Trees

Question 1

Answer 1

Acer palmatum sp. - Japanese Maple

Leaves 5-7 lobed, serrate
Leaves concolorous, green to red

Question 2

Answer 2

Acer platanoides - Norway Maple

opposite leaves
5-lobed with sharp points

Question 2

Answer 2

Acer rubrum sp. - Red Maple

3-5 lobes

OBSERVATIONS often pyramidal in youth, developes ascending branches, results in irregular, oviod or rounded crown

Question 3

Answer 3

Acer saccharum - Sugar Maple

*Opposite, palmately lobed leaves
*Lobes 5, entire, pentagon outline

Question 3

Answer 3

Acer x freemanii Autumn Blaze / ‘Jeffersred’ - Autumn Blaze Red Maple

Serrated leaves

Question 4

Answer 4

Amelanchier x grand. ‘Autumn Brilliance’ - Autumn Brilliance Serviceberry

Question 4

Answer 4

Betula nigra - River Birch

*bark peels away year round

Question 4

Answer 4

Carpinus betulus ‘Fastigiata’ /’Pyramidalis’ - Upright Hornbeam

Question 5

Answer 5

Cercis canadensis - Eastern Redbud

Small tree with 1-2 main trunks & heart-shaped leaves**

Question 5

Answer 5

Chionanthus retusus - Chinese Fringetree• stem is square

• white fringe-like flowers clustered in long panicles
• multi-stemmed large shrub or small tree

Question 7

Answer 7

Cornus florida - Flowering Dogwood

Leaves not as pointed as Kousa Rounder buds and lighter in color than the “Kousa”

Has seed nut unlike balls with Kousa
Lateral veins ecenly spaced

Question 8

Answer 8

Cornus kousa - Kousa Dogwood

More pointed apex and darker in color than the “Florida”

Has seed balls
Distance between veins changes towards apex
lateral veins evenly spaced except large gap to upper pair

Question 9

Answer 9

Cotinus coggygria - Common Smoketree

Shrub with alternate, simple, purplish leaves with parallel veins
Inflorescence is panicles of smoky pink flowers

Question 9

Answer 9

Crataegus virdis ‘Winter King’ - Winter King Green Hawthorne A small deciduous tree with a rounded, vase-shaped habit which typically grows 25-35’ tall.

Question 11

Answer 11

Cryptomeria japonica ‘Yoshino’ - Yoshino Japanese Cedar

Question 12

Answer 12

Fagus grandifolia - American Beech

Leaves coarsely serrate, bristles at margin

Parallel veins pierce margin

Question 12

Answer 12

Fraxinus pennsylvanica - Green Ash

Opposite, pinnately compound leaves

Stout, gray twigs

Question 12

Answer 12

Ginkgo biloba - Ginkgo or Maidenhair Tree

Question 12

Answer 12

Gleditsia triacanthos var. inermis - Thornless Common Honeylocust

adult leaves pinnately compound
juvenile leaves bipinnately compound

20-30 leaflets per leaf

Question 12

Answer 12

Cupressocyparis leylandii - Leyland Cypress

Question 13

Answer 13

Hamamelis x intermedia - Hybrid Witchhazel

wedge shaped leaves, serrated on top half, 5-8 vein pairs,

Question 14

Answer 14

Juniperus virginiana - Eastern Redcedar

Question 15

Answer 15

Koelreuteria paniculata - Panicled Goldenraintree

Leaves pinnately compound; 6-18 inches long, 7-15 leaflets
Stem has prominent, shield-shaped leaf scars; raised, orange-brown lenticels

Leaflets near leaf base deeply lobed

Question 16

Answer 16

Lagerstroemia indica - Crapemyrtle

*Leaves opposite, alternate or in whorls of 3s

Question 16

Answer 16

**Liriodendron tulipiferia - Tulip Poplar**

Question 18

Answer 18

**Magnolia grandiflora - Southern Magnolia** Stiff, leathery, laurel-like leaves leaves Leaves rusty-brown tomentose below

Question 19

Answer 19

**Magnolia stellata - Star Magnolia**

Question 20

Answer 20

Cryptomeria japonica 'Black Dragon' - Black Dragon Japanese Cedar

Question 21

Answer 21

**Magnolia virginiana - Sweetbay Magnolia** \*\*Evergreen, laurel-like leaves silvery below

Question 23

Answer 23

**Magnolia x soulangiana - Saucer Magnolia** Multi-trunked or main branches low on trunk Leaves have sharply pointed apex Bark is smooth and gray, fragrant when crushed

Question 25

Answer 25

**Malus sp. - Flowering Crabapple** Leaves are serrate; new growth is pinkish-red Fruit is small apple, ripening in fall

Question 27

Answer 27

**Metasequoia glyptostroboides - Dawn Redwood** Deciduous gymnosperms dropping pins Pins opposite, resemble small pinnate leaves

Question 28

Answer 28

**Ouercus shumardii - Shumard Oak** **C shaped lobes in lower part of leaves**

Question 29

Answer 29

**Oxydendrum arboreum - Sourwood** Tree shrublet with laurel-like leaves Leaves minutely serrulate, red in fall

Question 30

Answer 30

**Pinus palustris - Longleaf Pine** Pine tree with elongate needles in threes,

Question 31

Answer 31

**Pinus strobus - Eastern White Pine** Needles bluish-green, isoft, pliable, in fives Gymnosperm tree with branches & twigs whorled Cones narrow cylindrical, scales whiten at apex

Question 32

Answer 32

**Pinus taeda - Loblolly Pine** Needles medium length, in threes. Much softer bounce to needles than the Black Pine

Question 33

Answer 33

**Pinus thunbergii - Japanese Black Pine** Pine tree with no central leader Needles in twos, medium length

Question 34

Answer 34

**Pistacia Chinesis - Chinese Pistachio Leaf arrangement: alternate (Fig. 3) Leaf type: even pinnately compound**

Question 36

Answer 36

**Platanus occidentalis - Sycamore** Leaves alternate, palmately lobed, folded in 3 planes

Question 38

Answer 38

**Prunus caroliniana - Carolina Cherrylaurel** Evergreen lustrus leaves reticulate below

Question 40

Answer 40

**Prunus cerasifera - Cherry or Myrobalan Plum** All purple all year

Question 41

Answer 41

**Prunus serrulata 'Kwanzan' - Kwanzan Japanese Flowering Cherry** biggest leaf of the Cherrys

Question 42

3

Answer 42

**Prunus subhirtella var. pendula - Weeping Cherry**

Question 43

Answer 43

**Prunus x 'Okame' - Okame Cherry** •alternate leaf arrangement smallest leaf of the cherrys

Question 44

Answer 44

**Prunus x yedoensis - Yoshino Cherry** Leaves serrate bearing short-stalked glands

Question 45

Answer 45

**Pyrus calleryana 'Chanticleer' - Cleveland Select Pear or Chanticleer Pear**

Question 45

Answer 45

**Quercus acutissima - Sawtooth Oak** Leaves with parallel veins, each piercing teeth in slender bristle\*\*

Question 46

Answer 46

**Quercus alba - White Oak** Pinnately lobed leaves with entire margins\*\*\* Leaves widest typically at middle, glaucous below

Question 48

Answer 48

**Quercus palustris - Pin Oak**

Question 49

Answer 49

**Quercus phellos - Willow Oak** Leaves willow-like with bristle tip\*

Question 50

Answer 50

**Quercus virginiana - Live Oak** Leathery leaves with downy undersides

Question 52

Answer 52

**Salix babylonica - Weeping Willow** Small tree with weeping, pendulous branches Leaves toothed, linear-lanceolate lLeaves green above, grayish-glaucous below

Question 54

Answer 54

**Sorbus acuparia - European Mountainash, Rowan, Common Mountainash** Tree with pinnately compound leaves Leaflets entire below, toothed above, base asymmetrical\*\*

Question 55

Answer 55

**Taxodium distichum - Bald Cypress** Narrowly to broadly pyramidal when young. Confused commonly with dawn redwood, but distinguished by the alternate lateral pins in 3-D appearance, persistent globular female cones. Dawn redwood has opposite lateral branches in flat planes, conspicuous paired winter buds, and deciduous ellipsoidal female cones

Question 56

Answer 56

**Thuja occidentalis `Emerald' aka 'Smaragd'-Emerald Green Eastern Arborvitae** Tighter growing than the "Green Giant"

Question 57

Answer 57

**Thuja plicata 'Green Giant' - Green Giant Western Arborvitae** Wide at the bottom and narrow at the top

Question 58

Answer 58

**Trachycarpus fortunei - Windmill Palm**

Question 59

Answer 59

**Tsuga canadensis - Canadian Hemlock** Branches in flat planes Linear leaves with 2 glaucous bands below\* Occasional leaf upside down along minor twigs\*\*\* Pendulous ovoid cones from branches

Question 60

Answer 60

**Ulmus parvifolia - Chinese or Lacebark Elm** Inverted pins bearing leaves\*\* leaves asymmetrical, parallel veins

Question 61

Answer 61

**Zelkova serrata - Japanese Zelkova** Veins parallel, each ending in a tooth\* Teeth large, rounded, gland tipped