Helianthus annuus

The Common Sunflower (Helianthus annuus) is a tall, fast-growing annual with broad, hairy leaves. In summer, it produces enormous flowers, up to 12 in. (30 cm) in diameter, with yellow petals and a dark chocolate-colored central disk.

Download this free HD photo of flower, yellow, sunflower, and detailed by Melanie Kreutz (@melanie_kreutz)

Helianthus annuus or common sunflower is famous for its large and vividly yellow petals surrounding the seeds. The seed heads of the sunflower are arranged in a spiraling pattern connected to the golden ratio and Fibonacci sequence. This characteristic enables the seeds to be placed at a specific angle resulting in optimized packing.

The common sunflower is recognizable for its bright flower on a very tall stem. It is often grown in gardens. These flowers have been important in culture: they were worshipped by the ancient Inca people, and today, they represent eco-friendly movements. The artist Vincent van Gogh made a famous series of paintings about common sunflower. Wild versions of the plant branch out to many flower heads, but domesticated plants typically only have one.

Sunflowers use both Pollination methods. Mainly performed by bees, as well as butterflies, moths, and beetles. When searching for nectar, the bees get covered in pollen, which they transfer to other sunflowers. This activates pollination.

A Japanese variety, Helianthus annuus 'Taiyo' (Common Sunflower) is a fast-growing, well-branched annual with large, dark green, pointed leaves and dazzling flowers. In summer, it produces large, single blossoms, up to 10 in. across (25 cm), with brilliant yellow petals surrounding a huge dark chocolate central disk. The flower heads are attractive to bees, butterflies and birds. Easy to grow and sensational at the back of a sunny border, this exquisite Sunflower makes magnificent cut…

Helianthus Annuus 'sunrich Orange' Always bringing the Sunshine 🌼 Fresh Flowers & Plants Direct From Holland Daily 🚚 Delivery Through-Out London & Surrey 💐 Web Shop - With Over 4,000 Products https://shop.flowervision.co.uk/Account/Login

Name: Helianthus annuus 'Sunsation Yellow'; Lifecycle: Annual; Height: 0.5 - 1m

Helianthus annuus botanical illustration - Sunflower