Definition: A plant genus of the family PTERIDACEAE. Members contain entkaurane DITERPENES. The name is similar to bracken fern (PTERIDIUM).
do not X ref confuse FERN, BRAKE with FERN, BRACKEN see PTERIDIUM; PTERIS AQUILINA and PTERIS ESCULENTUM see PTERIDIUM are also available; coord with specific PLANT STRUCTURES term if pertinent; for use in therapy coord IM with PHYTOTHERAPY (IM) + diseas
