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Scientific Name: Cornus controversa
Pronunciation: KORE-nus kon-truh-VUR-suh
Common Name: giant dogwood
Family Name: Cornaceae
Plant Type: Tree - deciduous
Key ID Features: Tiered branching; leaves alternate (most other dogwood tree have opposite leaves); inflorescence to 18 cm wide with 4 large bracts in early summer. [The variegated giant dogwood tree located at BCE is dedicated to Jack Copeland, an outstanding student who passed way just before his final exams in 2014. Jack was a one of a kind student that gave so much to the program and his fellow students, and this was his favorite tree.]
Course(s): HORT 2355

Habit: Upright
Form: Oval - vertical, Round
Texture: Medium - coarse
Mature Size:
Height:10 - 15m
Spread:10 - 15m
Growth Rate:Fast
Origin: S.E. Asia / Japan / China
Hardiness Rating: Zone 5: (-29 to -23 C)
Exposure: Full sun, Part sun/part shade
Soil/ Growing Medium: Acidic, Humus rich, Well-drained
Landscape Uses: Attract birds, Attract butterflies, Fall interest, Shade tree, Street (boulevard tree)
Additional Info: Google. Cultivars shown may include C. 'Variegata' and C. 'June Snow'.
giant dogwood
Leaf Morphology: Glossary
Form: Simple
Arrangement: Alternate
Texture/ Venation: Heavily veined, Pinnate venation, Soft flexible
Surfaces: Lustrous
Colour in Fall: Purple, Red
Leaf(let) Terms:
Shapes: Elliptic

Inflorescence Type: Floriferous, Corymb-like, Cyme
Flower Morphology:Flowers perfect
Number of Petals:4
Corolla Shape:Cruciform
Ovary Position:Inferior
Colour (petals): Showy, Yellow, White, (cream)
Flower Scent: None
Flower Time at Peak: Jun, Jul

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

Bark Morphology: Smooth, Lightly fissured
Bark or Stem Colour: Brown, Grey

Pest Susceptibility: Fungal leaf spot, Root rot, ( Deer resistant )
(BCE) Boulevard (Circular) Eastend : cv. Variegata, dedicated to Jack Copeland
(BKW) Boulevard Kwantlen Way
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