Download Slide 1

Nyssa sylvatica Marsh











Kingdom-Plantae (plant)
Subkingdom-Trachebionta (vascular)
Superdivision-Spermatophya (seed)
Division-Magnoliophyta (flowering)
Class-Magnoliopsida (dicotyledons)
Subclass-Rosidae
Order-Cornales
Family-Cornaceae (dogwood)
Genus-Nyssa L. (tupelo)
Species-N. sylvatica (black gum)
Name- Nyssa sylvatica Marsh
Slow growing, deciduous tree in low wet lands.
30’ to 50’ tall.
20’ to 30’ wide.
Pyramid looking in youth.
Some horizontal branches have little support.
fig. 1
fig. 2
Dark grayish brown in color.
Block-like ridges occurring
on the bark.
fig. 3
fig. 4
Young twigs are reddish brown but become light gray by
the second growing season.
Branches grow many twigs as they get older an get more
spur shoots.
fig. 5
Alternate leaf arrangement.
Simple, oval shaped leaves.
3” to 6” long.
1.5” to 3” wide.
In summer the foliage is dark
green.
fig. 6
In autumn leaves change from
yellow or orange to red or
purple.
fig. 7
Buds are superposed or terminal.
Can be brown, red, or a mixture of
the two.
3-6 mm long.
Oval shaped, either blunt or sharp.
fig. 8
The tree flowers between
March thru June.
Small, greenish white flowers
that can be male, female, or
both.
fig. 9
The fruit ripens in late September.
The fruit comes from female trees only.
Bluish-black and about half an inch long.
Eaten by birds and squirrels.
fig. 10
Native to the Northeast US down to
Florida, as far west as Texas. North to
one province of Canada. Found in bogs,
marshes, and wetlands in low or high
areas.
fig. 11
The Sour Gum is commonly
used as a shade tree or
appreciated for its fall foliage.
Its flowers aren’t especially
ornamental.
They are fire resistant.
fig. 12
All references found
June 21, 2010
Figure reference
fig. 1-Tree. (n.d.). Retrieved from http://www.mobot.org/gardeninghelp/images/low/A6700628056cs.jpg
fig. 2-Black and white tree. (n.d.). Retrieved from
http://plants.usda.gov/java/largeImage?imageID=nysy_011_avp.tif
fig. 3-Tree bark. (2001). Retrieved from
http://www.hort.uconn.edu/plants/n/nyssyl/nyssyl1.html
fig. 4-Tree trunk. (2001). Retrieved from
http://en.wikipedia.org/wiki/File:NyssaSylvaticaTrunk.jpg
fig. 5-Twig. (2001). Retrieved from
http://www.discoverlife.org/IM/I_SB/0151/320/Nyssa_sylvatica,
fig. 6-Leaf. (2001). Retrieved from http://www.hort.uconn.edu/plants/n/nyssyl/nyssyl1.html
fig. 7-Leaves. (n.d.). Retrieved from http://www.cirrusimage.com/Trees/sour_gum_1.jpg
fig. 8-Bud. (2001). Retrieved from
http://www.discoverlife.org/IM/I_SB/0151/320/Nyssa_sylvatica,
fig. 9-Flower. (2001). Retrieved from http://www.hort.uconn.edu/plants/n/nyssyl/nyssyl1.html
fig. 10-Fruit. (2001). Retrieved from http://www.hort.uconn.edu/plants/n/nyssyl/nyssyl1.html
fig. 11-Map. (2010, May 19). Retrieved from
http://plants.usda.gov/java/profile?symbol=NYSY&photoID=nysy_011_avp.tif
fig. 12-Leaves. (2005, March 15). Retrieved from
http://en.wikipedia.org/wiki/File:Nyssa_sylvatica2.jpg
All works referenced found on June 21, 2010
Works refenced
-Missouri botanical garden. (2010). Retrieved from
http://www.mobot.org/gardeninghelp/plantfinder/Plant.asp?code=A670
-Evans, Erv. (n.d.). Nc state university. Retrieved from
http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/treesnew/nyssa_sylvatica.html
-Nyssa sylvatica. (n.d.). Retrieved from http://plantfacts.osu.edu/pdf/0247785.pdf
-Uconn plant database. (2001). Retrieved from
http://www.hort.uconn.edu/plants/n/nyssyl/nyssyl1.html
-Usda plant profile. (2005, may 15). Retrieved from
http://plants.usda.gov/java/charProfile?symbol=NYSY