Other Weeds 40 The following plants
Page 42 and 43: Glossary 42 Alternate (of leaves) a
Page 44 and 45: Botanical Name Index 44 Page Acacia
Page 47 and 48: Useful environmental pest control r

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