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Topic Sunflower

The sunflower is an annual herb that grows up to 4.5 meters tall with broad leaves arranged spirally on the stem. It has many small flowers arranged in a pseudanthium or flowerhead. Scientifically known as Helianthus annuus, sunflowers have health benefits like reducing risks of heart disease and diabetes. They progress through vegetative, reproductive, ripening, and senescence stages. Major types are oilseed and non-oilseed varieties. While their seeds and oil provide nutrients, oil can potentially cause digestive issues in some.

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94 views17 pages

Topic Sunflower

The sunflower is an annual herb that grows up to 4.5 meters tall with broad leaves arranged spirally on the stem. It has many small flowers arranged in a pseudanthium or flowerhead. Scientifically known as Helianthus annuus, sunflowers have health benefits like reducing risks of heart disease and diabetes. They progress through vegetative, reproductive, ripening, and senescence stages. Major types are oilseed and non-oilseed varieties. While their seeds and oil provide nutrients, oil can potentially cause digestive issues in some.

Uploaded by

Ahmed
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PPTX, PDF, TXT or read online on Scribd
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Topic: Sunflower 🌻

Introduction of Sunflower
• The common sunflower has a green erect stem covered in coarse hairs,
growing on average around 2m tall. The leaves are broad, with
serrated edges, and are alternately arranged on the stem. The 'flower'
of the common sunflower is actually a pseudanthium, or flowerhead,
made up of many small flowers.
What is Sunflower
• is an annual herb with a rough hairy stem 1–4.5 metres (3–15 feet)
high and broad, coarsely toothed, rough leaves 7.5–30 cm (3–12
inches) long arranged in spirals
What is the scientific name of sunflower?
• The scientific name of sunflowers is Helianthus annuus.
What are the benefits of sunflowers?
• reducing your risk of common health problems, including heart
disease and type 2 diabetes.
What are the 4 stages of the sunflower?
• vegetative phase, a reproductive phase, a period of ripening, and
senescence or dieback.
What are the types of sunflowers?
• Sunflower species are divided up into two main categories: Oilseed
and Non-oilseed
What are the side effects of sunflower oil?
• It can cause digestive issues, skin irritation and dry mouth.
Health Benefits
• Studies link the consumption of sunflower seeds to a number of
health benefits, including lowering your risk of developing diseases
like high blood pressure or heart disease. They also contain
nutrients that can support your immune system and boost your
energy levels.
What is the importance of sunflower?
• Sunflower seeds contain high amounts of vitamins like vitamin E, B,
folate, and niacin and minerals like calcium, copper, iron, magnesium,
manganese, selenium, phosphorous, potassium, sodium, and zinc.
Conclusion
• The common sunflower (H. annuus) is an annual herb with a rough
hairy stem 1–4.5 metres (3–15 feet) high and broad, coarsely toothed,
rough leaves 7.5–30 cm (3–12 inches) long arranged in spirals. The
attractive heads of flowers are 7.5–15 cm wide in wild specimens and
often 30 cm or more in cultivated types.
• Prepared by
• Ismail
• Ahmed hassan
• Abdirahman
• Abdi majid

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