HS 200 Final

We already know that plants have common names and scientific names. what is the third kind of name that plants are being given now?

Trademrk/copyright names

Cultivars of Cercis canadensis are propagated by humans using a vegetative propagation technique called:

Grafting

Which cultivars are discovered, and then developed

Those from seeding selections and genetic mutations

How long does it typically take plant breeders like Dr. Denny Werner to create a new cultivar of redbud like Cercis canadensis "‘Flamethrower’?

10-12 years

Identify the correct way to write the scientific name for the orange/yellow leaved, Rising Sun Redbud

Cercis canadensis ‘JN2’

The generic name Cercis is derived from Greek meaning ‘Weavers Shuttle”. What part of the plant looks like the weavers shuttle

Fruits

Gardening activities benefit human health and well-ebing in many ways. Which of the following statements is true about gardening whether you do it or just walk through a garden

reduces stress, lowers blood pressure, physically and psychologically therapeutic, reduces depression

Attention restoration theory states that there are two types of attention. The first being “Directed” which has limits and can be overloaded by stress. The second type of attention can be used to relieve stress and is promoted by time spent in gardens and natural settings. What is it called?

Fascinations

What kind of plant name is bluebells?

Common name

Who was Carl Von Linne (Corolus Linnaeus)>

The inventor of the binomial system

The plant callled boxelder has a scientific name of Acer negundo. What can you tell me about this plant that is 100% true?

It produces double wing samaras

What basic classification of plants like to hang out, mate with each other, and alll their children look just like them?

Species

Where did the cranberry plant get its name from?

The flower looks like the head of the New England native “sandhill crane”. it was first called craneberry but people got lazy and removed the ‘e’.

Horticulture is derived from two latin words; hortus and culturae. culturae means:

to take care of

How is horticulture different from botany

Horticulture is an applied science, botany is more of a basic science

The study of cultivation of vegetables is called

Olericulture

Plant taxonomy and nomenclature refer to what respectively?

Plant categories and names

Plants in the same Genus

have similar flowers and fruits

Which plant classification is totally dependent on human intervention

Cultivar

Ferns are in the class filicinae. What is unique about that class of plants

They don’t reproduce by seeds but reproduce by spores instead

Beans are in the subclass dicotyledonae. Hwo are they different from plants in Monocotyledonae?

Dicots have broad leaves with reticulate venation, where monocots have linear leaves with parallel venation

“the inability to notice plants in one’s own environment”. That is the definition of a serious condition called:

Plant blindness

What is the variety name (correctly written) for the group of redbuds that produce white flowers?

Cercis canadensis alba

A ‘selective herbicide’, like weed-b-gone kills…

Only certain plants, such as dicots, but not monocots

What do “conifers” do?

Produce cones

The study of the cultivation of plants to enhance the outdoor living space

landscape horticulture

Poison ivy is in the family anacareacae. What other plant is in the same family and therefore could pose a possible heatlh risk to some people?

Cashews

Most of the fruit and vegetable plants we Americans grow in our home gardens are

Exotic, non-native plants that come from all over the world

‘Ruby Falls’ is what part of the binomial system name

Cultivar Epithet

Cercis canadensis ‘Ruby Falls’ is what part of the binomial system name?

Cultivar

Cercis canadensis is what part of the binomial system name?

Species

Plants in the same Family

Have similar susceptibilities and tolerances

Strawberry is a

plant in the rose family

What word/phrase is used to characterize both Species and Botanical varieties?

“come true from seed”

To be in the Genus Quercus, plants must have the ability to produce

Acorns

The genus name for Holly is

Ilex

In the sneaker illustration we had in class, Nike represented what plant classification unit

GenusI

In the sneaker illustration we had in class, New Balance 574 represented what plant classification unit?

Species

An important concept learned from the sneaker illustration is that

There can be variation within a species

Why is it better to use the binomial system?

The binomial system is descriptive and shows when plants are related to each other

What can you tell me about the following term: crenata

It is a latin word, but not enough information to determine that binomial term it is

Who gives plants their common names?

You and me and anyone

Why does the binomial system use Latin as its language

New latin words can be easily created\`

There are 438 plant genera that contain only one species. What do you call a genus that is made up of only one species

Monotypicd

What type of crop is the tomato?

It depends on how many acres of tomatoes youre growing

The study of extending the keeping quality of horticultural crops is called

postharvesy physiology

The study of cultivation of flowers and potted plants is termed

Floriculture

Gymnospermae is a Class of plants that are characterized by having

seeds enclosed in a tissue called a fruit

Tracheophyta is a

division of plants that have a vascular system

As a gardener, why would it be important to know the difference between monocots and Dicots?

There are selective herbicides that kill only Dicots but are harmless to monocots and therefore allow us to control broadleaf weeds in our turfgrass

Are all varient plants within a species, botanical varieties?

No

A majority of the plants people use in home gardens are

Cultivars

How are cultivars different from botanical varieties

To make more, cultivars must be cultivated by humans, they are not self-perpetuating

Cercis canadensis ‘Ruby Falls’ is desirable because, unlike the straight species it

is a burgundy leaf weeper

Cercis canadensis ‘Hearts of Gold’ was

discovered as a chance seedling in Greensboro, NCW

What can you tell me about the following binomial term as it is written here: ‘Baked Alaska’

It is a cultivar epithet

If someone asked you why why should embrace the binomial system over using common names, what would you tell them?

Using it helps to avoid the confusion of common names

Why did names like Endless Summer Hydrangea com eout

plant developers chose cultivar epithets that were not easy to recongize or market so these names were developed

Identify what this entire scientific name is describing: Acer palmatum dissectim ‘Atropurpureum’

Cultivar

Besides maintaining turgidity and transporting nutrients antoher function of transipration in plants is

Allowing carbon dioxide to enter the leaf

A plant organ that arises from an abnormal place is called

Adventitious

What percent of water absorbed by the plant is used in photosynthesis

1%

The plant growth process called respiration produces:

Carbon dioxide, water, and chemical energy

The primary factor in regulating the rate of respiration is

Temperature

The key to insuring both vegetative and reproductive growth in plants is

Provide sufficient light intensity

White asparagus is

Nothing but green asparagus that has been blanched by preventing light from shining on the emerging spears

Best conditions for planting annual bedding plants in your garden in the spring time

Overcast, cool, and humid

A sweet potato is a modified root called a

Tuberous root

Why is the term “seed potato” a misleading term for gardeners?

They are not real seeds, but tubers used to grow new potatos vegetatively

What do stems have that roots do not?

Bark, adventitious roots, nodes and internodes, and buds

Other than storage, transportation, and support, a fourth function of stems is

Food production

Some of the leaves of my evergreen boxwood are turning brown and falling off. I am concerned that they might have a disease or insect problem. The leaves on the inside of the plant are the ones turning brown. what is up with that

No big deal, that is normal for evergreen plants

What do you call plants that have 100% aerial roots that live ON other plants

EpiphytesW

What is the current USDA Hardiness Zone Rating for Raleigh, NC

7

The plants that are made up of predominately hard permanent tissue are refered to as

Woody Plants

What is the first root to emerge from a stem cutting?

Adventitious

If you met a plant anatomist at a party, what would be the first thing they would ask you

Where are you from

Strawberries and spider plants and some turfgrass are kinds of plants that produce above-ground, modified prostrate stems called

Stolons

What types of plants will tolerate short periods of freezing, and slightly below for only a few hours before being damaged

Sub-tropical

When is the “FFFD” in Raleigh, NC

April 15

A classic example of a sub-tropical plant is

Orange

What is the term to describe a root emerging from a secondary root

Secondary

Most conifers have

Needle-like, awl-like, or scale-like leaves

Mature evergreens retain each year’s set of leaves for how long?

3-5 years

What types of plants die completely by the winter in Raleigh

Tropical annuals

What types of plants will tolerate long periods of freezing and below during the winter

Temperate

Term to describe conditions in leaves that are faded and yellow

Chlorosis

Are all tap roots primary roots?

Yes

The term used to describe when the plant moves material from one place to another through the xylem and phloem

translocation

Which substance(s) is/are absorbed by the root via osmosis?

WaterW

What is the most agreed upon thoery for nutrient uptake by the plants roots called?

Carrier molecule theory

Why is photosynthesis considered the most important process on earth?

Because of the food that only plants can produce sustain life as we know it

How is water absorption in plants different from nutrient absorption?

Nutrient absorption is an active process and water absorption is a passive process

If you found out that your friend had just over-fertilized their shrubs, what would you tell them to do right away to avoid fertilizer burn?

Water a lot around each shrub to dilute the high solute concentration and leach the salts

The substrate (cookie sheet) of the chemical reaction called photosynthesis is/are

chloroplasts

The “ingredients” of photosynthesis are

Carbon dioxide and waterWhat

What percentage of the dry weight in a plant comes from photosynthesis (sugars) and what percentage comes from the soil (nutrition)

96% from photosynthesis, 4% from soil

Technical term that describes a plant’s ability to withstand a severe low temperature on any given winter night or day

Temperate Plant Hardiness

What do you call the date beyond which the chance of frost greatly increases?

Last frost free date

Deciduous trees

Lose all their leaves every fall