Week3

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The flashcards below were created by user johnbuckthree on FreezingBlue Flashcards.


  1. leaves have blunt tip
    stipules at node
    stalked buds
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    • Alnus serrulata (finely saw-toothed)
    • Betulaceae (Birch); smooth alder
    • *Fruit: nutlet or samara
    • Fixes Nitrogen!
    • planted in wetland restoration by pushing branches into ground
  2. smooth, fluted (striated) bark
    alt, simple, double serrated, glabrous leaves
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    • Carpinus caroliniana (from Carolina)
    • Betulaceae (Birch); musclewood
    • *Fruit: nutlet (tiny w/ 3-pronged bract)
    • Extremely dense wood
    • used for splitting wedges and tool handles
    • occasionally used in landscaping
  3. heart-shaped leaves
    dark 4" pod w/ points at both ends
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    • Cercis canadensis (from Canada)
    • Leguminosae or Fabaceae (Pea family)
    • *Fruit: legume
    • commonly used in landscaping
  4. shrub in moist soils
    tan pith in light wood
    latex in leaf veins
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    • Cornus amomum
    • Cornaceae; silky dogwood
    • used in wetland restoration
  5. multi-stem
    Leaf accute(sharp)-accuminate(long tapered tip), pubescent both sides
    leaf size varies
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    • Corylus americana (of America)
    • Betulaceae (Birch); hazelnut
    • *Fruit: nut (filbert!)
    • eaten by wild turkey, songbirds, humans
  6. sloppy cobbles on bark
    leaves opposite, pinnately compound, 5-9 leaflets/leaf
    bud looks like phillips head screwdriver
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    • Fraxinus americana
    • Oleaceae; white ash
    • *Fruit: samara
    • dioecious
    • wood valuable commercially for furn, sports equip (hockey sticks, bats), long handled tools (hoes, rakes)
    • beavers eat inner bark (phloem)
    • sometimes used in landscaping

  7. evergreen, lanceolate leaf with sharp serrulate margin
    twigs green for many years
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    • Leucothoe fontanesiana
    • Ericaceae (Heath); dog-hobble
    • sometimes used in landscaping
  8. bark has flat ridges
    symmetric leaf
    hooked samara
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    • Liriodendron tulipifera (bearing tulips)
    • Magnoliaceae (Magnolia); yellow-poplar
    • *Fruit: aggregate of samaras
    • low seed viability (10%)
    • bee tree (dark honey)
    • wood sold as yellow-poplar, used in hardwood plywood, furn, and interior "plys" of pine plywood
    • songbirds eat fruit in winter
    • sometimes used in landscaping
  9. alt. umbrella leaves
    2-3" bud
    encircling stipular scar
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    • Magnolia tripetala (3-petaled)
    • Magnoliaceae (Magnolia); umbrella tree
    • *Fruit: aggregate of follicles
    • songbirds eat red fleshy seeds
  10. ski trails
    fat man wearing beret nut
    sinus doesn't extend 1/2 way from lobe to midvein
    leaves block a lot of light
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    • Quercus rubra (red)
    • Fagaceae; northern red oak
    • *Fruit: nut (acorn w/ flat cap)
    • extremely valuable lumber species (esp. in Western NC)
    • used for molding, furn, floors, pulp.
    • wildlife value similar to other red oaks
  11. evergreen, alt (look whorled) leaves
    distinct bracts around bud
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    • Rhododendron maximum (largest)
    • Ericaceae; rhododendron
    • fruit: capsule
    • foliage and bark poisonous to eat
    • smoke toxic
  12. small alt. leaves looked whorled
    ciliate margins
    broad spacing between branches(I think)
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    • Rhododendron sp.
    • Ericaceae; wild azalea
    • fruit; capsule
  13. shrub
    leaves alt. pinnately compound 5-9 leaflets
    serrate
    fringed stipules
    twigs green for several years
    prickles point backwards
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    • Rosa multiflora (many-flowered)
    • Rosaceae; multiflora rose
    • *Fruit: achene (borne in a red hip)
    • Native to China
    • formerly planted as living fence, but escaped, invasive
    • provides nesting/escape for birds and small mammals
    • hips eaten in winter by deer, game birds, rabbits
    • hips can be brewed into tea.
  14. small tree
    dark "steel gray" bark
    often leaning
    leaves alt. simple, denticulate, fuzzy underneath
    Image UploadBigleaf Snowbell (Styrax grandifolius) barkBigleaf Snowbell (Styrax grandifolius) bark
    • Styrax grandifolius (large-leafed)
    • Styraceae; bigleaf snowbell, storax
    • Fruit: capsule
  15. Flat branches
    tiny, upside-down leaves parallel to twigs
    1" cone looks closed, even when open
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    • Tsuga canadensis (of Canada)
    • Pinaceae; eastern hemlock
    • *Fruit: cone w/ flat scales: ~1" long
    • wood has little commercial value today
    • used in landscaping
    • bark formerly used in tanning leather
  16. hemlock w/ non-flat branches
    1.5" cone
    cone looks more open when open (90 deg. scales)
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    • Tsuga caroliniana (of Carolina)
    • Pinaceae; Carolina hemlock
    • *Fruit: cone w/ flat scales, ~1.5" long
    • almost exclusive to western NC
  17. hemlock from west
    • Tsuga heterophylla (variously leaved)
    • Pinaceae; western hemlock
    • *Fruit: cone w/ flat scales (similar to eastern hemlock)
    • fast growing conifer in Pacific NW and inland Empire
    • wood commercially valuable: lumber and pulpwood
    • grown in plantations

Card Set Information

Author:
johnbuckthree
ID:
33872
Filename:
Week3
Updated:
2010-10-11 22:59:36
Tags:
Week
Folders:

Description:
Lake Johnson II: higher fertility/moisture sites at Lake Johnson
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