The Leaf

Front 1

A leaf

Back 1

Principal of the stem, principal organ of photosynthesis

Hint 1

Green, energy, light=

Front 2

Petiole

Back 2

The stalk of a leaf

Hint 2

Stem

Front 3

Blade/lamina

Back 3

Broad extended part of leaf

Hint 3

Stem

Front 4

Simple/ compound leaf

Back 4

Simple leaves are whole, compound are seperated into smaller leaved on the same stalk

Hint 4

Fanning

Front 5

Palmately compound

Back 5

Compound shaped like a palm

Hint 5

Compound

Front 6

Pinnately compound

Back 6

One little leaf on each side, and a single leaf at the top of the stalk.

Hint 6

Compound

Front 7

Sessile

Back 7

Attached to the base, without a petiole

Hint 7

Stem

Front 8

Stipulate

Back 8

Has a growth at the base of the stem of the leaf

Hint 8

Stem

Front 9

Exstipulate

Back 9

Does not have a growth at the end of the leaf base

Hint 9

Stem

Front 10

Netted veins

Back 10

Like in a maple leaf, the veins branch out to all ends

Hint 10

Veins

Front 11

Parallel veins

Back 11

The veins run parallel to one another

Hint 11

Veins

Front 12

Rachis

Back 12

The stem of a compound leaf

Hint 12

Compound

Front 13

Veins (vascular bundles)

Back 13

Contains the vascular tissues: xylem and phloem

Hint 13

Veins

Front 14

Xylem

Back 14

A vascular tissue inside the stem, and is woody

Hint 14

Veins

Front 15

Phloem

Back 15

A vascular tissue surrounding the xylem on the outside, also in the stem

Hint 15

Veins

Front 16

Midvein

Back 16

The vein located in the middle and is the largest

Hint 16

Vein

Front 17

Midrib

Back 17

A vein in true leaves running from the base to the apex

Hint 17

Veins

Front 18

Vascular cambium

Back 18

Tissue between the xylem and phloem responsible for secondary growth

Hint 18

Veins

Front 19

Bundle sheath

Back 19

Surround the xylem and phloem in normal planta that do not undergo secondary growth, and is where the CBB cycle occurs

Hint 19

Veins

Front 20

Upper epidermis

Back 20

Upper side of a leaf with cuticle

Hint 20

Skin

Front 21

Cuticle

Back 21

A waxy layer surrounding the outer part of the leaf for protection and water retention

Hint 21

Skin

Front 22

Palisade parenchyma

Back 22

Right below the epidermis and cuticle, it absorbs a major portion of light energy

Hint 22

Cell structure

Front 23

Spongy parenchyma

Back 23

Under the palisade layer, this layer is responsible for gas exchange and air circulation

Hint 23

Air

Front 24

Lower epidermis

Back 24

Lower side of the leaf, also covered with wax

Hint 24

Leaf

Front 25

Mesophyll

Back 25

Ground tissue of the leaf

Hint 25

Tissue

Front 26

Stomata

Back 26

Breathing holes of the leaf

Hint 26

Air

Front 27

Substomatal chambers

Back 27

Responsible for diffusion of carbon dioxide and plant pheromones

Hint 27

Air

Front 28

Intercellular spaces

Back 28

Filled with air, resin, essential oils, or mucus

Hint 28

Cell

Front 29

Trichomes/ epidermal hairs

Back 29

Small hairs on the epidermis of the plant

Hint 29

Plant body

Front 30

Sclereids

Back 30

Forms seed coats and nut shells, type of sclerenchyma cell

Hint 30

Cell

Front 31

Subsidary cell

Back 31

Located next to a guard cell in the stomata

Hint 31

Cell

Front 32

Endodermis

Back 32

Innermost layer of cortex, made of compact living cells surrounded by the Casparian strip to restrict apoplastic flow of water to the inside

Hint 32

Water

Front 33

Transfusion tissue

Back 33

tissue that is found characteristically around the vascular bundles of gymnosperm leaves and consists of both living cells like those of parenchyma with walls that are not lignified and thin-walled but lignified tracheids with bordered pits

Hint 33

Cell structure

Front 34

Hypodermis

Back 34

A layer of cells lying immediately below the epidermis. A subcutaneous layer of loose connective tissue containing fat cells, lying beneath the dermis.

Hint 34

Cell structure

Front 35

Resin ducts

Back 35

a tube or duct in a woody stem or a leaf, especially in conifers, lined with glandular epithelium that secretes resins.

Hint 35

Cell structure

Front 36

Abscission zone

Back 36

is the shedding of various parts of an organism, such as a plant dropping a leaf, fruit, flower, or seed.

Hint 36

Drop

Front 37

Seperation layer

Back 37

the layer of specialized, cutinized parenchyma cells that develops in the abscission zone, the disintegration of which causes abscission

Hint 37

Break

Front 38

Protective layer

Back 38

a layer developed within the separation layer in leaves of deciduousplants at the time of leaf fall that protects the exposed cells from desiccation and infection until the periderm forms

Hint 38

Protection

Front 39

Leaf scar

Back 39

the mark left on a stem or twig after aleaf falls. ... Maple buds are small, and the leaf scar is a small, narrow crescent. Trees Worth Knowing Julia Ellen Rogers. The leaf scar is protected by a corky change (suberization) in the walls of the exposed cells.

Hint 39

Fall

Front 40

Bud scales

Back 40

one of the leaves resembling scales that form the sheath of a plant bud.

Hint 40

Buds

Front 41

Spines

Back 41

are hard, rigid extensions or modifications of leaves, roots, stems or buds with sharp, stiff ends, and generally serve the same function: physically deterring animals

Hint 41

Protection

Front 42

Tendrils

Back 42

A support growth the help branches stay up, such as pea plants. Looks like a cork screw

Hint 42

Support

Front 43

Plantlets

Back 43

Young or small plants

Hint 43

Baby

Front 44

Modified leaves

Back 44

leaves are oftenmodified for functions other than photosynthesis. Below are a fewexamples: Tendrils-of plants areleaves modified for support.

Hint 44

Function

Front 45

Showy bracts

Back 45

is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis or cone scale.Bracts are often (but not always) different from foliage leaves. They may be smaller, larger, or of a different color, shape, or texture.

Hint 45

Flowers