Sugar Maple

Scientific name: Acer saccharum

Invasive status in CT: No

Key ID features: Large tree, opposite branching, five-lobed leaves with smooth U-shaped sinuses, and dark gray bark that becomes plated with age meaning it breaks into irregular shaped blocks or plates

Native Range:

  • Eastern and central North America
  • Most abundant in New England, Great Lakes region, and Appalachian Mountains

Habitat:

  • Prefers well-drained, fertile soils
  • Found in mixed hardwood forests
  • Cooler climate

Size and Growth:

  • Large tree that is usually 60–75 ft tall, but can reach over 100 ft
  • Long-lived, often 200–300 years
  • Moderate to slow growth rate

Leaves and Sap:

  • Leaves are opposite, simple, 5-lobed, and 3–6 inches wide
  • Bright yellow, orange, or red in fall
  • Sap is clear and has a high sugar content which is used to produce maple syrup

Flowers and Fruit:

  • Flowers are small, greenish-yellow and in clusters
  • Fruit has paired winged samaras that ripen in fall

Ecology and Invasiveness:

  • Keystone species in northern hardwood forests
  • Provides habitat and food for wildlife: its buds, leaves, and seeds are eaten by deer, squirrels, and birds

Tips to Tell It Apart:

  • Clear sap when leaf stalk is broken (red maple has milky sap in petiole)
  • Leaves have U-shaped sinuses and smooth edges (red maple has V-shaped sinuses and serrated edges)

Sources:

https://www.britannica.com/plant/sugar-maple
https://www.animalia-life.club/qa/pictures/sugar-maple-tree-leaf.html
https://www.gardenia.net/plant/acer-saccharum
https://www.britannica.com/plant/sugar-maple