At maturity most leaves have what?

(a)  

stalk = ?

(a)  

Flattened blade = ?

(a)  

Network of veins = ?

(a)  

Stipules are where?

(a)  

Leave may be either what?

(a)  

With a single blade

(a)  

Blade divided into leaflets

(a)  

Leaflets in pairs along rachis; is an extension of the petiole

(a)  

All leaflets attached at same point at end of petiole.

(a)  

Leaflets subdivided

(a)  

Is a pinnately compound leaf that is subdivided into smaller leaflets

(a)  

Green leaves capture light energy by means of what?

(a)  

Trapping and storing of energy in sugar molecules that are constructed from water and carbon dioxide

(a)  

Tiny pores on lower surfaces of leaves

(a)  

Allows carbon dioxide to enter and oxygen to diffuse out; Water vapor also escapes

(a)  

What controls water loss by opening or closing pore of stomatal apparatus?

(a)  

What occurs when water evaporates from leaf surface?

(a)  

Root pressure forces water out hydathodes at tips of leaf veins in some plants

(a)  

Leaves are attached to stems at ________, with stem regions between known as _________

(a)  

Arrangement of leaves on stem

(a)  

One leaf per node

(a)  

Two leaves per node

(a)  

Three or more leaves at a node

(a)  

Arrangement of veins in a leaf or leaflet blade

(a)  

Main midvein included within enlarged midrib; Secondary veins branch from midvein.

(a)  

Several primary veins fan out from base of blade

(a)  

Has parallel venation?

(a)  

Primary veins parallel

(a)  

Primary veins divergent in various ways

(a)  

Netted or reticulate venation

(a)  

Veins fork evenly and progressively from base of blade. (Found in gymnosperm)

(a)  

The internal structure of leaves has 3 regions what are they?

(a)  

Single layer of cells covering the entire surface of the leaf

(a)  

What are the arrows pointing to?

(a)  

What is 1?

(a)  

what is 2?

(a)  

what is 3?

(a)  

What is 4?

(a)  

What is 5?

(a)  

What is 6?

(a)  

what kind of leaf is this?

(a)  

What kind of leaf is this?

(a)  

What is 1?

(a)  

what is 2?

(a)  

what is 3?

(a)  

what is 4?

(a)  

what is 5?

(a)  

what is 6?

(a)  

what is 4?

(a)  

what is 6?

(a)  

what is 9?

(a)  

what is 11?

(a)  

what is 1?

(a)  

what is 7?

(a)  

what is 10?

(a)  

what is 3?

(a)  

what is 12?

(a)  

what is 8?

(a)  

what is 2?

(a)  

what is 5?

(a)  

what is 1?

(a)  

what is 6?

(a)  

what is 4?

(a)  

what is 2?

(a)  

what is 5?

(a)  

what is 3?

(a)  

what is 7?

(a)  

what kind of leaf is this?

(a)  

what kind of leaf is this?

(a)  

what kind of leaf arrangement is the first one of the left?

(a)  

what kind of leaf arrangement is the middle one?

(a)  

what kind of leaf arrangement is the last one on the right?

(a)  

what type of venation is on the left?

(a)  

what type of venation is on the right?

(a)  

what type of leaf venation is the one on the left?

(a)  

what type of leaf venation is the middle one?

(a)  

what type of leaf venation is the one on the right?

(a)  

Lower epidermis typically has thinner layer of __________ and is perforated by numerous __________

(a)  

some plants have stomata on both leaf surfaces what are they?

(a)  

some plants have stomata exclusively on the upper epidermis what are they?

(a)  

some plants no stomata what are they?

(a)  

Stomata bordered by what?

(a)  

guard cells contain what?

(a)  

Regulate gas exchange between leaf interior and atmosphere; Regulate evaporation of water are functions of what?

(a)  

Changes in amount of water in guard cells cause them to do what?

(a)  

inflated = ?

(a)  

deflated = ?

(a)  

Most photosynthesis takes place in where?

(a)  

Upper most mesophyll region) Compactly stacked, barrel-shaped parenchyma cells, commonly in two rows; Contains most of leaf’s chloroplasts

(a)  

(lower region) Loosely arranged parenchyma cells with abundant air spaces

(a)  

(a)   are scattered throughout mesophyll

Consist of xylem and phloem tissues surrounded by bundle sheath of thicker-walled parenchyma

(a)  

what kind of plant usually do not have mesophyll differentiated into palisade and spongy layers

(a)  

Bulliform cells do what under dry conditions?

(a)  

Receive less total light than sun leaves

(a)  

Compared to sun leaves, shade leaves?

(a)  

Arid regions have what?

(a)  

Leaves in arid regions do what to reduce water loss?

(a)  

Leave of (a)   have less xylem and phloem, mesophyll not differentiated into palisade and spongy layers, large air spaces

Modified leaves that curl around more rigid objects, helping the plant to climb or to support weak stems

(a)  

what kind of plant has Tendrils?

(a)  

Modified leaves that reduce leaf surface and water loss and protect from herbivory. (have vascular tissues; most are modifications of the whole leaf)

(a)  

what kind of plants have spines?

(a)  

Outgrowths from epidermis or cortex; do not have vascular tissues; are neither leaves or stems

(a)  

what kind of plant has prickles?

(a)  

Modified stems arising in the axils of leaves of woody plants (have vascular tissue)

(a)  

what kind of specialized Leaf is this?

(a)  

what kind of specialized Leaf is this?

(a)  

what kind of specialized Leaf is this?

(a)  

what kind of specialized Leaf is this?

(a)  

grow on other plants for support; Dischidia, an epiphyte of Australia; Leaves develop into urn-like pouches

(a)  

what unique about flower pot leaves?

(a)  

what kind of Specialized Leaf is this?

(a)  

what kind of Specialized Leaf is this?

(a)  

each end has a transparent, thick epidermis and transparent water storage cells underneath; Allows light into leaf, while buried leaves keep plant from drying out; In succulent desert plants of Africa

(a)  

what kind of Specialized Leaf is this?

(a)  

Types of reproductive leaves are?

(a)  

Maternity plant

(a)  

New plants at leaf tips is a characteristic of what kind of plant?

(a)  

Tiny plantlets along leaf margins are a characteristic of what kind of plant?

(a)  

what kind of specialized leaf is this?

(a)  

At bases of flowers or flower stalks

(a)  

what kind of specialized leaf is this?

(a)  

Types of floral leaves/bracts are?

(a)  

Flowers do not have petals, instead brightly colored bracts surround flowers

(a)  

Colorful bracts are at top of flowering stalks above flowers.

(a)  

what kind of specialized leaf is this? and plant?

(a)  

Grow in swampy areas and bogs; Nitrogen and other elements are deficient in soil; Specialized leaves trap and digest insects

(a)  

what are some type of insect trapping leaves?

(a)  

Insects trapped and digested inside cone-shaped leaves

(a)  

what kind of specialized leaf is this? and plant?

(a)  

what kind of specialized leaf is this? and plant?

(a)  

Have round to oval leaves covered with glandular hairs that have a sticky fluid of digestive enzymes at tip

(a)  

Only in North Carolina and South Carolina; Blade halves trap insects

(a)  

what kind of specialized leaf is this? and plant?

(a)  

Submerged or floating in shallow water, tiny bladders on leaves have trap doors that trap insects inside bladders.

(a)  

Chloroplasts of mature leaves contain several groups of pigments what are they?

(a)  

chlorophylls are what color?

(a)  

carotenoids are what color?

(a)  

xanthophylls are what color?

(a)  

anthocyanins are what color?

(a)  

betacyanins are what color?

(a)  

Process by which leaves are shed (when the leaves come off the mother plant); Occurs as a result of changes in abscission zone near base of petiole

(a)  

Cells coated and impregnated with suberin

(a)  

Pectins in middle lamella of cells are broken down by enzymes

(a)  

Human and Ecological Relevance of Leaves in landscaping?

(a)  

Human and Ecological Relevance of Leaves in food?

(a)  

Human and Ecological Relevance of Leaves in dyes?

(a)  

Human and Ecological Relevance of Leaves in perfumes?

(a)  

Human and Ecological Relevance of Leaves in ropes and twine?

(a)  

Human and Ecological Relevance of Leaves in drugs?

(a)  

Human and Ecological Relevance of Leaves in beverages?

(a)  

Human and Ecological Relevance of Leaves in Waxes?

(a)  

Human and Ecological Relevance of Leaves in Aesthetics?

(a)  

Leaves are sessile if they are lacking what?

(a)  

sessile leave are seen in what kind of plants

(a)  

Leaves of flowering plants associated with __________ and have _______________ at base

(a)  

Wastes from metabolic processes accumulate in ___________ and are disposed of when leaves are _______

(a)  

____________play major role in movement of __________ absorbed by roots

(a)  

Functions to protect tissues inside leaves

(a)  

Waste materials may accumulate in where?

(a)  

Guard cells originate from the same parent cell of what?

(a)  

when bulliform cells partly collapse what happens?

(a)  

Bulliform cells are exclusive to what kind of plant?

(a)  

where are bulliform cells located?

(a)  

In cacti leaf tissue is replaced with (a)  

in cacti photosynthesis takes place where?

(a)  

what kind of plants have storage leaves?

(a)  

Succulent leaves are modified for what?

(a)  

Fleshy leaves store carbohydrates. are seen in what kind of plants?

(a)  

storage leaves have what?

(a)