os.mun.da
n.（名词）Any of several ferns of the genusOsmunda, having erect, bipinnately compound fronds and deeply contracted fertile pinnules. The fibrous roots are sometimes used as a potting medium for cultivated plants, and the young crosiers are used as food. 紫萁：一种紫萁 属的蕨类植物，长有直立的二次羽状复叶及深度皱缩的产孢子二次羽叶。其须根有时可用作栽培植物的盆栽培养基，其嫩叶卷头可用作食物
来源：New Latin Osmunda [genus name] 现代拉丁语 Osmunda [属名] from Middle English osmunde [a kind of fern] 源自 中古英语 osmunde [一种蕨] from Old French osmonde 源自 古法语 osmonde
