Sunflower Me Up by Diana Sainz
by Diana Raquel Sainz
Title
Sunflower Me Up by Diana Sainz
Artist
Diana Raquel Sainz
Medium
Photograph - Photography - Digital Photography
Description
FEATURED IMAGE: Seasons of Beauty ~ FAA ~ 07/27/2014
FEATURED IMAGE: Loving The Color Yellow ~ FAA ~ 06/17/2014
FEATURED IMAGE: Artist Best Five ~ FAA ~ 06/14/2014
FEATURED IMAGE: World of Sunflowers ~ FAA ~ 06/13/2014
FEATURED IMAGE: Visions of Spring ~ FAA ~ 06/11/2014
FEATURED IMAGE: Waiting Room Art ~ FAA ~ 06/07/2014
The sunflower (Helianthus annuus) is an annual plant grown as a crop for its edible oil and edible fruits (commonly called "sunflower seeds"). Sunflower is also used as bird food, as livestock forage (as a meal or a silage plant) and in some industrial applications. The plant was first domesticated in the Americas. Wild Helianthus annuus is a widely branched annual plant with many flower heads. The domestic sunflower, however, possesses a single large inflorescence (flower head) atop an unbranched stem. The name sunflower derives from the flower head's shape, which resembles the Sun.
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Sunflower seeds were brought to Europe from the Americas in the 16th century, where, along with sunflower oil, they became a widespread cooking ingredient.
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The plant has an erect rough-hairy stem, reaching typical heights of 3 meters. The tallest sunflower on record achieved 8.23 m (27 ft). Sunflower leaves are broad, coarsely toothed, rough and mostly alternate. What is often called the "flower" of the sunflower is actually a "flower head" (or flower heads) of numerous small individual 5=petaled flowers (florets).
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The outer flowers which resemble petals are called ray flowers. Each "petal" consists of a ligule composed of fused petals of an asymmmetrical ray flower. They are sterile and can be yellow, red, orange, or other colors. The flowers in the center of the head are called disk flowers. These mature into fruits (sunflower "seeds"). The disk flowers are arranged spirally. Generally, each floret is oriented toward the next by approximately the golden angle, 137.5�, producing a pattern of interconnecting spirals, where the number of left spirals and the number of right spirals are successive Fibonacci numbers. Typically, there are 34 spirals in one direction and 55 in the other; on a very large sunflower there could be 89 in one direction and 144 in the other. This pattern produces the most efficient packing of seeds within the flower head.
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June 7th, 2014
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