A frond.
The leaf of a fern is usually known as a frond. A fern frond shouldn’t be like a standard leaf; it’s a advanced construction that originates as a tightly coiled spiral often called a fiddlehead or crozier, attributable to its resemblance to the pinnacle of a violin. Because it grows, the fiddlehead unrolls and expands right into a frond.
Fronds are sometimes massive and divided, exhibiting a wide range of patterns relying on the species of fern. They are often easy, with undivided leaf blades, or compound, with the leaf blade divided into smaller leaflets, or pinnae. Some ferns have much more advanced constructions, with the pinnae themselves being divided into even smaller segments, often called pinnules.
Every frond, along with its photosynthetic position, can produce spores, housed in constructions known as sporangia, sometimes discovered on the underside of the frond. These spores play a vital position in fern copy. Ferns are distinctive in that they possess a two-stage life cycle involving alternating generations, with the frond-bearing plant often called the sporophyte technology.