Helminthostachys zeylanica (Kamraj) is a species of herb in the family Ophioglossaceae. They have pinnate leaves. They have alternation of generations.
Definition: plant obtaining organic carbon from a host green plant by tapping into an intermediary mycorrhizal fungus attached to the roots of the host plant
Definition: veins run parallel and equidistant to each other for most of the length of the leaf; they may converge or fuse (anastomose) towards the apex
Definition: The important feature of homospory is the four fold division involved in spore production, this takes the form of either a tetrahedra which gives a trilete (Y shaped scar) spore or a tetragon which gives a monolete (single linear scar) spore.
