Composition (Asteraceae) is regarded as the highest evolved family in the dicots"".Give reasons
Answers
Answered by
0
Answer:
compositae or Asteraceae is considered as the highest evolved family in dicots because of the following advanced characters.
1.It is the largest family comprising 1528 genera and 23840 species and it show cosmopolitan distribution.
2. majority of plants are herb and annuals.
3. capitulum is the most evolved type of inflorescence.so that hundreds of flowers are seated in a small space and which can be pollinated by a single visit of an insects
4.Flowers are epigynous and ovary inferior
5. calyx is reduced and modified to pappie .
6. corolla is gamopetalaous and inconspicuous.
7. Androecium comprises epipetalous stamen
8.fruits are wind dispersed .thus plants have an efficient mechanism of fruit dispersal.
Similar questions