BIOXI03: PLANT KINGDOM
332179
Cones in pteridophytes are formed in
1 Salvinia
2 Selaginella
only
3 Equisetum
only
4 Selaginella
and
Equisetum
Explanation:
In some cases sporophylls may form distinct compact structures called strobili or cones (Selaginella, Equisetum).