Examples include certain species of Lycopodium and Selaginella, which have two rows of lateral leaves and one or two rows of smaller abaxial or adaxial leaves.
Examples include certain species of Lycopodium and Selaginella, which have two rows of lateral leaves and one or two rows of smaller abaxial or adaxial leaves.
例如石松属和卷柏属，植物体上具有双行较大的侧生叶，还有1行或2行较小的生于近轴面或远轴面的叶。