Both heterospoiy and cirdnate plyxis occur in

Question

Both heterospoiy and cirdnate plyxis occur in (A) Dryopteris (B) Pinus (C) Cycas (D) Funaria

Tardigrade Admin · Accepted Answer

Cycas and Pinus both are heterosporous plants because they produce two types of spores megaspores and microspores. But circinate ptyxis is present in Cycas only. In circinate ptyxis, the leaf in a young stage coils in a special manner.

Q. Both heterospoiy and cirdnate plyxis occur in

Dryopteris

Pinus

Cycas

Funaria

Cycas and Pinus both are heterosporous plants because they produce two types of spores megaspores and microspores. But circinate ptyxis is present in Cycas only. In circinate ptyxis, the leaf in a young stage coils in a special manner.