American Beech Tree

Basic Information
Tree ID: 
198
Genus and species: 
Fagus grandifolia
Variety: 
Fagaceae
Description: 
This American Beech tree is nestled next to Sloane Physics Laboratory, where it lies along a well-traveled part of Science Hill. If you were standing beneath it, you might notice the Yuttle driving by each day as students make their way to class. The tree is known for its smooth, light gray bark and its wide canopy of dark green leaves. It also produces small nuts called beechnuts, which provide food for animals such as squirrels, deer, and birds. In the fall, its leaves turn a golden brown, and many remain on the branches through winter, a trait called marcescence. In early spring, the tree develops both male and female flowers; the male flowers appear as drooping catkins that release pollen to fertilize the smaller female flowers. Because it has both types of flowers on the same tree, the American Beech is classified as monoecious.
Surveyors: 
Daniel Torres-Santana and Patrick Wahlig
Location
Area: 
Prospect and Sachem
Collected Data
Tree shape: 
Round
Date of tree entry: 
02/03/2026
Height: 
6.10 m
Diameter at breast height: 
22.21 m

Bark
The American Beech Tree's bark is smooth and gray.
Twigs & branches
The branches and twigs of this American Beech tree are thin and smooth, with a light gray color that matches the tree’s bark. In this image, the twigs extend outward in a slightly zigzag pattern, giving them a delicate, almost wiry appearance. At the tips of the twigs are long, narrow buds that are sharply pointed and brown in color. These buds are a distinctive feature of the American Beech and will eventually open to form new leaves in the spring. The overall structure of the twigs appears flexible yet sturdy, allowing them to withstand winter conditions while preparing for new growth.
Foilage
Image of the American beech in early spring, just beginning to leaf out. Small, light green leaves are emerging from its long, pointed buds, while the smooth gray bark and fine branching pattern are still clearly visible before the canopy fully fills in.
Reproductive Structures
American beech produces small, inconspicuous flowers in spring. Male flowers hang in round clusters, while female flowers are smaller and develop into the spiny burs that contain beechnuts
Fruit
American beech produces small triangular nuts called beechnuts, typically in pairs within a spiny outer husk (bur). The husks split open in fall, releasing the nuts, which are an important food source for birds and mammals such as squirrels, deer, and bears.
Seasons
  • American Beech Tree in the Winter (2/3/26)
  • American Beech Tree in the Spring (4/14/26)
Research
Natural range of distribution: 
Habitat: 
The American Beech is a species found in New England forests. In New Haven, it thrives in deep, rich, moist, but well-drained acidic soils. It is also famously shade-tolerant, allowing it to dominate the forest understory until it reaches the canopy. Due to its shallow roots and thin bark, it is highly sensitive to soil compaction and fire.
Origin, history, and uses: 

The American beech (Fagus grandifolia) is native to eastern North America, where it has long been a dominant tree in mature forests. Indigenous peoples used beechnuts as a food source and valued the tree for its strong, workable wood. Today, American beech is commonly used for furniture, flooring, and tool handles, and it remains an important species for wildlife, providing nuts that feed birds and mammals.

Phenology: 
American beech leafs out in spring, typically between April and May, with flowers appearing at the same time as the leaves. The tree produces small nuts (beechnuts) that mature in late summer to early fall. Leaves turn a golden bronze in autumn and often remain on young trees through the winter.
References: 

New England Forestry Foundation. (n.d.). Meet the American beech.
https://newenglandforestry.org/meet-the-american-beech/

Ohio Department of Natural Resources. (n.d.). American beech (Fagus grandifolia).
https://ohiodnr.gov/discover-and-learn/plants-trees/broad-leaf-trees/american-beech-fagus-grandifolia

Oregon State University. (n.d.). Fagus grandifolia.
https://landscapeplants.oregonstate.edu/plants/fagus-grandifolia

U.S. Forest Service. (n.d.). American beech (Fagus grandifolia) – Tree Atlas. Northern Research Station.
https://www.fs.usda.gov/nrs/atlas/tree/531

ResearchGate. (2017). Present geographic distribution of the American beech [Figure].
https://www.researchgate.net/figure/Present-geographic-distribution-of-the-American-Beech-This-map-was-created-using-ArcGIS_fig1_317168256

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Media and Arts
Shrub Canopy Area: 
7.50sq.m.