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22 Cards in this Set

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Liriodendron tulipifera (tulip poplar)

-extremely large 200 ft


-zone 4-8


-often in groves


-attractive in winter


-(backyard)


-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'


-6-10a


-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)

zone5-9


-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'


-deciduous


-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