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Dendrology > Final > Flashcards

Final Flashcards

1
Q

The heath family is

A

Ericaceae

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2
Q

Ailanthus altissima

A

Tree of Heaven

Invasive species from China. Planted to reclaim degraded landscapes but pushes out native species. Difficult to eradicate and very widespread.

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3
Q

Rules governing authority citations

A

Abbreviated if longer than one syllable
Never underlined or italicized
Refers to person who named the plant, not who discovered the plant

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4
Q

Sapindus drummondi

A

Western soapberry

Fruits used for soap substitute for washing clothes
Used for making baskets

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5
Q

How does one become the authority on a plant name?

A

You must have validly and effectively published the plant name

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6
Q

Which two Betulaceae species are natural sources of wintergreen flavoring

A

Black and Yellow birch

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7
Q

These 2 species are an important timber crop in the Lake States

A

P. tremuloides and P. grandidentata

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8
Q

Rhamnus purshiana

A

cascara buckthorn

the plant was christened (cascara sagrada) or sacred bark

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9
Q

This member of the Fabaceae family has simple leaves

A

C. canadensis

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10
Q

Persimmon is a member of this family

A

Ebenaceae

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11
Q

Sassafras

A

Original source of root beer flavor

Polymorphic Leaves

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12
Q

Red Oaks

A 
Leaf lobes pointed, bristle tipped
Acorns mature in two years
Inner acorn wall pubescent
Wood lacking tyloses
Seed bitter
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13
Q

This genus has flattened petioles

A

Populus

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14
Q

Krugiodendron ferreum

A

leadwood

found in southern Florida

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15
Q

Juglandaceae
Nut Comparisons
Juglans-
Carya-

A

Nut corrugated, Nut smooth

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16
Q

Most Rosaceae have perfect flowers, meaning they are ________.

A

synoecious

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17
Q

Northern wetland ash species

A

Black Ash

Sacred to Native Americans
Basket weaving and crafts

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18
Q

Range of Boxelder

A

Stream and riverbanks, floodplains, swamp margins, and moist upland slopes.

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19
Q

Full scientific name is composed of

A

Generic name
Specific epithet
Authority

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20
Q

Tilia Americana wood is commonly used for

A

window blinds and carving

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21
Q

Pecan Hickories

A 
Mostly > 7 leaflets
Winged Fruit (ridges on husk)
Valvate bud (meeting at the edges (bud scales) not overlapping)
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22
Q

White Oaks

A 
Leaf lobes rounded, lacking bristle tips
Acorns mature in one year
Inner acorn wall glabrous
Wood with tyloses
Seed sweet
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23
Q

True Hickories

A

Mostly 7 leaflets or <
Unwinged fruit
Imbricate (overlapping bud)

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24
Q

The two most important families for human food production

A

Rosaceae and Fabaceae

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25
Q

This is the largest southern red oak species

A

Q. shumardii

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26
Q

Ilex opaca

A

American Holly, Commonly used for winter holiday decorations

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27
Q

Bee gums are

A

bee hives made from hollow logs

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28
Q

American basswood buds are

A

pillow shaped and reddish

29
Q

Ilex mucronatus

Genus formerly Nemopanthus

A

Mountain Holly

30
Q

Rules governing specific epithets (species)

A 
Always in Latin
Should not be capitalized
Underlined or italicized
Used once per genus
May be descriptive or commemorative
31
Q

The most shade tolerant Betulaceae species listed below is

A

Betula alleghaniensis

32
Q

Rules governing generic (genus) names

A 
Always in Latin
Singular
Always capitalized
Underlined or italicized
Used once per kingdom
abbreviated if used frequently
33
Q

Ulmus rubra

A

Red or Slippery Elm

Bark is a thirst quencher

34
Q

Major problem for ash species

A

Emerald Ash Borer (EAB)

35
Q

Sourwood is so named because

A

chewed leaves have a sour taste

36
Q

Synoecious

A

Flowers on a plant are all perfect

37
Q

Varieties are indicated with a ______

A

VAR

38
Q

Monoecious

A

Unisexual flowers on each plant

Corn is a monoecious plant

Most trees are monoecious

39
Q

The most widely distributed tree in North America is

A

Quaking Aspen

40
Q

Range of Northern Catalpa

A

Alluvial forests, base of bluffs, and riverbanks

41
Q

Juglandaceae
Husk Comparisons
Juglans-
Carya-

A

Indehiscent husks, Husk dehiscent

42
Q

Range of Silver Maple

A

Damp bottomlands, floodplains, swamps, and moist mountain coves

43
Q

Which Fabaceae species has poisonous seeds and pod pulp

A

G. dioicus

44
Q

Choose the most shade tolerant species

A

Flowering dogwood

45
Q

Salix nigra is an important lumber species in

A

Southeastern US

46
Q

This species produce cyanide-related compounds when leaves wilt, which can make livestock sick.

A

Prunus serotina

47
Q

Dioecious

A

One sex per plant—its either male or female—not both.

You need two separate trees to reproduce

48
Q

White ash is ________ in shade tolerance.

A

intermediate

Strong, moderately dense, flexible
Used for oars and other sports equipment

49
Q

Common names should be _________ or spelled as one word when they imply that the species belongs to a given genus falsely.

A

hyphenated

50
Q

Aesculus genus

A

Opposite leaf arrangement

Leaves are palmately compound, with 5-7 serrate leaflets

51
Q

Rhamnus purshiana

A

cascara buckthorn, bearberry, bitter-bark, chittimwood

52
Q

First question

A

cross timbers

53
Q

One of the most abundant and widespread trees in Eastern NA.

A

Red Maple

54
Q

Paulownia tomentosa

A

Princess Tree, Royal paulownia, Empress-tree

Introduced from China in 1834
Planted for mine spoil reclamation
Cultural value in Japan and Korea
Hope chest is built when a daughter is born

55
Q

Old Ironsides, USS Constitution

A

Hull was built with Live Oak (q. virginiana)

56
Q

Black locust is used for

A

fence posts and fuel wood

57
Q

There are __ species of maple in the U.S. Only __ are of any real importance.

Pollen is highly allergenic, ______ is the worst.

A

14, 7, Boxelder

58
Q

Scrophulariaceae

A

Figwort family comprised of herbs, shrubs, and a few trees.

Medicines, ornamental herbs

59
Q

Catalpa speciosa

A

Northern Catalpa

Wood is moderately soft
Resistant to decay
Fence posts
Unusual whorled leaf attachment

60
Q

Hybrids are indicated by using and ____ in the scientific name.

A

“X”

61
Q

Cultivars are enclosed in ______ quotation marks and are _______. Cultivars are bred by people, not found in nature.

A

Single, capitalized

62
Q

Witch hazel

A

Prized by “water diviners”

63
Q

Black Cherry is a major commercial species in which states

A

Pennsylvania and New York

64
Q

Oleaceae

Olea europaea produces the _____ and _____ oil of commerce.

A

olive, olive

65
Q

Probably the heaviest (specific gravity 1.3) wood grown in the US is from _________.

A

leadwood

66
Q

Rhus is a source of _______

A

honey

67
Q

In Kansas, sugar maples are found on _____ facing slopes near highway 69.

A

north

68
Q

The easiest way to determine the genus of members of the Betulaceae family

A

look at the fruit structure

Dendrology (10 decks)

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