Wild vegetable Laoniuguang is not bracken.

Osmunda cassia. Commonly known as Wei Cai, Niu Mao Guang and Lao Niu Guang, they belong to fern Osmundaceae and are perennial herbs. Rhizomes are erect, and the big ones can be small trunk-shaped, with a diameter of 2 cm and leaves clustered at the top. Leaf type II, densely covered with red fluff when young, sterile mouth oblong or long and narrow, 4-65cm long and 18-25cm wide, bipinnately parted, with 2 or more pairs of pinnae, lanceolate.

Pteridium aquilinum is a variety of Pteridium in Pteridaceae. Its rhizome is long and transverse, densely covered with rusty yellow fur, and then gradually falls off. Ye Yuansheng; The stalk is 2-8 cm long, the base is 3-6 mm thick, brown or brown straw color, slightly shiny and smooth, with a shallow longitudinal groove on it. The leaves are nearly leathery or leathery after drying, dark green, hairless above, and somewhat brown or gray-white sparse or hairless below the main veins of the lobes.

Extended information:

There are two kinds of dried vegetables, namely' dried Osmunda japonica' made from tender leaves, namely' dried China Hong Wei' and' dried green', which are one of the important vegetables exported to earn foreign exchange in China at present, and are high-end and tight pollution-free products in the international market.

The nutritional value of wild vegetables is very high, especially in Dumuhe Forest Farm of Dongfanghong Forestry Bureau. Every May, many people go up the mountain to pick vegetables, which are expensive. Born in sparse forests, forest margins, scrub and swamp meadows at an altitude of 5-1,3m in Changbai Mountain area. Edible when tender, it is a delicious nutritional product and is deeply loved by consumers at home and abroad.

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