Invasive Species ID Powerpoint

Information about Invasive Species ID Powerpoint

Published on December 11, 2007

Author: Talya

Source: authorstream.com

Content

Invasive Species ID:  Invasive Species ID The Nature Conservancy September 2007 Purple Loosestrife (Lythrum salicaria) :  Purple Loosestrife (Lythrum salicaria) Slide3:  Height/size: 2-8 feet Slide4:  Flowers Showy magenta 5-6 petals on spike Stems 30-50 stems from one root, millions of seeds Japanese\Common Barberry (Berberis thunbergii \ vulgaris:  Japanese\Common Barberry (Berberis thunbergii \ vulgaris Flowers:  Flowers Yellow, 4 petals in May Red oblong berries singly or in clusters. Garlic Mustard (Alliaria petiolata):  Garlic Mustard (Alliaria petiolata) Slide9:  Height/size: 5” – 4’ Leaf structure: Kidney shaped/ triangular Alternate Sharply toothed Flowers:  Flowers White, small, clustered at the top 4 inch white petals Leaves and flowers odor of garlic Japanese Knotweed (Fallopia japonica):  Japanese Knotweed (Fallopia japonica) Slide12:  Height/size: 3-9 feet tall Leaf structure: Large hollow stem Alternate Leaves are 2-6” long Broadly oval with square bases, pointed tips Flowers:  Flowers Greenish white clusters along stem Late August Russian Olive (Elaeagnus angustifolia):  Russian Olive (Elaeagnus angustifolia) Slide15:  Height/size: large shrub-tree Leaf structure: Simple Alternate Oblong Flowers:  Flowers Fruits & Thorns:  Fruits & Thorns ¼” long, and pulpy Red colored, thorns are alternate and reddish Multiflora Rose/ Rambler Rose (Rosa multiflora) :  Multiflora Rose/ Rambler Rose (Rosa multiflora) Slide19:  Height/size: shrub, up to 6 feet Leaf Structure: Alternate compound 7-9 leaflets Thorny arching stems Flowers & Fruits:  Flowers & Fruits Cluster of white to pink, 5 petals Fragrant, blooms June- July Fruits- pulpy, rose hips Oriental Bittersweet (Celastrus orbiculatus):  Oriental Bittersweet (Celastrus orbiculatus) Slide22:  Height/size: vine up to 50 feet Leaf structure: Oval, with a point Alternate, 1-5 inches long Flowers & Fruits:  Flowers & Fruits Small greenish/yellow Along axils of leaves Fruit- pea sized capsules, change from green to bright yellow, to red berry Glossy Buckthorn (Frangula alnus):  Glossy Buckthorn (Frangula alnus) Slide25:  Height/size: small shrub – 20 feet Leaf Structure: Alternate to nearly opposite Oval ; fine toothed 1-2 inches long Glossy leaves Flowers & Fruits:  Flowers & Fruits Greenish-yellow flowers 5 petals (common buckthorn has only 4) Among leaves Red berries turn black when ripe Common Buckthorn (Rhammus cathartica):  Common Buckthorn (Rhammus cathartica) Slide28:  Height/size: up to 20 feet Leaf structure: Alternate, dull green leaves Oval, fine toothed, 1-2 inches long Direct veins curve towards leaf tip, glossy Flowers & Fruit:  Flowers & Fruit Greenish-yellow flowers 4 petals, among leaves Fruits- dark blue, clustered along stem Fruits continued…..:  Fruits continued….. Black Locust (Robinia pseudoacacia):  Black Locust (Robinia pseudoacacia) Slide33:  Height/size: tree – up to 100 ft. Leaf Structure ::  Leaf Structure : Alternate Compound leaflets in pairs Flowers:  Flowers Showy fragrant white with yellow centers 1 inch long, pea-like Hanging in clusters Seeds :  Seeds Brown flat pods 2-4 inches long 4-8 seeds red-brown Twigs & Bark:  Twigs & Bark Gray to light brown Thick; heavily ridged Twigs have thorns in pairs at leaf scars References:  References www.invasive.org http://www.nps.gov/plants/alien/fact/rhca1.htm http://www.extension.umn.edu/yardandgarden/ygbriefs.html

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