Ferns have unique morphological characteristics: ·Young leaves: curved in shape, shaped like a cat's claw or a child's fist * Mature leaves: after unfolding, they are like phoenix tails, and they are egg-shaped and triangular in shape· · Plant height: up to about 1 meter ·Rhizome: long and horizontal, purple-black or dark brown Because of its unique form and meaning, ferns have many aliases all over our country, such as fist vegetables, longtou vegetables, Ruyi vegetables, longevity vegetables, auspicious vegetables, etc. Each name reflects people's observation of it and beautiful sustenance.  Nutrition and medicinal value of ferns Nutrients Ferns are rich in a variety of nutrients needed by the human body. According to the analysis: · Fresh products contain 1.04 mg of carotene, 20.13mg of vitamin B, and 27 mg of vitamin C per 100 grams · Each gram of dry product contains 31.8mg of potassium, 1.9mg of calcium, 3.39mg of magnesium, and 5.16mg of phosphorus · It is also rich in amino a…

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