Scientific Name:
Salix purpurea
'Nana'
Pronunciation:
SAY-licks pur-PUR-ee-uh
Common Name:
dwarf arctic willow, purple willow, purple osier
Family Name:
Salicaceae
Plant Type:
Shrub - deciduous, Tree - deciduous
Key ID Features:
New twigs purpish; leaves alternate, narrow, mostly elliptic, bluish green, 5- 7(-10)cm long x 4-8mm wide; catkins from April to May; catkins purpish. Winter ID: twigs dark red to purplish, round; buds alternate, strongly appressed, conical, 2-3 mm long.
Habit:
Twiggy, Upright
Form:
Oval - horizontal
Texture:
Fine
Mature Height:
1.3 - 2.0m
Mature Spread:
1.5 - 2.0m
Growth Rate:
Fast
Origin:
Central / west Asia, Europe (Naturalized In BC)
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Full sun only if soil kept moist, Part sun/part shade
Soil/Growing Medium:
Landscape Uses:
Erosion control, Mixed shrub border
Additional Info:
Google. Compare to sanbar willow (was on campus - QRR).
Leaf Morphology:
Form:
Simple
Arrangement:
Alternate
Texture/Venation:
Soft flexible, Pinnate venation
Surfaces:
Glabrous
Colour in Summer:
Bluish, Green
Colour in Fall:
Yellow
Shapes:
Elliptic, Lanceolate
Apices:
Acuminate
Bases:
Attenuate
Margins:
Entire, Serrulate
Inflorescence Type:
Catkin (ament)
Flower Morphology:
Dioecious plant
Number Of Petals:
0
Colour (petals):
Not showy, Green, Purple, Silver
Flower Time at Peak:
Mar, Apr
Fruit Type:
Capsule
Fruit Colour:
Brown
Fruiting Time:
Jun, Jul
Additional Info:
Not showy
Bark Morphology:
Smooth
Bark or Stem Colour:
Grey, Red
Leaf Bud Type:
Conical (long-pointed)
Leaf Scar Shape:
U-shaped
Organ Modifications:
Ectomycorrhizae, stipules usually absent
Pest Susceptibility:
Aphids or adelgids, Fungal leaf spot (Pest resistant, Disease resistant)
Course(s):
- HORT 2355
Location(s):
- (BCE) Boulevard (Circular) Eastend : iving fence - confirm ID - not cv. Nana
- (FSC) Far South Campus : confirm ID
- (ONW) Overpass North side West