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Dendrology > Buds & Nuts > Flashcards

Buds & Nuts Flashcards

1
Q
A

Black Walnut

Juglans nigra

Walnut Family

Buds are light brown and covered in short fuzz, the terminal bud round to oval and slightly flattened

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2
Q
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Black Walnut

Juglans nigra

Walnut Family

Buds are light brown and covered in short fuzz, the terminal bud round to oval and slightly flattened

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3
Q
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Black Walnut

Juglans nigra

Buds are light brown and covered in short fuzz, the terminal bud round to oval and slightly flattened

Leaf scars are more or less Y or heart-shaped with a notch at the tip

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4
Q
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Ohio Buckeye

Aesculus glabra

Horse Chestnut Family

Terminal buds very large, ½+ inch long, smaller below, egg shaped with a pointed tip. Bud scales are also egg-shaped with pointed tips, dull, light brown colored, and the tip edge slightly spreading

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5
Q
A

Ohio Buckeye

Aesculus glabra

Horse Chestnut Family

Terminal buds very large, ½+ inch long, smaller below, egg shaped with a pointed tip. Bud scales are also egg-shaped with pointed tips, dull, light brown colored, and the tip edge slightly spreading

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6
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Ohio Buckeye

Aesculus glabra

Horse Chestnut Family

Fruit is a fleshy, globular capsule, 1½ to 2 inches diameter, golden brown, the surface leathery and covered in short spines, though may be just bumpy rather than spiny.

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7
Q
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Black Walnut

Juglans nigra

Walnut Family

These nuts are covered with thick green husks that later become yellowish brown and finally black. The husks are covered with a pimply surface and they are aromatic.

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8
Q
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American Sycamore

Plantus occidentalis

Plane Tree Family

lateral buds are reddish, resinous, with a single, cap-like scale

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9
Q
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American Sycamore

Plantus occidentalis

Plane Tree Family

lateral buds are reddish, resinous, with a single, cap-like scale

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10
Q
A

American Sycamore

Plantus occidentalis

Plane Tree Family

A spherical multiple of achenes borne on a 3 to 6 inch stalk. Each seed is tiny, winged, and 1/2 inch long; maturing in November, disseminating in late winter.

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11
Q
A

American Sycamore

Plantus occidentalis

Plane Tree Family

A spherical multiple of achenes borne on a 3 to 6 inch stalk. Each seed is tiny, winged, and 1/2 inch long; maturing in November, disseminating in late winter.

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12
Q
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Boxelder

Acer negundo

Soapberry Family

Terminal buds are light colored with hair, lateral buds are tight to the twig.

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13
Q
A

Boxelder

Acer negundo

Soapberry Family

Terminal buds are light colored with hair, lateral buds are tight to the twig.

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14
Q
A

American Beech

Fagus grandiflora

Fagaceae (Oak or Beech) Family

terminal bud present, slender, 3/4 inch long, sharp-pointed, covered with light brown scales; lateral buds not much smaller than terminal bud.

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15
Q
A

American Chestnut

Castanea dentata

Fagaceae (Beech Oak) Family

buds are orange-brown, 1/4 inch long, covered with 2 or 3 scales (they somewhat resemble a kernel of wheat), buds are set slightly off center from semicircular leaf scar.

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16
Q
A

American Chestnut

Castanea dentata

Fagaceae (Beech Oak) Family

Large, round spiny husk (very sharp), 2 to 2 1/2 inch in diameter, enclosing 2 to 3 shiny, chestnut brown nuts, 1/2 to 1 inch in diameter, mostly round but flattened on 1 or 2 sides ripen in early fall

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17
Q
A

Black Oak

Quercus velutina

Fagaceae (Beech Oak) Family

Buds are 1/4 to 1/2 inch in length, sharp pointed, angled in cross section and have gray-woolly bud scales

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18
Q
A

Black Oak

Quercus velutina

Fagaceae (Beech Oak) Family

Ovoid acorns, 1/3 to 1/2 enclosed in a bowl-shaped cap; cap scales are loosely appressed (particularly loose on edges of cap), light brown and fuzzy

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19
Q
A

Bur Oak

Quercus macrocarpa

Fagaceae (Beech Oak) Family

Quite stout, yellow-brown, often with corky ridges; multiple terminal buds are small, round, and may be somewhat pubescent often surrounded by thread-like stipules; laterals are similar, but smaller.

20
Q
A

Bur Oak

Quercus macrocarpa

Fagaceae (Beech Oak) Family

Acorns are quite large (1 1/2 inches long) and 1/2 enclosed in a warty cap that has a long-fringed margin

21
Q
A

Shagbark Hickory
Carya ovata

Juglandaceae (Walnut) Family

Buds are brown and the terminal bud is very large and hairy with 8 to 10 small brown scales but the inner scales become quite large and colorful as the bud breaks and the leaves are forming.

22
Q
A

Shagbark Hickory
Carya ovata

Juglandaceae (Walnut) Family

leaf scars are raised, 3-lobed to semicircular - best described as a “monkey face” (Typical of walnut family)

23
Q
A

Red Maple

Acer rubrum

Sapindaceae (Soapberry) Family

buds usually blunt, green or reddish (fall and winter) with several loose scales usually present, leaf scars V-shaped, 3 bundle scars, lateral buds slightly stalked, may be collateral buds present

24
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A

Black Willow

Salix nigra

Salicaceae (Willow) Family

25
Q
A

Tulip

Liriodendron tulipifera

Magnoliacea (Magnolia) Family

26
Q
A

Tulip

Liriodendron tulipifera

Magnoliacea (Magnolia) Family

27
Q
A

Tulip

Liriodendron tulipifera

Magnoliacea (Magnolia) Family

28
Q
A

Tulip

Liriodendron tulipifera

Magnoliacea (Magnolia) Family

29
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A

White Oak

  • Quercus alba*
  • Fagaceae (Beech and Chestnut) Family*
30
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A

White Oak

  • Quercus alba*
  • Fagaceae (Beech and Chestnut) Family*
31
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A

White Oak

  • Quercus alba*
  • Fagaceae (Beech and Chestnut) Family*
32
Q
A

White Oak

  • Quercus alba*
  • Fagaceae (Beech and Chestnut) Family*
33
Q
A

Pin Oak

Quercus palustris

Fagaceae (Beech and Oak) Family

34
Q
A

Red oak

Quercus rubra

Fruit is a round to egg shaped to oblong nut (acorn) ½ to just under 1 inch long, with a flat plate-like scaly cap with that barely encloses the base of the acorn, on a short stalk.

35
Q
A

Red Oak

Quercus rubra
there are three or more scales on the winter bud, and they overlap like shingles, with one edge covered and the other edge

red and brown twig color

36
Q
A

Red Oak

Quercus rubra
there are three or more scales on the winter bud, and they overlap like shingles, with one edge covered and the other edge exposed

red to brown twig

37
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A

Red Oak

Quercus rubra

38
Q
A

Eastern Cottonwood

Populus deltoides

39
Q
A

Eastern Cottonwood

Populus deltoides

40
Q
A

Eastern Cottonwood

Populus deltoides

41
Q
A

Eastern Cottonwood

Populus deltoides

42
Q
A

Eastern Cottonwood

Populus deltoides

43
Q
A

Red Oak

Quercus rubra

44
Q
A

White oak

Quercus bicolor

45
Q
A

White Oak

Quercus bicolor

Dendrology (3 decks)

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