下延叉蕨是热带簇生型蕨类植物,其株型大方优美,观赏性强。分株少,叶形整齐,叶片宽阔,终年翠绿,喜阴湿,养护简单。多土生,适于盆栽种植、室内观赏,也可以用于庭园绿化,假山、鱼池及其他园林景观配置。下延叉蕨根系生长迅速,病虫害较少,极易成活。植物学性状株高50～70cm,根状茎直立。叶簇生,纸质,翠绿色,叶缘光滑。一般为二型叶,不育叶较短且柔软,可育叶 Lower extension fork fern is a tropical cluster-type ferns, its generous graceful plant type, ornamental strong. Ramets less, leaf-shaped neat, broad leaves, green all year round, like wet, easy to maintain. More native soil, suitable for potted plants, indoor viewing, can also be used for landscaping, rockery, fish ponds and other landscape configuration. Lower extension fork root growth rapidly, fewer pests and diseases, extremely easy to survive. Botany height 50 ~ 70cm, rhizomes erect. Leaves clustered, paper, emerald green, smooth margin. Generally two types of leaves, sterile leaves shorter and soft, fertile leaves