1、 Rhizome

The whole plant of Nest Fern is about 1-1.2m high. The rhizome is relatively upright, thick and short, woody, dark brown in color, about 2-3cm thick, with dense scales at the apex, linear, about 1-1.7cm long, fibrous and curly at the apex, curly long cilia at the edge, dark brown and membranous

2、 Blade

The leaves of Nest Fern are clustered, with broad needles, about 90-120cm long, thick paper or thin leather, dark straw color, smooth surface, gray green after drying, and hairless on both sides. The apex is pointed, the middle is wide, and the widest part is about 9-15 cm. It will gradually narrow down. There is a wide longitudinal groove on it, the edge is entire, and there is soft bone narrowing