Forestry ID

2nd 9 weeks

ID Test #8• Chestnut Oak Quercus prinus• Live Oak Quercus virginiana• Post Oak Quercus stellata• Southern Red Oak Quercus falcata• White Oak Quercus alba

Chestnut Oak- Quercus prinus• shallowly lobed with 10-

15 rounded lobes on each margin

• Leaves 4-9 inches long and 1.5-3 inches wide

Live Oak- Quercus virginiana

• Rolled leaf margin• Leaves 2-5 inches

long• Evergreen

Post Oak- Quercus stellata• Cruciform lobes

– Shaped like a cross• They are leathery, and

tomentose (densely short-hairy) beneath

Southern Red Oak- Quercus falcata• The leaves generally have

rounded (U-shaped) base• Long, thin, curving (falcate)

tips.• Leaves 6-7 inches long and 4-5

inches wide

White Oak- Quercus alba

– 7-11 lobes per side– Cuneate, or wedge

shaped base– Red fall color– leaves 5-9 inches long

Word Bank for ID Test #81. Sassafras- Sassafras albidum2. Mockernut Hickory- Carya tomentosa3. Sweetbay- Magnolia virginiana4. Persimmon- Diospyros virginiana5. Eastern Hophornbeam- Ostrya virginiana6. Buckeye- Aesculus spp7. Catalpa- Catalpa bignoniodes8. Mimosa- Albizia julibrissin9. Sourwood- Oxydendrun arboreum10. Sumac- Rhus spp.11. Chestnut Oak-Quercus prinus12. Live Oak- Quercus virginiana13. Post Oak- Quercus stellata14. Southern Red Oak-Quercus falcata15. White Oak- Quercus alba

ID Test 9• Water Oak- Quercus nigra• Laurel Oak- Quercus laurifolia• Blackjack Oak- Quercus marilandica• Sawtooth Oak - Quercus acutissima• Willow Oak-Quercus phellos

Water Oak- Quercus nigra

• Water Oak is adapted to wet, swampy areas

• shaped like a spatula being broad and rounded at the top and narrow and wedged at the base

Laurel Oak- Quercus laurifolia

• The leaves are broad lanceolate

• broad and unlobed

Blackjack Oak- Quercus marilandica• The leaves are broad,

and typically flare from a tapered base to a broad three-lobed bell shape with only shallow indentations.

• They are dark green and glossy remain attached to the twigs through the winter after turning brown in the fall

Sawtooth Oak- Quercus acutissima• Heavily serrated• Clustered buds (on tip)

Willow Oak-Quercus phellos

• Lanceolate leaf• Thinner leaf • All acute leaf

Word Bank for ID Test #91. Buckeye- Aesculus spp2. Catalpa- Catalpa bignoniodes3. Mimosa- Albizia julibrissin4. Sourwood- Oxydendrun arboreum5. Sumac- Rhus spp.11. Chestnut Oak-Quercus prinus12. Live Oak- Quercus virginiana13. Post Oak- Quercus stellata14. Southern Red Oak-Quercus falcata15. White Oak- Quercus alba11. Water Oak- Quercus nigra12. Laurel Oak- Quercus laurifolia13. Blackjack Oak- Quercus marilandica14. Sawtooth Oak- Quercus acutissima15. Willow Oak- Quercus phellos

ID Test 10

• Turkey Oak- Quercus laevis• Scarlet Oak- Quercus coccinea• Red Maple- Acer rubrum• Silver Maple- Acer saccharinum• Sugar Maple- Acer saccharum

Turkey Oak- Quercus laevis• Leaves 3-12

inches long, 1-10 inches wide

• 3,5,7 deeply divided bristle tipped lobes

• Leaf usually curved or twisted

• Shaped like a turkey’s foot

Scarlet Oak- Quercus coccinea

• Leaves 3-6 inches long, 2-4 inches wide

• 7-9 lobes that are deeply divided

• bristle tipped lobes

• shiny leaf above

• Leaves and limbs opposite

• 2-5 lobes• Serrated margins• Known for its

brilliant deep scarlet foliage in autumn.

• Rounded Buds

Red Maple- Acer rubrum

Silver Maple- Acer saccharinum• 3-5 lobes that are 4-6

inches long• Deeply divided between

the five lobes.• Silver undersides of the

leaves are exposed in the wind.

• Brilliant yellow and even orange and red colorations in fall

Sugar Maple- Acer saccharum

• Leaves 3.5-5.5 inches long

• 5 lobes• No milky sap• Pointy bud

The fall color ranges from bright yellow through orange to fluorescent red-orange

Word Bank for ID Test #101. Chestnut Oak Quercus prinus2. Live Oak Quercus virginiana3. Post Oak Quercus stellata4. Southern Red Oak Quercus falcata5. White Oak Quercus alba6. Water Oak Quercus nigra7. Laurel Oak Quercus laurifolia8. Blackjack Oak Quercus marilandica9. Sawtooth Oak Quercus acutissima10. Willow Oak Quercus phellos11. Turkey Oak Quercus laevis12. Scarlet Oak Quercus coccinea13. Red Maple Acer rubrum14. Silver Maple Acer saccharinum15. Sugar Maple Acer saccharum

ID Test 11

• American Sycamore- Platanus occidentalis• Honeylocust- Gleditsia triacanthos• Black Locust- Robinia pseudoacacia• River Birch- Betula nigra• Flowering Dogwood-Cornus florida

American Sycamore- Platanus occidentalis

• Leaves are four to nine inches long

• 5 points, star shaped• Wooly when young,

but smooth at maturity

Honeylocust- Gleditsia triacanthos

• The leaves are pinnately compound

• The leaflets are 1.5–2.5 cm and bright green.

• Thorns 3-4 inches long

Black Locust- Robinia pseudoacacia

• Blue-green leaves• Flowers in April• Paired flat thorns

(compared to honeylocust)

River Birch- Betula nigra• The leaves are

alternate, ovate, 1.5-3 in long

• Doubly-serrated margin and five to twelve pairs of veins

• Papery bark

Flowering Dogwood-Cornus florida• Entire leaf margin• The leaves are

opposite, simple, oval with acute tips

• Leaves 3-6 inches long• Turbinate bud

Word Bank for ID Test #111. Water Oak Quercus nigra2. Laurel Oak Quercus laurifolia3. Blackjack Oak Quercus marilandica4. Sawtooth Oak Quercus acutissima5. Willow Oak Quercus phellos6. Turkey Oak Quercus laevis7. Scarlet Oak Quercus coccinea8. Red Maple Acer rubrum9. Silver Maple Acer saccharinum10. Sugar Maple Acer saccharum11. American Sycamore Platanus occidentalis12. Honeylocust Gleditsia triacanthos13. Black Locust Robinia pseudoacacia14. River Birch Betula nigra15. Flowering Dogwood Cornus florida

ID Test 12

• Yaupon-Ilex vomitoria• Paulownia- Paulownia tomentosa

Yaupon-Ilex vomitoria

• Tiny alternate leaves• Also have a coarsely

serrated margin• Substitute for a

boxwood

Paulownia- Paulownia tomentosa

• large heart-shaped to five-lobed leaves 15-40 cm across

• Arranged in opposite pairs on the stem.

• On young growth, the leaves may be in whorls of three

Overcup Oak- Quercus lyrata

• 6 to 10 inches long• roughly oblong in

shape with a highly variable margin that has 5 to 9 lobes

• The underside is white and pubescent.