Question

why circinate venation occurs in pteropsida? ​

Answer 1

Answer:

Pteropsida represent the most highly evolved group among the lower vascular plants. In this group are included some of the most beautiful, and most familiar plants called Ferns which are the joy and pride of a gardener.

The delicate, varied and highly attractive foliage of ferns have made them a must in any garden. Of all the pteridophytes, ferns are the most widely distributed. The living ferns are represented by 305 genera and nearly 10,000 species.