Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be...

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UNIT V Classification of Plants

Transcript of Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be...

Page 1: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification

UNIT V

Classification of Plants

Page 2: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification

Plant Kingdom

Flowering Plants

Non-flowering Plants

Page 3: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification

3 groups

FernsMosses Gymnosperms

Non - flowering Plants

Do NOT produce flowers

Page 4: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification

A plant can be divided into 3 parts

Page 5: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification

Examples of Mosses

Page 6: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification

spores

Spore-producing capsule

Page 7: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification

No true roots, No vascular tissues (no transport)

Characteristics of Mosses

Simple stems & leaves

Have rhizoids for anchorage

Spores from capsules (wind-dispersal)

Damp terrestrial land

Simplest plants

Page 8: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification
Page 9: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification

underground stem

root

A leaf (finely divided into small parts)

Page 10: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification
Page 11: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification

roots, feathery leaves & underground stems

Characteristics of Ferns

have vascular tissues (transport & support)

Damp & shady places

Spore-producing organ on the underside of leaves (reproduction)

Page 12: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification
Page 13: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification

needle-shaped leaves

Page 14: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification

Male cones (in clusters)

Female cones (scattered)

Page 15: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification

roots, woody stems

Characteristics of Gymnosperms

needle-shaped leaves

tall evergreen trees

cones with reproductive structures

dry places

vascular tissues (transport)

naked seeds in female cones

Page 16: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification

2 groups

Monocotyledons Dicotyledons

Flowering Plants

roots, stems, leavesvascular tissues (transport)flowers, fruits (contain seeds)

Page 17: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification

Monocotyledons

Parallel veins

Page 18: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification

one seed-leaf

Characteristics of Monocotyledons

leaves have parallel veinsherbaceous plantse.g. grass, maize

Page 19: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification

Dicotyledons

Veins in network

Page 20: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification

two seed-leaves

Characteristics of Dicotyledons

leaves have veins in network

e.g. trees, sunflower, rose

Page 21: Classification of Plants - SRM University - flowering Plants. Do NOT produce flowers. A plant can be divided into 3 parts. Examples of Mosses. spores. Spore-producing ... Classification

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Non-flowering

Plants

Flowering

Spore-bearing

Naked seeds

No roots

with roots

Mosses Ferns

Gymnosperms

1 seed-leaf

2 seed-leaves

Monocots Dicots