Betulaceae Betula nigra - river birch (Lab 01)

Category: Photo Fact Sheets Created: Monday, 23 August 2010 Last Updated: Thursday, 19 January 2012

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  • Betulaceae Betula nigra - river birch: Bark on a 10 inch dbh tree with characteristic peely texture, grey and salmon coloration.Betulaceae Betula nigra - river birch: Bark on a 10 inch dbh tree with characteristic peely texture, grey and salmon coloration.
  • Betulaceae Betula nigra - river birch: Bark on a 10 inch dbh tree with characteristic peely texture, grey and salmon coloration.Betulaceae Betula nigra - river birch: Bark on a 10 inch dbh tree with characteristic peely texture, grey and salmon coloration.
  • Betulaceae Betula nigra - river birch: Bark on a smaller (<1 inch diameter) branch showing no peeling and numerous white lenticels.Betulaceae Betula nigra - river birch: Bark on a smaller (<1 inch diameter) branch showing no peeling and numerous white lenticels.
  • Betulaceae Betula nigra - river birch: Preformed catkins often found in pairs throughout the summer and winter.Betulaceae Betula nigra - river birch: Preformed catkins often found in pairs throughout the summer and winter.
  • Betulaceae Betula nigra - river birch: Twig with preformed catkins.Betulaceae Betula nigra - river birch: Twig with preformed catkins.
  • Betulaceae Betula nigra - river birch: Typical form when planted in an urban setting, numerous branched trunks.Betulaceae Betula nigra - river birch: Typical form when planted in an urban setting, numerous branched trunks.
  • Betulaceae Betula nigra - river birch: Typical form when growing wild in the woods with a single leaning trunk.Betulaceae Betula nigra - river birch: Typical form when growing wild in the woods with a single leaning trunk.
  • Betulaceae Betula nigra - river birch: Leaf, alternate, simple, doubly serrate margins, deltoid shape.Betulaceae Betula nigra - river birch: Leaf, alternate, simple, doubly serrate margins, deltoid shape.
  • Betulaceae Betula nigra - river birch: Leaf, alternate, simple, doubly serrate margins, deltoid shape.Betulaceae Betula nigra - river birch: Leaf, alternate, simple, doubly serrate margins, deltoid shape.
  • Betulaceae Betula nigra - river birch: Leaf, alternate, simple, doubly serrate margins, deltoid shape.Betulaceae Betula nigra - river birch: Leaf, alternate, simple, doubly serrate margins, deltoid shape.
  • Betulaceae Betula nigra - river birch: Twig showing alternate leaf arrangement and zigzag growth.Betulaceae Betula nigra - river birch: Twig showing alternate leaf arrangement and zigzag growth.
  • Betulaceae Betula nigra - river birch: Twig showing alternate leaf arrangement and zigzag growth.Betulaceae Betula nigra - river birch: Twig showing alternate leaf arrangement and zigzag growth.
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Site Statistics

Species: 207 | Genera: 122 | Families: 67

All Photos: 2063 | Leaf Photos: 622 | Twig Photos: 511 | Bark Photos: 353 | Fruit Photos: 274 | Photos per Species: 10.0

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