Daisy and Sunflower Species Stock Video Footage


daisy

Asteraceae or Compositae (commonly referred to as the aster, daisy, composite, or sunflower family), is a very large and widespread family of flowering plants (Angiospermae). The family includes over 32,000 currently accepted species, in over 1,900 genera (list) in 13 subfamilies. In terms of numbers of species, the Asteraceae are rivaled only by the Orchidaceae. Which is the larger family is unclear, because of the uncertainty about how many extant species each family includes. Nearly all Asteraceae bear their flowers in dense heads (capitula or pseudanthia) surrounded by involucral bracts. When viewed from a distance, each capitulum may appear to be a single flower. Enlarged outer (peripheral) flowers in the capitula may resemble petals, and the involucral bracts may look like a calyx. The name Asteraceae comes from the type genus Aster, from the Ancient Greek ἀστήρ, meaning star, and refers to the star-like form of the inflorescence. The alternative name Compositae is still valid under the International Code of Nomenclature for algae, fungi, and plants.) It refers to the "composite" nature of the capitula, which consist of a few or many individual flowers. Learn more about Daisy and sunflower

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