Details of...
Scientific Name: Nyssa sylvatica
Pronunciation: NY-suh sil-VAT-ee-kuh
Common Name: black gum
Family Name: Nyssaceae
Plant Type: Tree - deciduous
Key ID Features: Leaves alternate, mostly elliptic to oblanceolate, margins entire (rarely toothed), about 4 cm wide x 10 cm long. Winter ID: Light green, chubby buds, rough lenticels, irregular growth habit often with drooping lower branches.
Course(s): HORT 2355

Habit: Spreading
Form: Oval - vertical, Pyramidal - widely
Texture: Medium
Mature Size:
Height:15 - 22m
Spread:7 - 10m
Growth Rate:Moderate
Origin: Canada - eastern, U.S. - northeast
Hardiness Rating: Zone 5: (-29 to -23 C)
Exposure: Full sun, Part sun/part shade, Sheltered
Soil/ Growing Medium: Acidic, Well-drained
Landscape Uses: Attract birds, Specimen plant
Additional Info: Google
black gum
Leaf Morphology: Glossary
Form: Simple
Arrangement: Alternate
Texture/ Venation: Pinnate venation
Surfaces: Glabrous, Glandular hairs
Colour in Fall: Orange, Red
Leaf(let) Terms:
Shapes: Elliptic, Obovate, Ovate
Apices: Cuspidate
Bases: Attenuate
Margins: Dentate, Entire, Undulate (wavy)
Additional Info: Spectacular fall colour, underside downy when young

Inflorescence Type: Flowers clustered
Flower Morphology:Dioecious plant
Number of Petals:5
Corolla Shape:Campanulate
Ovary Position:Inferior
Colour (petals): Not showy, Green-yellow
Flower Scent: None
Flower Time at Peak: Apr, May

Fruit Type: Drupe
Fruit Colour: Blue, Black
Fruiting Time: Sep, Oct
Additional Info: Fruit insignificant

Bark Morphology: Plated
Bark or Stem Colour: Dark Grey, Brown, Black
Leaf Bud Type: Ovoid
Leaf Scar Shape:Crescent shaped

Propagation: Seed, Softwood cuttings
Pest Susceptibility: Dieback, Fungal leaf spot, Galls, Heart rot, Leaf miner insect, Mites, Rust, Scale insects, ( Pest resistant, Disease resistant )
(BCE) Boulevard (Circular) Eastend : planted fall 2017
(TFL) Turf Field Lab
(TFLE) Turf Field Lab East
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