Chinese name: Kidney fern

Latin name: Nephrolepis auriculata (L. ) Trimen

Aliases: round fern, grate grass, phoenix egg, CentipedeGrass, Phytophthora

Distribution: Widespread in tropical and subtropical regions of the world

Subject: Nephrofernidae

Kidney Fern is an epiphyte or a native plant. Rhizomes erect, covered with fluffy light brown long subulate scales, and the lower part has thick wire-like stolons spreading in all directions, and the stolons are brown. Kidney fern likes a warm and humid environment, the optimum temperature for growth is 16 to 25 degrees Celsius, and it should not be lower than 10 degrees Celsius in winter. Strong natural germination power, prefers half shade, avoids direct sunlight, and does not have strict requirements on soil. Neutral or slightly acidic sandy loam that is loose, fertile, breathable, and rich in humus grows best, not cold-resistant, relatively drought-tolerant, and tolerant to barren.

2. The main value of kidney fern

The main value of kidney fern is reflected in four aspects, one of which is economic value. This species is an ornamental fern widely cultivated around the world. Tubers are rich in starch and are edible and medicinal. The second is the garden value. The potted kidney fern can embellish desks, coffee tables, windowsills and balconies. Hanging basins can also be hung in guest rooms and study rooms. The third is ecological value. Kidney fern can adsorb heavy metals such as arsenic and lead, and is known as soil cleaner. The last is the medicinal value. Kidney fern is a traditional Chinese medicinal material. It is used as medicine with whole grass and tubers. It can be harvested all year round. Commonly used for cold and fever, cough, tuberculosis, hemoptysis, dysentery, acute enteritis, etc.

3. Planting method of kidney fern

The planting method of kidney fern can be propagated by ramets, spores, tubers and stolons. Propagation is the most commonly used. Combined with changing pots from April to May every spring, the rhizomes are longitudinally cut into several parts, 2-3 nodes are a clump, and the roots and leaves can be planted separately. Tuber propagation is to cut tubers with a part of stolons, transplant them in loose and permeable soil, or directly sow tubers, and new plants will grow soon. For stolon propagation, iron wire can be used to fix the stolons on the soil surface, and the mother plant can be cut off after a new plant grows. After the ramets are planted, keep the humidity, shade and avoid the wind.

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