SRS-FIA Invasive SRS-FIA Invasive Plant Identification Plant Identification 2012-20132012-2013
Part 7Part 7
This presentation contains the original invasive tree species added to the list preceding SRS-FIA manual version 6.0.
Princess Tree - Paulownia tomentosa PATO2
Opposite, entire, heart shaped leaves, fuzzy hairs above and below
Flowers April to May. Before leaves in spring.
Pale – violet and fragrant.
Ecology: Forms colonies Forest margins
Princess Tree - Paulownia tomentosa PATO2
Leaves can get >2 feet long
Paulownia tomentosa PATO2
Look-a-like
Catalpa
Princess Tree - Paulownia tomentosa
PATO2
• Autumn olive leaves: deciduous, elliptic wavy margins pubescent, scale-less above dense silver scales below
• Stems: spur twigs common (thorny) grey-green, smooth, glossy
• Ecology: individuals and stands occur in openings and in shade
Elaeagnus Group (Olive Group) ELAEA
• Russian olive leaves: deciduous, long lanceolate sparse silver scales above dense silver scales below
• Stems: thorny silver scales/smooth green-red
• Ecology: forest margins forest openings
Elaeagnus Group (Olive Group)ELAEA
Elaeagnus umbellataAutumn olive
Elaeagnus angustifoliaRussian olive
Albizia julibrissin
ALJUCommon names: silktree,
mimosa, silky acacia, Japanese mimosa
Deciduous, leguminous tree 10 to 50 feet tall.
Smooth light-brown bark, feathery leaves, and showy pink blossoms that continually yield dangling flat pods during summer.
Some pods persistent during winter. Occurs on dry-to-wet sites and spreads along stream banks, preferring open conditions but also persisting in shade. AKA –pretty much anywhere.
Albizia julibrissin
ALJU
Triadica sebifera
TRSE6Synonym: Sapium sebiferum Common names: tallowtree, popcorntree, Chinese tallowtree
Leaves are alternately whorled, heart shaped, entire, 1-3” petioles
Found in wet ditches, streambanks, riverbanks, uplands sites
Triadica sebifera
TRSE6Common names: tallowtree, popcorntree, Chinese tallowtree
Twigs lime green turning gray with scattered brownish lenticels.
Can produce up to 100,000 seeds per year.
Triadica sebifera
TRSE6
Ailanthus altissima
AIALCommon names: tree-of-heaven, ailanthus, Chinese sumac, stinking sumac, paradise-tree, copal-tree
Leaves are pinnately compound
Leaf stalk with swollen base
Leaflets arranged sub-opposite
Circular glands under lobes at leaflet base
Ailanthus altissima
AIALCommon names: tree-of-heaven, ailanthus, Chinese sumac, stinking sumac, paradise-tree, copal-tree
Fruit and seeds: July to February. Wing-shaped fruit with twisted tips on female trees, 1 inch (2.5 cm) long. Single seed. Green turning to tan, then brown. Persist on tree for most of the winter.
Large, heart-shaped leaf scars
Ailanthus altissima
AIALLook-a-like
Sumacs, Rhus spp. – terminal flower/fruit cluster and no glands on base of leaves.
Ailanthus altissima
AIAL
Photo Credits:
Amy Ferriter, State of Idaho, Bugwood.org
Dan Clark, USDI National Park Service, Bugwood.org
Joseph M. DiTomaso, University of California - Davis, Bugwood.org
Rebekah D. Wallace, University of Georgia, Bugwood.org
Troy Evans, Great Smoky Mountains National Park, Bugwood.org
Keith Kanoti, Maine Forest Service, Bugwood.org
James H. Miller, USDA Forest Service, Bugwood.org
Nancy Loewenstein, Auburn University, Bugwood.org
Chris Evans, Illinois Wildlife Action Plan, Bugwood.org
Gil Wojciech, Polish Forest Research Institute, Bugwood.org
Robert Vidéki, Doronicum Kft., Bugwood.org
End of Part 1
Most pictures were found at: http://www.forestryimages.org/
Franklin Bonner, USFS (ret.), Bugwood.org
Karan A. Rawlins, University of Georgia, Bugwood.org
John M. Randall, The Nature Conservancy, Bugwood.org
William Fountain, University of Kentucky, Bugwood.org
Rob Routledge, Sault College, Bugwood.org
Chuck Bargeron, University of Georgia, Bugwood.org
Amy Richard, University of Florida, Bugwood.org
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive, Bugwood.org
Annemarie Smith, ODNR Division of Forestry, Bugwood.org
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Jil Swearingen, USDI National Park Service, Bugwood.org
Photo Credits:
Paul Wray, Iowa State University, Bugwood.org
Ted Bodner, Southern Weed Science Society, Bugwood.org
Bill Cook, Michigan State University, Bugwood.org
John D. Byrd, Mississippi State University, Bugwood.org
Steve Manning, Invasive Plant Control, Bugwood.org
Nancy Fraley, USDI National Park Service, Bugwood.org
James Johnson, Georgia Forestry Commission, Bugwood.org
Warner Park Nature Center, Metropolitan Board of Parks and Recreation, Nashville, TN
David J. Moorhead, University of Georgia, Bugwood.org
Ron Lance, Asheville, NC
Richard Old, XID Services, Inc., Bugwood.org
B. Eugene Wofford, University of Tennessee Herbarium
Wofford and Chester, University of TN Herbarium
Tom Heutte, USDA Forest Service, Bugwood.org
Jenn Grieser, New York City Department of Environmental Protection, Bugwood.org
Barbara Tokarska-Guzik, University of Silesia, Bugwood.org
Dave Powell, USDA Forest Service, Bugwood.org
Forest & Kim Starr, Starr Environmental, Bugwood.org
Barry Rice, sarracenia.com, Bugwood.org
David Nance, USDA Agricultural Research Service, Bugwood.org
Karen Brown, University of Florida, Bugwood.org
Ohio State Weed Lab Archive, The Ohio State University, Bugwood.org
The Nature Conservancy Archive, The Nature Conservancy, Bugwood.org
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