Sunflowers (Helianthus annuus) are annual plants native to the Americas, that possess a large inflorescence (flowering head).
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What is usually called the flower is actually a head(formally composite flower) of numerous florets (small flowers) crowded together. The outer florets are the sterile ray florets and can be yellow, maroon, orange, or other colors. The florets inside the circular head are called disc florets, which mature into seeds.
The florets within the sunflower's cluster are arranged in a spiral pattern. Typically 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.[1][2][3] This pattern produces the most efficient packing of seeds within the flower head.[4][5][6]
Sunflowers (Helianthus annuus) are annual plants native to the Americas, that possess a large inflorescence (flowering head).
....
What is usually called the flower is actually a head(formally composite flower) of numerous florets (small flowers) crowded together. The outer florets are the sterile ray florets and can be yellow, maroon, orange, or other colors. The florets inside the circular head are called disc florets, which mature into seeds.
The florets within the sunflower's cluster are arranged in a spiral pattern. Typically 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.[1][2][3] This pattern produces the most efficient packing of seeds within the flower head.[4][5][6]
Sunflowers are flowers that are in the family Asteraceae. Sunflowers are annuals meaning that they grow each and every year where they are planted. Unlike most flowers, humans can eat sunflowers.
In Sun flower family (Asteraceae) the flowers are bunched together to form Head or Capitulum. Thus sun flowers are made up of ray flowers (flowers pertaining to the periphery of the Head and disc flowers present inside. In many cases these two types are structurally different..
what is inflorescense of sunflower
florets
The Sunflower plant inflorescence at the time of anthesis move toward the sun due to phototropism.
cymose
cymose inflorescence (cyme; definite inflorescence) A type of flowering shoot (see inflorescence) in which the first-formed flower develops from the growing region at the top of the flower stalk
yeah
Sunflower having Capetulum type of inflorescence is pollinated by insects. Since all the flowers are at one place formation of sepals and petals is reduced to pappus and lesser area having petals. Thus at minimum expense the attraction of insects is maximum to these plants.
This is more or less an invalid question; the configuration of fruit within a plant is referred to as an infructescence. I'm not sure what type of infructescence a bunch of grapes is, but the flowers are arranged in a panicle inflorescence.
The answer is umbel.
it depends on the type of sunflower
The word inflorescence is a noun. It is a flower cluster.
The type of infloresence a lilac has is called a panicle. This means that lilacs have many flowers on a spike clustered together.