Sunflower

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Sunflower

Scientific classification
Kingdom: Plantae
Division: Flowering plant
Class: Magnoliopsida
Order: Asterales
Family: Asteraceae
Tribe: Heliantheae
Genus: Helianthus
Species: H. annuus
Binomial name
Helianthus annuus
L.

The sunflower (Helianthus annuus) is an annual plant in the family Asteraceae, with a large flower head (inflorescence). The stem of the flower can grow up to 3 metres tall, with the flower head reaching 30 cm in diameter.