Test 2 Trivia Questions Flashcards
which is the most hardy birch?
betula nigra
which birch has white exfoliating bark
betula papyrifera
which birch doesn’t do well in ontario? why?
betula pendula–> drought intolerant
what fall colour do all the birch trees have in common?
yellow
what is teh fall colour of carpinus caroliniana? carpinus betulus ‘Fastigiata?
red/ orange, yellow
what is the only tree studied that prefers alkaline pH?
catalpa speciosa
what flower colour does catalpa speciosa get? fragrant? when?
- white flowers with yellow and purple , fragrant, June
bark of Carpinus caroliniana ?
smooth grey stripped
which of the birch trees is multi- stemmed
Betula nigra
what conditions is Catalpa speciosa tolerant of?
drought and deer
what leaf structure does Celtis occidentalis have?
- base of leaf ireegular, alternate leaves on branch
what does bark of celtis occidentalis look like? fruit?
textured, corky , small purple fruit
what conditions is Celtis occidentalis tolerant of?
urban
what flowers does Crataegusx mordenensis ‘Toba’ look like? trunk? fruit?
- double white pink, spring, fragrant
- twisted trunk
- red berries fall
what tree contains flower with 3 lobes in and out?
Asminia triloba
which tree has plum- like fruit?
Asimina triloba
what fall colour do you expect from Crataegusx mordenensis ‘Toba’
yellow
what does foliage, flowers and fruit look like of Elaeagnus angustifolia?
- silver, fuzzy
- fragrant yellow
- olive- like
what conditions is Elaeagnus angustifolia tolerant of?
-salt, drought, deer
which tree is part of a rare tropical family in ON ? what family is this
Asimina triloba
Annonaceae
what pests effect Fern leaf beech?
Fagus sylvatica var heterophylla ‘Aslpenifolia’
wooly aphid
what do buds of Fagus sylvatica var heterophylla ‘Aslpenifolia look like?
long skinny
what tree was used to make Louisville slugger bats?
- Fraxinus americana ( White Ash)
what is the hardiest ash? what conditions can it grow in?
Fraxinus pennsylvanica
high pH, salt, drought, wind, sterile soil
what is the easiest magnolia to grow?
Magnolia x soulangeana
what are 4 diseases that effect Magnolia x soulangeana
black mildew, dieback, leaf blight, leaf spot, dieback
what tree has heart shaped leaves and purple- pink flowers that extend trunk- branch in spring?
Cercis canadensis
what tree might you find carvings on?
Fagus grandifolia
what trees hold their leaves in winter
fagus grandifolia
quercus rubra
quercus robur ‘Fastigiata”
what conditions is fagus grandifolia tolerant of? intolerant?
- deer and black walnut tolerant
- urban intolerant
what ash if proposed to be resistant of emerald ash borer and therefore proposed to replace fraxinus americana
fraxinus quadrangulata
what habitat does fraxinus quadrangulata thrive in?
river edge, fine sand and silt soil
what tree is maintenance free?
gleditsia triacanthos var inermis
what culture does Gleditsia triacanthos thrive in?
full sun, alluvial soil
what tree studied is the only one with a double compound leaf?
Gymnocladus dioicus
what are the 2 ancient trees studied?
Metasequoia glyptostroboides
Ginkgo biloba
what are the 2 deciduous conifers studied?
Metasequoia glyptostroboides
Taxodium distichum
what conditions is Metasequoia glyptostroboides NOT tolerant of?
drought, wind
what are 2 pests that effect Metasequoia glyptostroboides
canker, Japanese beetle
what growing conditions can Morus alba ‘Pendula’ survive in?
- any pH
- drought
- salt/ urban
- full- part sun
what pests effect Morus alba ‘Pendula’(4)
witches broom, blight, leaf spot, powder mildew
which trees natural habitat is the mountains of Iran
Parrotia persica
growing conditions of Parrotia persica?
full sun- shade, well drained loamy acidic
pests of Parrotia persica?
pest free
what trees studied considered multi seasonality? (4)
Prunus sargentii Metasequoia glyptostroboides Syringa reticulata 'Ivory silk' Parrotia persica stewartia sinesis
what does Prunus sargentii NOT tolerate?
- pollution
what growing conditions does Pyrus calleryana ‘Glens form’ tolerate?
pollutant, poor soil
what hort use does Pyrus calleryana ‘Glens form’ have?
ornamental, tall narrow spaces
what culture does Salix alba ‘Tristis’ thrive in? Die in?
- full sun, moist
- NOT chalky or shallow
what pests effect Pyrus calleryana ‘Glens form’
fire blight
what pests effect Salix alba ‘Tristis’?
many; canker, leaf spot, twig blight, scab, powd mildew ect
what 2 things must you be careful of when planting Salix alba ‘Tristis’?
- avoid water lines- water appetite
- avoid street- winter damage (fast growing = weak branches)
what growing conditions can Syringa reticulata ‘Ivory Silk’ Survive in?
- pH adapatable, pollutant tolerant
- full sun
Syringa reticulata ‘Ivory Silk’ pests?
many; blight, leaf spots, ring spot virus, powd mildew
what is culture and natural habitat of Juglans nigra?
- sandy soil
- flood plains
uses for Juglans nigra? Pre cautions?
- carpentry tree
- strong winter silhouette
- excudes toxin –> not friendly
- fruit stains patios –> messy
what culture does Liriodendron tulipifera grow in?
any –> not fussy
pests of Liriodendron tulipifera
none serious
natural habitat of Nyssa sylvatica
dry mountain ridges, swamps
what conditions does Nyssa sylvatica thrive? intolerant?
- well drained, slightly acidic, full- semi sun, sheltered
- not wind , high pH , pollutant tolerant?
Nyssa sylvatica pests?
largely problem free
Populus deltiodes culture?
hardy –> anywhere but best in moist waterways
-pollutant and salt tolerant
populus deltoides pests?
canker and leaf problems
which oak has thin narrow pointy leaves, light brown shallow acorns?
Quercus palustris
which oak has unique horizontal branching?
Quercus palustris
what is growing conditions can Quercus palustris tolerate?
urban, standing water but prefers acidic
which oak trees natural habitat is wet areas/ swamps?
Quercus palustris, Quercus bicolour
which oak tree natural habitat is sandy, dry ridges/ climax forest
Quercus rubra, Quercus macrocarpa, Quercus alba
what is considered one of the best commercial oaks?
Quercus palustris
which oaks might you find leaves retained over winter?
Quercus robur ‘Fastigiata’
Quercus rubra
which oaks have red fall colour?
Quercus palustris
Quercus rubra
Quercus alba
which oaks have insig fall colour?
Quercus robur ‘Fastigiata’
Quercus bicolour
Quercus macrocarpa
which oaks have many pests?
Quercus palustris
Quercus alba
which oaks have minor pest problems?
Quercus robur ‘Fastigiata’
Quercus rubra
Quercus bicolour
Quercus macrocarpa
what growing conditions does
Quercus robur ‘Fastigiata’ thrive?
any pH, full sun, welldrained
which oaks would you use in commercial/ residential setting?
Quercus robur ‘Fastigiata’
Quercus palustris
Quercus rubra
Quercus macrocarpa
which oaks would you use in a natural landscape?
Quercus alba
Quercus bicolour
Quercus macrocarpa
what pests effect Quercus robur ‘Fastigiata’
aphids, inter veinal chlorosis
which oak tree easily blemishes so isn’t ideal for residential use?
Quercus alba
what growing conditions does Quercus bicolour thrive in? die?
- wet acididc –> can adapt to dry
- NOT urban tolerant
Quercus bicolour pests
gall, leaf miner, chlorosis
which is the most drought resistant oak?
Quercus macrocarpa
which is the only oak studied that has fast growth rate?
Quercus rubra
what growing conditions does Quercus rubra thrive in?
- well drained loam acidic–> any soil
- full sun
what is a good tree to avoid erosion?
rhus typhina
which tree studied reseeds via suckers?
rhus typhina
sassafras albidum
what pests effect Sorbus aucuparia
sawfly, borer
where does Sorbus aucuparia occur naturally?
roadsides, rocky ridges, swamp edge
where does Robinia pseudoacacia grow?
anywhere but extremely wet
what are some hort uses for Robinia pseudoacacia ?
parks and areas with poor soil –> not residential = twig litter
what tree has mitten leaves?
Sassafras albidum
what growing conditions does Sassafras albidum prefer?
sandy soil –> cant grow in London because limestone soil
what growing conditions does stewartia sinensis prefer?
full sun, moist well drained acidic
what culture does Taxodium distichum not tolerate?
dry
what is unique about tilia cordata seed?
has specialized leaf part of cluster
conditions Tilia cordata is tolerant of?
urban
what tree was proposed to replace Ulmus american as a street tree?
- Zelkova serrata
what growing conditions is zelkova serrata toelrant of?
- high pH
- pollutant, wind, drought tolerant
