Yellow daisies (Asteraceae or Compositae) in Kolomna, Russia
Asteraceae or Compositae (commonly referred to as the aster, daisy, or sunflower family) is an exceedingly large and widespread family of Angiospermae. The group has more than 23,000 currently accepted species, spread across 1,620 genera and 12 subfamilies. In terms of numbers of species, Asteraceae is rivaled only by Orchidaceae. (Which of the two families is actually larger is unclear, owing to uncertainty about exactly how many species exist in each family). The main feature of the family is the composite flower type in the form of capitula surrounded by involucral bracts. The name "Asteraceae" comes from Aster, the most prominent genus in the family, that derives from the Greek ἀστήρ meaning star, and is connected with its inflorescence star form. As for the term "Compositae", more ancient but still valid, it obviously makes reference to the fact that the family is one of the few angiosperms that have composite flowers. This family has a remarkable ecological and economical importance, and is present from the polar regions to the tropics, colonizing all available habitats. The Asteraceae may represent as much as 10% of autochthonous flora in many regions of the world.
Size: 3744px × 5616px
Location: Posadskaya Street 4, Kolomna, Moscow Region, Russian Federation, Eastern Europe
Photo credit: © DE ROCKER / Alamy / Afripics
License: Licensed
Model Released: No
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