Classification of Plants

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Presentation transcript:

Classification of Plants

Plant Kingdom Non-flowering Plants Flowering Plants

Non - flowering Plants Do NOT produce flowers . 3 groups Non - flowering Plants Mosses Ferns Gymnosperms Do NOT produce flowers

A plant can be divided into 3 parts

Examples of Mosses

Spore-producing capsule Moss spores

Characteristics of Mosses .Simplest plants .No true roots, No vascular tissues (no transport) .Simple stems & leaves .Have rhizoids for anchorage .Spores from capsules (wind-dispersal) .Damp terrestrial land

Fern

A leaf (finely divided into small parts) Fern A leaf (finely divided into small parts) underground stem root

spore-producing organs (circinate) young leaf

Characteristics of Ferns .roots, feathery leaves & underground stems .have vascular tissues (transport & support) .Spore-producing organ on the underside of leaves (reproduction) .Damp & shady places

Gymnosperms Pine tree

needle-shaped leaves

Male cones (in clusters) Female cones (scattered)

Characteristics of Gymnosperms .tall evergreen trees .roots, woody stems .needle-shaped leaves .vascular tissues (transport) .cones with reproductive structures .naked seeds in female cones .dry places

Flowering Plants . 2 groups Monocotyledons Dicotyledons . roots, stems, leaves . vascular tissues (transport) . flowers, fruits (contain seeds)

Monocotyledons Parallel veins

Characteristics of Monocotyledons . one seed-leaf leaves have parallel veins . herbaceous plants . e.g. grass, maize

Dicotyledons Veins in network

Characteristics of Dicotyledons . two seed-leaves . leaves have veins in network . e.g. trees, sunflower, rose

Plant Classification Plants Non-flowering Flowering 1 seed-leaf 2 seed-leaves Spore-bearing Naked seeds Monocots Dicots Gymnosperms No roots with roots Mosses Ferns