Scientific Name:
Corylus cornuta
var.
californica
Pronunciation:
KORE-ih-lus kore-NEW-tuh variety kal-ih-FORE-nih-kuh
Common Name:
beaked hazelnut, western beaked hazel
Family Name:
Betulaceae
Plant Type:
Shrub - deciduous
Key ID Features:
Leaves alternate, most obovate, 4-14cm long x 2-10cm wide, base rounded, margin toothed and serrate, pubescent undersides; male catkins pendent, 2-5cm long; female flowers like rounded buds with bright pink-red stigmas; nut long husk extending 1-2cm beyond the nut forming the 'beak' (unlike C. avellana).
Habit:
Irregular, Spreading, Upright
Form:
Vase
Texture:
Medium - coarse
Mature Height:
7 - 10m
Mature Spread:
3 - 4m
Growth Rate:
Moderate
Origin:
B.C. west of Cascades, U.S. - northwest, U.S. - southwest
Hardiness Rating:
Zone 5: (-29 to -23 °C)
Exposure:
Full sun only if soil kept moist, Filtered shade
Soil/Growing Medium:
Landscape Uses:
Urban agriculture, Wildlife food
Additional Info:
Leaf Morphology:
Form:
Simple
Arrangement:
Alternate
Texture/Venation:
Soft flexible, Heavily veined, Pinnate venation
Surfaces:
Glabrous
Colour in Summer:
Dark-green
Colour in Fall:
Yellow
Shapes:
Elliptic, Obovate
Apices:
Cuspidate
Bases:
Rounded
Margins:
Double serrate
Inflorescence Type:
Catkin (ament)
Flower Morphology:
Monoecious plant
Number Of Petals:
0
Colour (petals):
Green-yellow, Red
Flower Time at Peak:
Feb, Mar
Additional Info:
male = catkin; female - just red stigmas emerge from flower bud containing 2 or 3 flowers
Fruit Type:
Nut
Fruit Colour:
Green-yellow, Red, Brown
Fruiting Time:
Aug, Sep
Bark Morphology:
Smooth, Multi-stem trunk
Bark or Stem Colour:
Brown
Leaf Bud Type:
Ovoid
Leaf Scar Shape:
Half-round
Organ Modifications:
Ectomycorrhizae
Pest Susceptibility:
Blight or needle cast (Drought tolerant)
