Compositae

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Compositae

Compositae (kɒmpəˈsiːtiː), also known as the Asteraceae, is a large and widespread family of flowering plants. The name is derived from the type genus Aster, and refers to the star-shaped flower head of its members.

Etymology

The name "Compositae" comes from the Latin compositus, meaning "put together" or "composed", which refers to the composite flowers that characterize the family. The alternative name, "Asteraceae", is derived from the type genus Aster, which comes from the Greek ἀστήρ meaning "star", and refers to the star-like form of the flower head.

Description

The Compositae family is characterized by its composite flower structure, where what appears to be a single flower is actually a composite of smaller flowers. The family includes many familiar species such as daisies, sunflowers, and chrysanthemums.

Taxonomy

The Compositae family is one of the largest families of flowering plants, with over 23,000 recognized species. It is divided into 12 subfamilies, including the Asteroideae, Cichorioideae, and Carduoideae.

Distribution and Habitat

Members of the Compositae family can be found in a wide range of habitats, from deserts to wetlands, and from sea level to high mountain regions. They are found on all continents except Antarctica.

Economic Importance

Many species within the Compositae family have economic importance. Some, like lettuce and artichoke, are important food crops. Others, like chamomile and echinacea, are used in herbal medicine. Still others, like dandelion, are considered weeds.

Related Terms

  • Inflorescence: The arrangement of flowers on a plant.
  • Capitulum: The type of flower head characteristic of the Compositae family.
  • Floret: A small flower that is part of a larger composite flower.

External links

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