Salix- Willow

Question 1

Salix

Answer 1

Willow

Question 2

Salix trees

Answer 2

Salix pentandra
Salix alba
Salix acutifolia
Salix discolor

Question 3

Salix pentrandra

Answer 3

Laurel- leaf willow

Question 4

Salix alba

Answer 4

White willow

Question 5

Salix acutifolia

Answer 5

Sharp-leaf willow

Question 6

Salix discolor

Answer 6

Pussy willow

Question 7

Salix Shrubs

Answer 7

Salix repens ‘argentea’
Salix salicola “polar bear”
salix exigua- coyote willow

Question 8

Willow

Answer 8

Grows well in high moisture areas
native to low lying wet area; close to water
cattails are indicator plant that water is near soil surface
Another self-pruning’ Genus

Question 9

Willow- dioecious

Answer 9

Female catkins- two sided capsule; releasing seed/winged fluffy seeds
male catkins- yellow/showy(ish), sometimes fluffy

Question 10

Dioecious

Answer 10

Individual male and female

Question 11

Willow - buds

Answer 11

Compound buds
catkins forming with leaves
Primary bud- usually reproductive
secondary and tertiary buds- typically vegetative growth

Question 12

Extrafloral nectaries

Answer 12

nectaries outside of the floral tissue, occur near leaf blade, small bump at base of leaf
maintain pressure in plant and used for secretions

Question 13

Laurel leaf willow

Answer 13

Most popular
multi-trunked
as wide as tall
low and round headed
used in landscaping
can get quite wide
don’t put close to roadways or sidewalks
can often form new growth on old wood- can be maintained by removing them

Question 14

Laurel leaf willow- leaf

Answer 14

Alternate, elliptic-lanceolate acuminate tip, rounded at base
serrate margin
shiny, dark green above; almost leathery looking
no autumn colouration

Question 15

Laurel leaf willow- buds

Answer 15

large, green, pointed towards stem

Question 16

Salix alba ‘sericea’

Answer 16

Siberian White willow

Question 17

Salix alba ‘vitellina’

Answer 17

Golden willow

Question 18

Salix alba ‘chermesina’

Answer 18

Red stemmed willow
not as popular

Question 19

Siberian white willow

Answer 19

Popular for foliage colour, common for landscape
low-medium headed; rounded topped
can get a single trunk
less hardy than the laurel leaf
mostly multi-trunked

Question 20

Siberian white willow- leaf

Answer 20

simple, alternate, lanceolate, acuminate tip, round base
grown for intensely silver leaves
green leaves covered in white hairs
finely serrate margin

Question 21

Golden willow

Answer 21

popular for foliage colour, common for landscape here
very hardy
large
can tolerate high moisture levels
can have a weeping look due to length of new growth
big tree; wide
usually multi-trunked
younger stems quite golden

Question 22

Golden willow- leaves

Answer 22

simple alternate
lanceolate, long acuminate tip, acute base
finely serrate margins
intensely golden new growth- identifiable

Question 23

Sharp leaf willow

Answer 23

medium to large tree; low headed; large trunk
single trunk

Question 24

Sharp leaf willow- bud

Answer 24

alternate buds

Question 25

Sharp leaf willow- leaves

Answer 25

linear- elliptic- lanceolate leaves; finely serrate margins 5-10 cm long; 1.3 cm wide *good indicator* leaves are slightly thinner so shape is a bit different

Question 26

Pussy willow

Answer 26

fuzzy like cats native shrub or tree- depending on where it is grown not commonly used as an ornamental other than floral arrangements

Question 27

Pussy willow -leaves

Answer 27

oblong-narrowly elliptic, serrate young leaves reddish otherwise bright green (pink reddish flush- identifier)

Question 28

Willow- pest

Answer 28

stem galls are very common to numerous native willows either on stem or on new growth willow pinecone gall caused by a midge parasitic response larvae growing in balls

Question 29

Shrubs

Answer 29

leaves look quite different needs good snow cover to survive winters high water requirement

Question 30

Salix salicola "Polar Bear"

Answer 30

Ornamental shrub white "fuzzy" leaves

Question 31

Salix exigua

Answer 31

Coyote willow/sandbar willow (native)

Question 32

Sandbar willow

Answer 32

native found along the river; found near water suckers profusely hence why not common in landscape long linear leaves with very slight serrations used when other things won't grow hard to manage

Question 33

Several shurb willows native to Sask

Answer 33

height to 2 m; width 1 m tomentose leaves opposite buds, curving towards stems always identify them based on buds and consider where they are growing

Question 34

Other willows seen on market

Answer 34

Salix babylonica- weeping willow dwarf weeping willow- kilmarnock willow (more manipulated for specific ornamental planting)