Opinions on Asteraceae

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The Asteraceae or Compositae (commonly referred to as the aster, daisy, composite, or sunflower family) are an exceedingly large and widespread family of flowering plants (Angiospermae).

The group has more than 23,000 currently accepted species, spread across 1,620 genera (list) and 12 subfamilies. In terms of numbers of species, the Asteraceae are rivaled only by the Orchidaceae. (Which of the two families is actually larger is unclear, owing to uncertainty about exactly how many species exist in each family.) Many members have a composite flower type in the form of capitula surrounded by involucral bracts. When viewed from a distance, the head of flowers may have the appearance of being a single flower (pseudanthium). 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 angiosperm ones to 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.

Most members of Asteraceae are herbaceous, but a significant number are also shrubs, vines, or trees. The family has a worldwide distribution and is most common in the arid and semiarid regions of subtropical and lower temperate latitudes.

The Asteraceae are an economically important family. Some members provide products, including cooking oils, lettuce, sunflower seeds, artichokes, sweetening agents, coffee substitutes, and herbal teas. Several genera are popular with the horticultural community, including marigold, pot marigold (also known as calendula), cone flowers, various daisies, fleabane, chrysanthemums, dahlias, zinnias, and heleniums. Asteraceae are important in herbal medicine, including Grindelia, Echinacea, yarrow, and many others. A number of species have come to be considered invasive, including, most notably in North America, dandelion, which was originally introduced by European settlers who used the young leaves as a salad green.

In the image below, you can see a graph with the evolution of the times that people look for Asteraceae. And below it, you can see how many pieces of news have been created about Asteraceae in the last years.
Thanks to this graph, we can see the interest Asteraceae has and the evolution of its popularity.

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