Transcript Slide 1

Ben Ferguson
Hackberry
Hackberry, Celtis occidentalis L. , or common hackberry is a
very durable plant but is a threatened species in New
Hampshire.
Classification:
Kingdom – Plantae (Plants)
Subkingdom – Tracheobionta (Vascular plants)
Super division – Spermatophyta (Seed plants)
Division – Magnoliophyta (Flowering plants)
Class – Magnoliopside (Dicotyledons)
Subclass – Hamamelididae
Order – Urticales
Family – Ulmaceae (Elm family)
Genus – Celtis L. (Hackberry)
Species - Celtis occidentalis L. (Common Hackberry)
Shape, Form, Type
The hackberry tree is an ornamental tree fruit bearing tree
and reaches from12 meters to 18 meters. The branches
tend to droop which gives the tree a cylindrical shape.
Figure 1
Bark
The bark of the hackberry tree is grayish in color and are
warty in appearance.
Figure 2
Twig
The twigs of the hackberry tree have a
zigzag appearance to them.
Figure 3
Leaf
The leaves of the hackberry tree are alternate, simple,
sharply toothed, and 7 to 12 cm long. They are dark
green with pale green beneath.
Figure 4
Bud
Figure 5
The buds are small, triangular in
shape and tan in color.
Flower
The flowers of the hackberry tree are small and greenishyellow. They emerge in April and May along with the
leaves.
Figure 6
Fruit
Figure 7
The fruit of the hackberry tree are small greenish drupes
that when mature change to dark red black. They
mature in September and October.
Habitat and Range
Hackberry is native to the United States and occurs from
Maine and also Quebec. West to N. Dakota, Wyoming
and Colorado. South to Texas and Georgia.
Figure 8
Uses
Hackberry trees are used as ornamental trees in urban
areas because it is very tolerant. It is also used as
firewood and sometimes used for furniture. Hackberry
trees are also used in erosion control. It’s deep root
system helps prevent soil erosion and it also helps
prevent wind erosion.
References
Images

http://www.google.com/imgres?imgurl=http://www.tree-pictures.com/netleaf-hackberrytree.jpg&imgrefurl=http://www.treepictures.com/hackberry_tree_pics.html&usg=__Tx0_p44hVOJtAKMP3rOKvhS_jjM=&h
=448&w=336&sz=73&hl=en&start=7&itbs=1&tbnid=HuTVakBWnuwUNM:&tbnh=127&t
bnw=95&prev=/images%3Fq%3Dhackberry%2Btree%26hl%3Den%26gbv%3D2%26tb
s%3Disch:1 Figure 1 Retrieved 6/22/10
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http://www.discoverlife.org/IM/I_SB/0309/320/Celtis_occidentalis,Bark,I_SB30990.jpg
Figure 2 Retrieved 6/22/10

http://www.cas .vanderbilt.edu/bioimages/c/wceoco2tw30984.JPG Figure 3
Retrieved 6/22/10
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http://www.cas.vanderbilt.edu/bioimages/biohires/c/hceoco2lf35448.JPG Figure 4
Retrieved 6/22/10
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http://www.uwgb.edu/biodiversity/herbarium/trees/celocc_bud01.jpg Figure 5
Retrieved 6/22/10
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http://www.discoverlife.org/nh/tx/Plantae/Dicotyledoneae/Ulmaceae/Celtis/occidentalis/i
mages/Closeflower.jpg Figure 6 Retrieved 6/22/10
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http://www.cas.vanderbilt.edu/bioimages/biohires/c/hceoco2frdevel35446.JPG Figure
7 Retrieved 6/22/10
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http://plants.usda.gov/java/profile?symbol=CEOC Figure 8 Retrieved 6/22/10
References Cont.
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Information
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http://plants.usda.gov/java/profile?symbol=CEOC
Retrieved 6/22/10
http://plants.usda.gov/plantguide/pdf/pg_ceoc.pdf
Retrieved 6/22/10
http://www.cnr.vt.edu/dendro/dendrology/syllabus/f
actsheet.cfm?ID=26 Retrieved 6/22/10
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