Marattia References Images Marattia plant genus Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: fern/ Annotated classificationChristensenia, Danaea, Eupodium, Marattia, and Ptisana) with about 150 species, widely distributed in tropical regions. Subclass Polypodiidae (leptosporangiate ferns) Order Osmundales Family Osmundaceae Read MoreChristensenia, Danaea, Eupodium, Marattia, and Ptisana) with about 150 species, widely distributed in tropical regions. Subclass Polypodiidae (leptosporangiate ferns) Order Osmundales Family Osmundaceae Read MoreMarattiaceaeMarattia, Ptisana, and Eupodium (the latter two having been formerly placed in Marattia) have the sporangia united in clusters called synangia, which are paired along each side of certain leaf veins and open toward the leaflet axis in this genus. Danaea has single synangia, sometimes… Read MoreMarattia, Ptisana, and Eupodium (the latter two having been formerly placed in Marattia) have the sporangia united in clusters called synangia, which are paired along each side of certain leaf veins and open toward the leaflet axis in this genus. Danaea has single synangia, sometimes… Read More
