Shoot System of Plants by www.GoGSAT.com
Table of Contents
What is the shoot system? 3
Plant Stems 4
Leaves 5
Leaves 6
Flower 7
Sepal 8
Petal 9
Stamen 10
The Carpel 11
2
What is the shoot system?
The shoot system is above ground and includes the organs such as leaves, buds, stems, flowers (if the plant has any), and fruits (if the plant has any).
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3
Plant Stems
Plant stems provide support for the plant and allow nutrients and water to travel throughout the plant.
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4
Leaves
The leaves are the sites of food production for the flowering plant. It is here that the plant acquires light energy and carbon dioxide for photosynthesis and releases oxygen into the air.
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5
Leaves
Leaves can have various shapes and forms, but they all basically consist of a blade, veins, and a petiole. The blade is the flat extended part of the leaf. The veins run throughout the blade and provide a transport system for water and nutrients. The petiole is a short stalk that attaches the leaf to the stem.
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6
Flower
The flower is responsible for seed development and reproduction. There are four main flower parts in angiosperms: sepals, petals, stamens, and carpels.
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7
Sepal
Sepal - green, leaf-like structure that protects the budding flower.
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8
Petal
Petal - colourful and often scented part of the flower that attracts insects.
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9
Stamen
The stamen which consists of a filament and an anther is considered the male portion of a plant. It is the part of the flower that produces pollen.
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10
The Carpel
The carpel is considered the female portion of the plant. The carpel consists of the stigma, style, and ovary.
Stigma - the tip of the carpel that is sticky in order to collect pollen.
Style - the slender, neck-like portion of the carpel that leads to the ovary.
Ovary - structure at the base of the carpel that houses the ovule or egg.
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