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Scientific Name:
Cornus sericea 'Flaviramea'
Pronunciation:
KORE-nus sur-ISS-ee-uh
Common Name:
yellow twig dogwood
Family Name:
Cornaceae
Plant Type:
Shrub - deciduous
Key ID Features:
Shrub multi-stem, shoots green in summer; leaves opposite, dark blue-green, heavily veined, major veins off midrib +/- parallel and curved towards apex, margins slightly rippled; leaves turn red in autumn; flowers tiny, white cymes. Winter ID: shoots smooth, shiny, bright yellow-green; leaf buds stalked, appressed, and valvate.

Habit:
Spreading, Upright
Form:
Oval - horizontal
Texture:
Medium
Mature Height:
2 - 3m
Mature Spread:
4 - 5m
Growth Rate:
Fast
Origin:
Canada - eastern, Garden origin, U.S. - northeast
Hardiness Rating:
Zone 2: (-46 to -40 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Well-drained
Water Use:
Moderate
Landscape Uses:
Attract birds, Erosion control, Fall interest, Group or mass planting, Tall background, Woodland margin
Additional Info:
Google. Also on campus with yellow stems is C. 'Silver and Gold' which has variegated leaves (see separate entry).

Leaf Morphology:
Form:
Simple
Arrangement:
Opposite
Texture/Venation:
Soft flexible, Heavily veined, Pinnate venation
Surfaces:
Glabrous
Colour in Fall:
Orange, Red, Dark-red
Shapes:
Elliptic, Ovate
Apices:
Acuminate
Bases:
Obtuse
Margins:
Entire
Additional Info:
Spectacular fall colour

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

Fruit Type:
Drupe, Edible
Fruit Colour:
White
Fruiting Time:
Aug, Sep
Additional Info:
Showy, Edible,

Bark Morphology:
Smooth, Prominent lenticels, Multi-stem trunk
Bark or Stem Colour:
Olive, Yellow
Leaf Bud Type:
Stalked, Valvate
Leaf Scar Shape:
V-shaped
Organ Modifications:
Runners (or stolons)
Propagation:
Greenwood cuttings, Softwood cuttings, Hardwood cuttings
Maintenance:
Medium
Pest Susceptibility:
Anthracnose, Nematodes, Root rot, Scale insects, Stem borer insects, Thrips (Deer resistant, Rabbit resistant, Drought tolerant)

Course(s):
  • HORT 1155
Location(s):
  • (ONW)  Overpass North side West
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