2 Leaves Flowers Fruits

These flashcards cover key vocabulary and concepts relating to the structure and function of leaves and flowers in plants.

Chlorophyll

The green pigment in leaves that captures light energy for photosynthesis.

Photosynthesis

The process by which plants absorb light energy from the Sun to convert water and carbon dioxide into food.

Stomata

Tiny openings in leaves that allow carbon dioxide to enter.

Blade

The expanded portion of the leaf.

Midrib

At the middle of the leaf blade.

Veins

Branches of the midrib.

Petiole

The leafstalk that connects the leaf blade to the stem.

Stipules

They look like two small leaflets at the base of the stalk.

Venation

The arrangement of veins in a leaf.

Compound Leaf

A leaf that consists of many leaf blades attached to one petiole.

Simple Leaf

A leaf that has only one blade attached to a petiole.

Toothed Leaves

Leaves with margins that look like a saw edge.

Entire

Leaves having smooth edges.

Whole Leaves

Leaves with smooth margins that are entire.

Lobed Leaves

Leaves with irregular edges.

Broad Leaves

Wide and flat leaves, often with a visible network of veins.

Narrow Leaves

Long and slender leaves without a wide blade.

Needle Leaves

Thin, pointed leaves that are adapted for dry environments.

Flowering Plants

Plants that bear flowers.

Pollination

The process by which pollen is transferred to enable fertilization.

Petals

Colorful parts of the flower.

Sepals

They are smaller than petals and are green in color.

Receptacle

This holds together the petals and sepals.

Middle of the petals

You can find the male and female organs of the flower here.

Pistil

The female reproductive organ of a flower.

Stamen

The male reproductive organ of a flower.

Fruit

The matured ovary of a flower that contains seeds.

Embryo

The dormant plant contained within a seed that can grow into a new plant.