Biology, asked by ashiquemontaz21, 8 months ago

why the family asteraceae is regarded as highest evolved among the Dicotyledons​

Answers

Answered by ahsan57900
5

Answer:

The family asteraceae is regarded as highest evolved among the Dicotyledons because it contains about 32000 species, 13 sub families and 1900 genera and take the first place in the kingdom plantae. It is a family of plants that produces flowers. Most of the group members of this family are herbs but few numbers of shrubs and trees are also present.

Examples of plants included in the family asteraceae are sunflower, Aster, common daisy and marry gold etc.

Answered by krishnaanandsynergy
0

The Asteraceae (Compositae) family is believed to be the most advanced and highly evolved, and it holds the highest place in the plant kingdom.

Family Asteraceae:

  • The order Asterales includes about 32,000 recognized species of flowering plants in over 1,900 genera in the family Asteraceae, sometimes known as Compositae.
  • Compositae, sometimes known as the aster, daisy, composite, or sunflower family, was originally described in 1740.
  • Asteraceae, often known as Compositae, is the flowering-plant order Asterales' aster, daisy, or composite family.
  • The plants' composite flower heads and one-seeded achene fruits distinguish them.

Characteristics of Family Asteraceae:

  • These are plants such as herbs, shrubs, and trees. The majority of them are xerophytes, hydrophytes, or semi-aquatic plants.
  • Taproots are transformed into tubers.
  • The stem might be upright, hairy, woody, or prostrate. It may include latex on occasion.
  • The leaves might be radical, petiolate, exstipulate, or all of the above.
  • Flowers are tubular or ligulate, bisexual or unisexual, dithecous with joined anthers, and filament free.
  • The androecium is not present.
  • Gynoecium can be missing or present.
  • The seed has an endosperm.
  • Cypsela is the fruit produced.

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