Danaea References Danaea 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 classification…6 modern genera (Angiopteris, Christensenia, Danaea, Eupodium, Marattia, and Ptisana) with about 150 species, widely distributed in tropical regions. Subclass Polypodiidae (leptosporangiate ferns) Order Osmundales Family Read More…6 modern genera (Angiopteris, Christensenia, Danaea, Eupodium, Marattia, and Ptisana) with about 150 species, widely distributed in tropical regions. Subclass Polypodiidae (leptosporangiate ferns) Order Osmundales Family Read MoreMarattiaceaeDanaea has single synangia, sometimes extending from the midrib of the leaflet to the margin and open at the terminal end. The genus Christensenia has the synangia circular in outline, rather than oval, and features unusual palmately compound leaves. Read MoreDanaea has single synangia, sometimes extending from the midrib of the leaflet to the margin and open at the terminal end. The genus Christensenia has the synangia circular in outline, rather than oval, and features unusual palmately compound leaves. Read More
