Fern is not a gymnosperm, but a plant of the fern and crested fern family, as it is a lower sporophyte, not a seed plant, and is not seed-producing. The fern plant can be up to 1 meter tall, and the fronds are dry and nearly leathery, dark green in color, and glabrous at the tips. Its leafy shoots and young stems are nutritious and edible. This plant does not flower.
Fern Classification
There are many types of ferns, such as European fern, Yunnan fern, edible fern, hairy axillary fern and so on. The main difference lies in the appearance.
1, Europe fern:
Strain can be as high as 1m, long rhizome, yellow hairs on it, leathery leaves, widely distributed in Europe and Africa.
2, Yunnan fern:
Yunnan fern's petiole is very thick, leaf blade linear lanceolate, pinnae groove with gray hairs, distributed in Yunnan.
3, Eating Fern:
Fern stems about 50 cm long, yellowish brown in color, glossy, leaves oblong, triangular, distributed in Guangxi and Hainan provinces.