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Weed Identification

blackgum

Family

Nyssaceae

Scientific Name

Nyssa sylvatica

Other Common Names:

pepperidge
tupelo-gum
tupelo
sourgum

Synonyms (former Scientific Names):

Nyssa sylvatica var. typica
Nyssa sylvatica var. caroliniana
Nyssa sylvatica var. dilatata

Leaves

The simple, alternate leaves are leathery, and densely clustered at the branchlets.

Identifying Characteristics

It is a medium- to large-sized tree, frequently 60 to 80 ft high and 3 to 4 ft in diameter; it typically has dense foliage with a conical crown on a straight trunk

Flower Seed Head

The small greenish white flowers are borne singly or in clusters. The bark is reddish brown and broken into deep irregular ridges and diamond-shaped plates

Where Found

Nyssa sylvatica Marsh., blackgum, grows from Maine west to New York, extreme southern Ontario, central Michigan, Illinois, central Missouri, and south to central Florida. Blackgum is distributed throughout the East and lower Midwest

Growth Habit

woody bush or tree

Thorns or Spines

not present

Approximate Flower Diameter

half dollar

Dominant Flower Color

green

Flower Symmetry

radial symmetery

Leaf Hairs

no hairs

Leaf Shape

oval

Leaf Arrangement

opposite

Leaf Margin

entire

Leaf Structure

simple

Leaf Stalk

shorter than leaf

Stem Hairs

no hairs

Stem Cross Section

round or oval

Milky Sap

not present

Life Cycle

perennial

Ochrea

not present

Plant Type

Tree