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Plant Anatomy


CONTENTS

The Parts of a Flowering PlantThe Parts of a Flowering Plant
RootsRoots
The root is one of the first parts of a plant that starts to grow. A primary root develops from a plant's seed and quickly produces branches called secondary roots.
StemsStems
make up the largest parts of some kinds of plants.
LeavesLeaves
are the main food-making parts of almost all plants. They capture energy from sunlight and use it to make food out of water from the soil and carbon dioxide. This food provides plants with energy to grow, to produce flowers and seeds, and to carry on all their other activities.
The Parts of a LeafThe Parts of a Leaf
Most leaves have two main parts: (1) the blade and (2) the petiole, or leafstalk. The leaves of some kinds of plants also have a third part, called the stipules.
Inside a Green LeafInside a Green Leaf
The Parts of a FlowerThe Parts of a Flower
A typical flower grows on a receptacle, or torus, an enlarged part of the flower stalk. The flower consists of four whorls, or sets, of parts. These whorls are (1) the calyx, (2) the corolla, (3) the stamens, and (4) the pistils.
Seed PartsSeed Parts
Seeds consists of three main parts: (1) the seed coat, (2) the embryo, and (3) the endosperm.

The Robinson Library >> Science >> Botany