Plant List #12: Invasive Species Flashcards
What is the family name of the Dwarf Arctic willow?
Salicaceae
What is the binomial name of Dwarf Arctic willow?
Salix purpurea ‘Nana’
How tall does the Dwarf Arctic willow grow?
7 feet
What are the uses of Salix purpurea ‘Nana’
Mass plantings, rear border, slope/erosion stabilizations
What is the family name of the Common reed?
Poaceae
What the binomial name of Common reed?
Phragmites australis
How tall does the common reed grow?
12 feet
What are the uses of Common reed?
Very common in ditches and streams. European strain is highly invasive and used for paper, biofuels etc.
What is the family name of Lily-of-the-valley?
Asparagaceae
What is the binomial name of Lily of the valley?
Convallaria majalis
How tall does Lily of the valley grow?
12 inches
What plant on this list can tolerate full shade?
Lily of the valley
English ivy
Sweet woodruff
Japanese spurge
What is the use of Lily of the valley?
Groundcover for shade and under trees. Avoid near natural areas
What is the family name of the Manitoba maple?
Sapindaceae
What is the binomial name of Manitoba maple?
Acer negundo
How tall does Manitoba maple grow?
50 feet
What problems does Manitoba maple have?
Attracts boxelder bugs (invades houses in fall), grows fast but has week wood and is very scraggly
What is the family name of the Tree of heaven?
Simaroubaceae
What is the binomial name of the Tree of heaven?
Ailanthus altissima
How tall does the Tree of heaven grow?
80 feet
Which plant on this list is highly adaptable to pollution?
Tree of heaven
What are the problems of the Tree of heaven?
Grows fast, brittle, weak wood, grows in concrete cracks, allelopathic
What is the family name of English ivy?
Araliaceae
What is the binomial name of English ivy?
Hedera helix
How tall can English ivy grow?
80 feet
What are the uses of English ivy?
Groundcover, naturalizer
What is the binomial name of European buckthorn?
Rhamnus cathartica
What is the family name of European buckthorn?
Rhamnaceae
How tall does European buckthorn grow?
25 feet
Which plant on this list must not be planted?
European buckthorn
What is the binomial name of sweet woodruff?
Galium odoratum
What is the family name of the sweet woodruff?
Rubiaceae
How tall does sweet woodruff grow?
12 inches
What are the uses of sweet odoratum?
Groundcover, herb garden, rock garden, edging
Which plant on this list requires moist and slightly acidic soil?
Sweet woodruff
What is the binomial name for Japanese spurge?
Pachysandra terminalis
What is the family name of Japanese spurge?
Buxaceae
How tall does Japanese spurge grow?
12 inches
What is the use for Japanese spurge?
Groundcover for shade, under trees with vigorous roots, avoid near natural areas
What is the binomial name of Russian olive?
Elaeagnus angustifolia
What is the family name of Russian olive?
Elaeagnaceae
How tall can Russian olive grow?
20 feet
What is the use of Russian olive?
Useful along highways, roads, but invasive otherwise. Has thorns
Which plant on this list is salt and drought tolerant?
Russian olive
What is Toronto’s new Hardiness zone?
7a