Biology: Tree identification Flashcards Preview

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Flashcards in Biology: Tree identification Deck (15)
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1
Q

Large tree, usually found near streams.
Bark is distinctive, made of plates that break off to expose patches of white and greenish bark underneath.
1” diameter balls that hang.

A

Sycamore

2
Q

Thick, and dark green, even late in the fall. Bristle tipped, if you can find one that hasn’t been chewed on by a bug. Fruit is an acorn. Found at the edge of forests.

A

Shingle Oak

3
Q

OK, the fruit gives this away, but know the leaves. In the fall, the black spots on the leaves helps. Turns bright yellow in autumn.
Found near edges.
Very blocky bark

A

Persimmon

4
Q

Check the uneven base, double toothing.
Common as a seedling or small tree.
Grows well in many locations, often growing as a seedling where honeysuckle has shaded the oaks.

A

American Elm

5
Q

Often the largest trees in our forest are white oaks.
Rounded lobes on leaves
Seedlings are shade intolerant, do not survive long around honeysuckle

A

White Oak

6
Q

Actually 2 different species with very similar leaves but are easily distinguished by differences in the acorns.
Points on the ends of lobes (unlike white oak)

A

Read/Black Oak

7
Q

Compound, alternate leaves with nuts. There are several species in our forest.
Part of the nut crop.
Dominate indicator in our forests.

A

Hickories

8
Q

Opposite leaves
“U” shape between the lobes
Vibrant color in the fall

A

Sugar Maple

9
Q

Note that there are four shapes often on one branch.
Aromatic
Green twigs
Deep blue berries are eaten early by birds

A

Sassafras

10
Q

Celtis occidentalis
Very knobby “warty” bark
Narrow leaves
Also can be “weedy”, growing in locations where indicator trees are not doing well.

A

Hackberry

11
Q

5 needles per bunch

A

White Pine

12
Q

Quercus palustrus
Deeply lobed leaves
Pin stripes on acorns
Common planted tree in urban areas

A

Pin Oak

13
Q

Liquidamber styraciflua
Star shaped leaves (but careful not the sugar maple).
Gum balls are key signature

A

Sweet Gum

14
Q

Understory tree
Native to Eastern North America
Showy white and pink flowers in early Spring
Red berries in fall.
Opposite, simple leaves with distinctive arching veins.

A

Flowering Dogwood

15
Q

Watch for the peapods on the stem.
Heart shaped leaves
Maximum size is about 20 feet, found in the understory.
Pinkish-Red flowers in April

A

Redbud