General Science - COLLECTING AND OBSERVING SEED PLANTS

Flowers, Leaves, Stem, and Roots

Parts of a plant:

Flowers

Important for plant reproduction, often attracting pollinators like insects or relying on wind to disperse pollen.

Leaves

Important for photosynthesis.

Stem

• It held up the leaves and flowers.

• It transports substances and stores food.

Wood, Herbaceous, Vine Plants

Three (3) types of plants

Roots

• It absorbs water and minerals.

• It anchors the plants to the soil and stores food.

Root System

• Part of a plant that is ordinarily underground.

• It anchors the plants.

• Absorbs nutrients and stores food.

Taproot

This is a type of root system that has one main root that has many branches coming from it.

Fibrous Root

This is a type of root system characterized by a network of thin, branching roots of similar size that grow from the base of the stem

Shoot System

• Part of a plant that is found above the ground.

• Holds the leaves toward the sun.

Blade

• The flat portion of a leaf.

• Veins are the pipelines that carry food and water throughout the blade.

Midrib

large vein that runs down the center of the blade.

Petiole

It attaches the blade to the stem and contains vascular tissues.

Sessile

leaves that lack petiole.

Stipule

Small leaf-like that helped to cover the leaf when it is developing.

Buds

Contain developing leaf or stem structures.

Simple leaf

A type of leaf that has a single, undivided blade that attaches to a stem by a petiole

Compound leaf

A leaf of a plant consisting of several or many distinct parts (leaflets) joined to a single stem.

Rafflesia arnoldii

The world’s largest flower:

Corpse flower

Other common name for the largest flower

11kg

Weight of the largest flower

Wolffia

The Smallest Flower, a type of aquatic plant that is edible and full of proteins.

Watermeal

The other common name of the smallest flower: