Lab 1

Question 1

How are plants named and how do their names consist across the world?

Answer 1

Named with a common name & scientific name (scientific name based off Genus & Species)

Question 2

How does one distinguish between plant anatomy and plant morphology?

Answer 2

1. Anatomy is the cellular structure of a plant
2. The safer stucture is what morphology is the part of the plant that can be appreciated visually
3. (can be differentiated based off scale of appreciation)

Question 3

What do the Stem, Roots, and Leaf do?

Individually not as a group defined

Answer 3

1. Support
2. Both support & nutrient uptake
3. Photosynthesis

Question 4

What can be used on plant structures to distinguish one plant from another.

Answer 4

1. Leaf shape, size texture
2. Typo of seed & inflorescence
3. Flower of plant
4. Collar region contains distinctive structures

Question 5

What does the term “growth habit” mean?

Answer 5

1. It is the form of the plant that is affected by its environment examples:
   -Upright
   -decombanant
   -Sod
   -Bunch
2. Stems position determines growth habits

Question 6

When it comes to growth habit what benefits could help it become a forage plant?

Answer 6

1. Prevents invasion of weeds
2. Regrowth capabilities
3. Tolerance of environment

Question 7

What is the internode part of a stem?

Answer 7

Usually a hollow, sometimes pithy or solid, region of a stem between nodes

Question 8

What is a Node?

Answer 8

It is a solid joint of a grass stem where leaf sheaths are attached to the stem

Question 9

What are the parts of a stem?

Answer 9

1. Internode
2. Node

Question 10

What are the types of stems?

Answer 10

1. Upright or ascending
2. Stolons
3. Rhizomes

Question 11

What is a Leaf?

Answer 11

It is borne on the stem, one at each node, and they project alternately in two rows on opposite sides of the stem

Question 12

What is a Blade?

Answer 12

The portion of the leaf connected to the sheath and extending outward

Question 13

What is the Sheath?

Answer 13

It surrounds the stem above the node where it is attached

Question 14

What is the Collar?

Answer 14

The region at the junction of the sheath and blade

Question 15

What is a Ligule?

Answer 15

1. It is an appednage that clasps the stem where the sheath and blade join

Distinguishing features include
* A membrane
* Fringe of hairs
* Hardening ring
* A reliable characteristic for identification

Question 16

What is an Auricle?

Answer 16

It is an outgrwoth from the base of the blade that may be prominent and encircle the stem, may be inconspicuous, may be absent

Question 17

What are the types of inflorescences?

Answer 17

1. Spike
2. Raceme
3. Panicle

Question 18

What is the definition of a spike?

Answer 18

Spikelets are sessile on an unbranched axis called a rachilla or a rachis

Question 19

What is a Raceme?

Answer 19

They are spikelets that are borne on short pedicels (brances) attached to the axis that is called a rachis

Question 20

What are 2 forms of growing points (Meristems)

Answer 20

1.Apical Meristem
2.Intercalary meristem

Question 21

What is a Crown?

Question 22

What is a Crown?

Answer 22

1.It may be an underground, overwintering structure in some plants
2.Is the basal portion of the stem
3.Can produce new tillers in certain plants (alfalfa)

Question 23

What is a Petiole?

Answer 23

Leaf stalk

Question 24

What is a leaflet?

Answer 24

one of the “blades” of a compound leaf

Question 25

What is a Petiolule?

Answer 25

It is a stalk of the leaflet

Question 26

What is a Stipule?

Answer 26

A pair of leaf-like outgrowth that occur at the base of the petiole

Question 27

What are the 3 types of inflorescenes?

Answer 27

1. Raceme
2. Head
3. Spike-like raceme