Which of the following statements is correct?

Which of the following statements is correct?

Option 1 Horsetails are gymnosperms

Option 2 Ovules are not enclosed by ovary wall in gymnosperms

Option 3 Selaginella is heterosporous, while Salvinia is homosporous

Option 4 Stems are usually unbranched in both Cycas and Cedrus

Option 2 is correct