Plant List 1a (Broadleaf evergreens) Flashcards
Name 4 characteristics of the Buxaceae family:
- mostly shrubs
- monoecious (M+F on same plant)
- leaves are: leathery, simple, pinnate venation, evergreen
- fruits are capsules or drupes
In this family it is rare to have plants with perfect flowers
Buxaceae
Buxaceae family is also commonly known as:
Boxwood family
Describe the leaf structure and growth habit of Buxus sempervirens ‘Variegata’
-tiny, elliptical or oval,
-dense, compact growth habit
Why shouldn’t you prune Buxus sempervirens ‘Variegata’ and Buxus ‘Green Velvet’ before the last-frost date?
If new growth is produced exposure to a frost will kill the tender shoots
Where shouldn’t you cultivate surrounding Buxus sempervirens ‘Variegata’ and Buxus ‘Green Velvet’?
By the base of the plant as this can damage shallow roots.
Which plants on this list are not salt tolerant?
Buxus sempervirens ‘Variegata’ and Buxus ‘Green Velvet’
Which pest tends to live in boxwoods?
Box tree moth (identifiable by the white webbing in the plant)
Where are Buxus spp. native to?
Europe, N Africa, W Asia
What are 4 characteristics of the Celastraceae family?
- woody plants: trees, shrubs, lianas
- leaves are simple, leathery to the touch, opposite or alternate leaf arrangement.
- flowers not showy, radially symmetric, often greenish,
- fruit is often a colourful capsule,
What is distinct about the Euonymus fortunei cultivars on this list?
they have opposite leaf arrangement
Name the 4 Euonymuses on this list in order of increasing height:
-Euonymus fortunei ‘Coloratus’
-Euonymus fortunei ‘Canadale Gold’
-Euonymus fortunei ‘Sarcoxie’
-Euonymus fortunei ‘Emerald Gaiety’
What is the common name of Euonymus fortunei ‘Coloratus’ ?
Purple Wintercreeper Euonymus
Name the 4 Euonymuses in order of increasing spread
-Euonymus fortunei ‘Coloratus’
-Euonymus fortunei ‘Canadale Gold’
-Euonymus fortunei ‘Emerald Gaiety’
-Euonymus fortunei ‘Sarcoxie’
Where does purple wintercreeper euonymus get its name from?
Its leaves turn purple in winter
What are 4 uses for Emerald Gaiety euonymus?
-erosion control (on slopes)
-foundation
-covering walls and fences (can be a vine if provided with a vertical structural)
-mass planting
3 descriptors of the Emerald Gaiety euonymus leaf:
glossy
deep emerald green with white on outside margins
burgundy tinge in winter
Euonymus fortunei cultivars are susceptible to these pests:
-deer
-euonymus scale
4 uses of Puple Wintercreeper euonymus:
-primarily grown as creeping ground cover
-erosion control
-cover fences and walls
-used for edging alongside paths and sidewalks
3 uses of Sarcoxie euonymus:
hedge
groundcover or vine
loose shrub for mass planting
How can you identify Sarcoxie euonymus
upright growth habit; leaves glossy, oval, dark green, 1” long, partially whitish veins
Buxaceaes do not tolerate:
salt
Which Euonymus fortunei is particularly urban tolerant?
Canadale gold
Which Euonymus fortunei hates moist soils?
Coloratus
