Plant Materials II - Final Exam

Which of the followings are true about Ulmus glabra?

A. Family: Ulmaceae

B. asymmetrical leaf base

C. fruits are single-seeded wafer-like samaras

A. Family: Ulmaceae

B. asymmetrical leaf base

C. fruits are single-seeded wafer-like samaras

Plants with edible fruit or part(s):

A. Diospyros kaki

B. Diospyros virginiana

C. Ficus carica

A. Diospyros kaki

B. Diospyros virginiana

C. Ficus carica

Plants with showy, bell-shaped, pendulous flowers:

A. Styrax japonicus

B. Styrax americanus

A. Styrax japonicus

B. Styrax americanus

Plants blooms in late winter or early spring:

A. Corylopsis sp.

B. Fothergilla gardenia

C. Hamamelis ×intermedia

A. Corylopsis sp.

B. Fothergilla gardenia

C. Hamamelis ×intermedia

Plants prefer part shade to full shade:

A. Bergenia cordifolia

B. Helleborus orientalis

C. Polygonatum odoratum

D. Iberis sempervirens

A. Bergenia cordifolia

B. Helleborus orientalis

C. Polygonatum odoratum

A species which bares male adn female flowers on seperate plants

Dioecious

Which one of these zones indicates that a plant is the LEAST COLD HARD?
A. 9

B. 7

C. 3

D. 4

A. 9

Juniperus virginiana:

A. Common name: Eastern Redcedar

B. Leaves are needles or scale-like

C. Fruit is a seed cone, dark blue with a whitish bloom

D. Bark exfoliating in long strips

A. Common name: Eastern Redcedar

B. Leaves are needles or scale-like

C. Fruit is a seed cone, dark blue with a whitish bloom

D. Bark exfoliating in long strips

Thuja occidentalis:

A. Common name: Arborvitae

B. Susceptible to winter burn

C. Many Cultivars available with different size and growth habit

D. Leaves are scale-like

A. Common name: Arborvitae

B. Susceptible to winter burn

C. Many Cultivars available with different size and growth habit

D. Leaves are scale-like

Plant(s) with new growth in the spring that is bright bronze/red in color:

A. Pieris japonica

B. Morella cerifera

C. Phontina x fraseri
D. Gardenia jasminoides

A. Pieris japonica

C. Phontina x fraseri

Plant(s) with edible fruit:

A. Eriobotrya japonica

B. Elaeagnus x ebbingii

A. Eriobotrya japonica

B. Elaeagnus x ebbingii

Plant(s) with pinnate leaves:

A. Berberis bealei (Mahonia bealiei)

B. Abelia x grandiflora

C. Pittosporum tobira

C. Nerium oleander

A. Berberis bealei (Mahonia bealiei)

Plants with fragrant flowers:

A. Magnolia figo

B. Gardenia jasminoides

C. Osmanthus fragrans

A. Magnolia figo

B. Gardenia jasminoides

C. Osmanthus fragrans

Plants with needle leaves:

A. Pinus taeda

B. Cunninghamia lanceolate

C. Cryptomeria japonica

D. Prunus laurocerasus

A. Pinus taeda

B. Cunninghamia lanceolate

C. Cryptomeria japonica

Plant(s) with red-colored fruits:
A. Cotoneaster lacteus

B. Berberis bealei (Mahonia bealei)

A. Cotoneaster lacteus

Plant(s) with bluish-colored fruit:
A. Cotoneaster lacteus

B. Berberis bealei (Mahonia bealei)

B. Berberis bealei (Mahonia bealei)

Plant(s) prefer part shade to full shade location:
A. Illicium floridanum

B. Berberis bealei (Mahonia bealei)

A. Illicium floridanum

B. Berberis bealei (Mahonia bealei)

Plant(s) noted as having toxic/poisonous parts:

A. Nerium oleander

B. Prunus laurocerasus

C. Pieris japonica

A. Nerium oleander

B. Prunus laurocerasus

C. Pieris japonica

Plant(s) potentially invasive or weedy:
A. Ligustrum sinense

B. Ligustrum lucidum

C. Prunus caroliniana

A. Ligustrum sinense

B. Ligustrum lucidum

C. Prunus caroliniana

Which of the following are true about Pittosporum tobira:

A. it is an evergreeen shrub or small tree

B. leaf base wedge-shaped, apex rounded, margin revolute

C. simple leaf

D. fruit is capsule

A. it is an evergreeen shrub or small tree

B. leaf base wedge-shaped, apex rounded, margin revolute

C. simple leaf

D. fruit is capsule

Taxus x media is a cross of T. baccata x T. cuspidatat, what type of hybrid is this?

A. Intraspecific
B. Interspecific

B. Interspecific

Which of the following plant has fruit attached to a fleshy receptable?

A. Podocarpus marcophyllus

B. Taxus x media

C. Cephalotaxus harringtonia

A. Podocarpus marcophyllus

What is the common name for Pinus taeda? What is the common name derived from?

Loblolly pine, meaning mudhole in reference to the swampy areas in which this tree often grows.

What is the common name for Pinus densiflora ‘Oculus Draconis’? What is the common name derived from?

Dragon’s-eye, when viewed from above, bands of yellow and green make an eye

What is the primary use of Cupressus sempervirens in the landscape? What is the meaning of sempervirens?

Good specimen around tall buildings

means evergreen

What is the common name of Magnolia figo? What does the common name refer to?

Banana Shrub, banana smell

Two ID features you can use to distinguish Ligustrum lucidum and Ligustrum japonicum

Ligustrum lucidum

• larger (20-25’)

• 6-8 viens

• less cold-hardy

Ligustrum japonicum

• smaller (6-12’)

• 4-6 veins

• more cold-hardy

What is the common name for Photinia x fraseri? What is the common name derived from? What is the name of the disease that this plant is very susceptible?

Red tip Photinia

Red tip foliage
leaf spots

What is the landscape value of Osmanthus fragrans?

Scent

What is the landscape value of Elaeagnus x ebbingei?

Large background plant, screen

Which of the following are true about Cyclamen

A. plants prefer part shade

B. propagate by seeds

C. tuber does not produce offsets

D. plants may self-seed in the garden

A. plants prefer part shade

B. propagate by seeds

C. tuber does not produce offsets

D. plants may self-seed in the garden

Which of the following produce flowers that resemble the face of a bat?

A. Cuphea llavea

B. Cuphea hyssopifolia

A. Cuphea llavea

Which of the following is true about Cleome hassleriana?

A. compound palmate leaves
B. simple leaves

C. spider-like flowers

D. common name: spider flower

A. compound palmate leaves

C. spider-like flowers

D. common name: spider flower

Which one of the following has fan-shaped flowers with 5 fingerlike lobes or petals?

A. Scaevola aeumula

B. Pentas lanceolata

C. Bellis perennis

A. Scaevola aeumula

Which of the following has rounded clusters (corymbs) of star-shaped flowers?

A. Scaevola aeumula

B. Pentas lanceolata

C. Bellis perennis

B. Pentas lanceolata

Which of the following has daisy-like flowers that consist of disk florets, which produce the seeds and showy petal-like ray florets?

A. Scaevola aeumula

B. Pentas lanceolata

C. Bellis perennis

C. Bellis perennis

Which of the following are true about plants in the family Euphorbiaceae

A. milky sap

B. very small flowers

C. have colorful petal-like bracts (modified leaves) borne beneath true flowers

A. milky sap

B. very small flowers

C. have colorful petal-like bracts (modified leaves) borne beneath true flowers

Which of the following are true about Ipomoea alba?

A. fragrant white flowers

B. twisted flower buds

C. flowers open at dusk, remain open all night and close before noon the following day

D. flowers persis only one day

A. fragrant white flowers

B. twisted flower buds

C. flowers open at dusk, remain open all night and close before noon the following day

D. flowers persis only one day

Plants grown mainly for its foliage:

A. Ipomoea batatas

B. Coleus scutellarioides

C. Amaranthus tricolor

D. Jacobea maritima

A. Ipomoea batatas

B. Coleus scutellarioides

C. Amaranthus tricolor

D. Jacobea maritima

Plant with compound leaves and exfoliating, paper like bark

A. Acer griseum

B. Acer pseudosieboldianum

A. Acer griseum

Plants with smooth bark:

A. Carpinus betulus

B. Carpinus caroliniana

C. Acer griseum

A. Carpinus betulus

B. Carpinus caroliniana

Which of the following are true about Pistacia chinensis?

A. In cashew family

B. fruit edible

C. compound leaves

D. dioecious

A. In cashew family

C. compound leaves

D. dioecious

Plant(s) with compound leaves:

A. Fraxinus americana

B. Gleditsia triacanthos

C. Gymnocladus dioica

D. Pistacia chinensis

A. Fraxinus americana

B. Gleditsia triacanthos

C. Gymnocladus dioica

D. Pistacia chinensis

Main difference between a true bulb and a corm?

true bulb contains scales, while a corm does not.

one good ID feature you can use to distinguish most Muscari species (Grape Hyacinth) from the true hyacinths (Hyacinthus sp.)?

The Muscari have smaller flowers than true hyacinths and constricted mouths.

List at least on ID feature you can use to distinguish African marigolds from French marigolds.

French:

• 6”-1’ tall

• smaller flowers

African

• 1-4’ tall

• bigger flowers

List at least one ID feature you can use to distinguish Pelargonium x hortorum (zonal geranium) and Pelargonium pelatum (ivy geranium)

Zonal:

• Some have dark maroon circular bands or zones on leaves

Ivy:

• trailing stems

List at least one ID feature you can distinguish Carpinus betulus and Carpinus caroliniana

Carpinus betula

• curved bud

Carpinus caroliniana

• straight bud

What is the common name for Gleditsia tricanthos var. inermis? What does the variety name inermis refer to?

Thornless Honeylocust

Having no thorns

Plants in the Saxifragaceae family

Bergenia cordifolia (Pigsqueak)

Plants in the Brassicaceae family

Iberis sempervirens (Candytuft)

Plants in the Ranunculace family

Helleborus orientalis (Lenton Rose)

Plants in the Asparagaceae family

Polygonatum odoratum (Solomon’s Seal)

Plants in the Lamiaceae family

Stachys byzantina (Lamb’s ear)

Perovskia atriplicifolia (Russian Sage)

Callicarpa japonica (Japanese Beautyberry)

Plants in the Plantaginaceae family

Veronica sp. (Speedwell)

Plants in the Fabaceae family

Baptisia australis (Blue False Indigo)

Plants in the Asteraceae family

Stokesia laevis (Stokes Aster)

Leucanthemum × superbum (Shasta Daisy)

Plants in the Cannabaceae family

Humulus lupulus (Common Hop)

Plants in the Acanthaceae family

Thunbergia spp. (Thunbergia)

Plants in the Paeoniaceae family

Paeonia suffruticosa (tree peony)

Paeonia lactiflora (herbaceous peony)

Plants in the Caprifoliace family

Lonicera fragrantissima (Fragrant Honeysuckle)

Viburnum plicatum (Japanese Snowball)

Symphoricarpos albus (Common Snowberry)

Weigela florida (Weigela)

Plants in the Musaceae family

Musa spp. (Ornamental Banana)

Plants in the Cornaceae family

Cornus sericea (Redtwig Dogwood)

Cornus mas (Cornelian cherry Dogwood)

Plants in the Araliaceae family

Aralia spinosa (Devil’s Walking Stick)

Plants in the Anacardiace family

Rhus typhina (Staghorn sumac)

Plants in the Hamamelidaceae family

Corylopsis sp. (Winterhazel)

Hamamelis ×intermedia (Witchazel)

Fothergilla gardenii (Dwarf Fothergilla)

Plants in the Rosaceae family

Physocarpus opulifolius (Common Ninebark)

Plants in the Ebenaceae Family:

Diospyros kaki (Japanese Persimmon)

Diospyros virginiana (Common Persimmon)

Plants in the Moraceae family

Ficus carica (Common Fig)

Plants in the Styracaceae family

Styrax japonicus (Japanese Snowbell)

Styrax americanus ( American snowbell)