Lycopodium japonicum is a perennial herb with long leaves and climbing shape. The stem is slender, with longitudinal strips and no prickles. Leaves alternate; Oval, oblong-ovate to ovate-lanceolate, 6-9 cm long and 2.8-6.5 cm wide, with a tapering or acute apex, a wedge-shaped or nearly round base and smooth and hairless surfaces; There are 2 tendrils at the base of petiole.

Lycopodium pictures