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22 Cards in this Set

  • Front
  • Back

Liriodendron tulipifera (tulip poplar)

-extremely large 200 ft

-zone 4-8

-often in groves

-attractive in winter


-bark attracts beavers (mast tree/ food)

-valuable timber

-susceptable to: trunk rots if bark is damaged (hollow in old age), minimal foot traffic

Pyrus calleryana (callery pear)

-medium deciduous tree 30'-40' tall

-small fruit, not messy, good fall color

-too monoculture, planted everywhere

-high chilling requirement, blind buds don't break

-dormant in hot summer

-problems: fireblight, narrow crotch angles split with snow/ice

Pyrus communis (common pear)

-20'-30' deciduous

-commercial pear fruit tree

- trained on trellises

-clones vary tremendously in tx adaptability

-problems: maintenance (fruit), fire blight

2 important genera of oak in US

quercus spp. oaks

Quercus spp. (oaks)

-economic, ecological, historical importance

-promiscuous taxa

-problems: oak wilt (ceratocystis fagacearum)(esp on red oak), sudden oak death (in nurseries on west coast),

Quercus acutissima (sawtooth oak)

small acorn

-medium 35'-45'

-mast tree for game birds

-tan/bronze fall

-rapid growth

-neutral/ acidic soil

-wildlife mast tree

- gobbler produces fruit

-drawback: could be invasive. not yet

Quercus nigra (water oak)

-large deciduous shade tree 50'-70'


-pyramid in youth

-extreme taproot (hard to move)

-round crown with age (droop and swoop)

-bottomland species adaptable to upland sites

-tolerates clay soil periodic flooding, rapid grower

-mast species

-prone: chlorosis on high ph soils

- widely used, least desirable

Quercus phellos (willow oak)

willow oak

Quercus falcata (Southern red oak)

zones 6-9

-very large tree

-adapted to ohio river valley south

-sometimes cherry tree barks, pagodifolia

-often selectively logged

Querceus macrocarpa (bur oak)

zone 3-9

-large taproot

-extremely hardy; central canada to northern florida

-good for urban, windfirm, moderate growth rate

-mast tree, large nuts, issue when falling

Quercus muehlenbergii (chinkapin oak)

-likes dry, high ph soils

-med-large deciduous

-moderate growth

-attractive, disease free foliage

-mast tree

zone 5-9

-dry climate oak, humidity causes leaf spot

Quercus polymorphia (monterey oak)

-no problems with leaf spot

-humidity tolerant, useful in SE USA

-evergreen in tropical

-deciduous in temperate blue/green

-usda 8-11

-adaptable to heat, drought, soil types

-medium 35'-45'

-upright oval crowned

Quercus shumardii (shumard oak)

-mast tree

-one of the red oaks

-central tx to south and northeast tx

-usda 4-9

-tx native

-alkaline tolerance from high ph soils

-med-large tree

-street tree

-red fall color with clone

Quercus buckleyi (texas red oak)

zone 6-9

-formerly quercus texana

-western shumard varient

-med/large 30'-50'

diff, native range starts i-35 goes N&W where drought tolerance and alkalinity problem

-smaller, smaller leaves

-more drought and high ph tolerent

-not poorly drained soils (oak wilt)

Quercus rubra (northern red oak)

predominant tyler and up

-northeast US

-zone 3-8

-redfall color important timber

-long straight bale/trunk

quercus palustris (pin oak)

zone 5-8

-important landscape/ forest tree/ east/ central US

-easy transplant/ popular

-pyramidal form (christmas tree style)

-occassional fall color

-most widely planted landscape oak in US

-constant pruning of lower limbs, drooping, swooping

-high ph soil=chlorosis, limits tx use

Quercus stelata (post oak)


-minor importance outside Tx/oklahoma

-med/large 40'-60'

-deciduous shade tree

-important native landscape tree

-very slow grower, old growth forest

-post oak savanah/ old growth forest

-bend tree for trail marks

-hundreds of years old, not readily available

-best substitute for white oak

-must ovoid root disturbance impaction

-don't want irrigation

-establish root protection zones

-tolerates well drained soil, intolerant of wet soil, compaction, disturbance

-1st cousin is the white oak (mast, timber)

Quercus alba (white oak)

zone 4-8

-wine kegs

-sensitive to disturbances

-compaction kills

-slow grower, extensive taproot

Quercus lacey (lacey oak)

-native white oak in Tx

-alkalinity, drought tolerant

-north and west tx

-leaf spot and powdery mildews

sapindus drummondii (western soapberry)

zone 6-9

-med 30'-40'


-tolerent; dry, wet

-berries poisonous

-slow growing

-can be weedy, attractive bark

-moderately well drained, heat, cold, drought, salt tolerent

-new borer

Sassafras albidium (sassafras)

med/ large 30'-60'

-deciduous tree of EN america and east texas

-blue green foliage

-brief flower

-orange. red fall color

-black blue fruit and pink pedicle

-corky bark

-suckers, forms colonies

-sympodial branching (candelabra)

-stratified layered branching

-intolerent: salinity, drought, high ph

Ulmus diseases/ pests/ disabilities

biggest: dutch elm disease

-weak wood

-elm leaf beadle

-bacterial blight

-phloem necrosis

-slime flux (bacterial ooze) damages bark over time