Plant Materials II - Lecture Quizes + Review

Which of the following plants contain flammable aromatic compounds?
Morella cerifera

Pittosporume tobira

Morella cerifera -Southern Waxmyrtle

Which of the following plants produces fruit attached to a fleshy receptacle?

Podocarpus macrophyllus
Taxus x media
Cephalotaxus harringtonia

Podocarpus macrophyllus - Chinese Podocarpus

Magnolia figo common name?

Banana Shrub - intense banana-like fragrance of the flowers

Prunus caroliniana has weedy nature; birds spread seeds and seedlings appear

True

Plant(s) potentially invasive or weedy

Ligustrum lucidum (Waxleaf Privet)
Ligustrum sinense (Chinese Privet)

Cedrus atlantica ‘Glauca Pendula’ is an evergreen conifer which has weeping branches?

true

Pine needles normally com come in packages of

2, 3, 5, and rarely one

Plants frequently used a groundcovers

Juniperus procumbens (Japanese Garden Juniper)
Juniperus horizontalis (Creeping Juniper)

Plants with new growth in the spring that is bright bronze/red in color

Pieris japonica (Japanese Pieris)
Photinia x fraseri (Fraser Photinia)

Genus’ in Pinaceae Family

Pinus
Cedrus

Genus in the Cupressaceae Family

Cupressus
Cunninghamia
Cryptomeria
Cuprocyparis
Thuja
Juniperus

Genus in the Taxaceae Family

Taxus
Cephalotaxus

Genus in the Rosaceae Family

Rhaphiolepis
Prunus

Cotoneaster

Eriobotrya

Photinia

Genus in the Caprifoliaceae Family

Abelia
Viburnum

Genus in the Oleaceae Family

Ligustrum (privet)
Osmanthus

Genus in the Apocynaceae Family

Nerium

Conifer

"the one that bears (a) cone(s)". The conifers, gymnosperms.

Spruce

sharp, square (needles in cross-section, usually)

Fir

flat needles (usually) and friendly (to the touch, usually, but Spanish Fir is sharp pointed)

What is the 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.

Plant(s) with compound leaves
a. Acer griseum

b. Acer pseudosieboldianum

Acer griseum

Plant(s) with smooth barks:

a. Carpinus betulus

b. Carpinus caroliniana

c. Acer griseum

a. Carpinus betulus
b. Carpinus caroliniana

Plant(s) with compound leaves

a. Fraxinus americana
b. Gleditisa triacanthos
c. Gymnocladus dioica
d. Pistacia chinensis

a. Fraxinus americana
b. Gleditisa triacanthos
c. Gymnocladus dioica
d. Pistacia chinensis

Pistacia chinensis

Cashew family, compound leaves, dioecious

Gleditsia triacanthos var. inermis (Thornless Honeylocust) has few if any spines (thorns) on the trunk or branches

True

Chilopsis linearis (Desert Willow) has willowlike leaves and showy flowers

True

Ideal for hanging baskets because of the trailing stems

Ivy geranium (Pelargonium peltatum)

Which of the following are true about Cleome hassleriana?

a. compound palmate leaves

b. spider-like flowers

d. daisy-like flower

d. common name: spider flower

a. compound palmate leaves

b. spider-like flowers

d. common name: spider flower

Gomphrena globosa produce papery-textured, clover-like flowerheads.

True

Flower resembles the face of a bat

Cuphea llavea

Which one of the following has fan-shaped flowers with 5 fingerlike lobes, or “petals”.

a. Scaevola aemula

b. Pentas lanceolata

a. Scaevola aemula

Which of the followings are true about plants in the family of Euphorbiaceae:

A. milky sap

B. very small flowers

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

A. milky sap

B. very small flowers

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

Which of the followings 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 persist only a 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 persist only a day

Jacobaea maritima (Senecio cineraria, Dusty Miller) is a popular foliage plant grown for

its cool, silvery, woolly-felted leaves. However, the silver leaves (hairy leaves) are

susceptible to leaf rot in the South due to high humidity.

true

Plant(s) grown mainly for its foliage:

a. Ipomoea batatas

b. Coleus scutellarioides

c. Amaranthus tricolor

d. Jacobaea maritima

a. Ipomoea batatas

b. Coleus scutellarioides

c. Amaranthus tricolor

d. Jacobaea maritima

Ipomoea lobata produces one-sided racemes of tubular flowers that initially are red in

color but turn orange, yellow, then cream as they age.

True

Two types of True Bulbs

Tunicate bulbs - has tunic– e.g. tulips, daffodils, hyacinths, grape hyacinths (muscari), and alliums.

Imbricate bulb – no tunic must be kept constantly moist before planting– e.g. lily

Tubers

A modified underground stem, it has nodes and internodes but is very fleshy and serves as an energy storage organ as well as propagule.

Tuberous Roots

True root structures that do not have nodes and internodes and only have vegetative buds near the point of attachment to the plant.

Rhizomes

horizontally growing underground stem containing nodes and internodes. Rhizomes differ from other storage structures by growing horizontally under the surface of the soil.

Genus in the Primulaceae Family

Cyclamen

Genus in the Zingiberaceae (Ginger) Family

Hedychium

Genus in the Amaryllidaceae family

Leucojum

Genus in the Amaranthaceae Family

Gomphrena

Celosia
Amaranthus

Genus in the Asteraceae Family

Bellis
Jacobaea

Genus in the Betulaceae (Birch) Family

Carpinus

Genus in the Fabaceae Family

Gymnocladus
Gleditisa

Paeonia suffruitcosa is a decidious woody shrub with showy flowers. It has woody stems that do not die back in winter.

True

Lonicera fragrantissima common name is Fragrant Honeysuckle. It produces small, creamy white, lemon-scented and extremely fragrant flowers.

True

Paeonia suffruitcosa landscape value?

• excellent in borders as specimens or in groups

• effective as accents or hedges

• cut flower

Two forms of Viburnum plicatum (japanese snowball)

Japanese snowball bush (f. plicatum) and doublefile viburnum (f. tomentosum).

Corylopsis sp. (Winterhazel) landscape value?

winter hazel provides late winter to early spring bloom

3 Corylopsis cultivars?

C. glabrescens (Fragrant Winterhazel) - 12’ or more

C. pauciflora (Buttercup Winterhazel) - 4’-6’

C. spicata ( Spike Winterhazel) - 4’-6’

Hamamelis × intermedia (Witchhazel) landscape value?

• Good specimen due to late winter flowers, attractive summer foliage and fall color.

• screens

• shrub border

Humulus lupulus

grown commercially for harvest of the female fruits which are commonly used by breweries to preserve and flavor beer

Plants that prefer part shad to full shade

a. Bergenia cordifolia

b. Helleborus orientalis

c. Polygonatum odoratum

d. Iberis sempervirens

a. Bergenia cordifolia

b. Helleborus orientalis

c. Polygonatum odoratum

Stachys byzantine has dense rosettes of woolly, tongue-shaped, gray-green leaves and the leaf shape and texture resemble a lamb’s ear, hence the common name Lamb’s Ear. The plant tends to rot and develop leaf diseases in humid summer climates.

True