palea References palea in ferns Ask Anything Homework Help Also known as: paleae 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/ Surface structureScales (also known as paleae) are each defined as a cell plate two or more cell rows wide, at least at the base, whereas hairs each generally consist of a single row of cells. Transitional states are also known. Read MoreScales (also known as paleae) are each defined as a cell plate two or more cell rows wide, at least at the base, whereas hairs each generally consist of a single row of cells. Transitional states are also known. Read More