Is Adiantum in the flowerpot harmful to human body?

Adiantum can purify indoor air, absorb gases harmful to human body, relax people's mood, help improve sleep quality, and is harmless to human body.

Data expansion

Adiantum belongs to Adiantum family. Adiantum is a small and medium-sized terrestrial fern with slender rhizome and densely covered with brown lanceolate scales. The stalk is slender, chestnut black, shiny, the leaves are ovate-triangular, pointed, the base is wedge-shaped, the pinna are alternate, obliquely upward, oblong-oval, round and blunt, the top of the fertile lobe is truncated, straight or slightly concave, and the sporangium group is transverse to the upper edge of the fertile terminal pinna; The long and long kidneys of Indus form a round kidney shape, yellow-green, with coarse grains on the peripheral wall of spores, which are often preserved after treatment.

Morphological characteristics: small and medium-sized terrestrial ferns, plant height 15-40 cm. Rhizomes slender and transverse, densely covered with brown lanceolate scales. Leaves are far or near; The stem is 5-20cm long, about 1mm thick, slender, chestnut black and shiny. The base is covered with the same scale as the rhizome, smooth and upward, with triangular leaves, length 10-25cm, width 8- 16cm, sharp tip and wedge-shaped base. Most of them are bipinnate below the middle, and the middle. 3-5 pairs of pinna, alternate, obliquely upward, stipitate (up to 65438 0.5cm), a pair of larger ones at the base, 4.5-9cm long and 2.5-4cm wide, oblong and oval, blunt, with odd pinnate compound leaves once (at least twice), and 2-4 pairs of lateral terminal pinna, alternate. Length 1.2-2cm, width 1- 1.5cm, round upper edge, with 2-4 shallow or deep-divided strips. The tips of sterile lobes are blunt, with broad triangular serrations or gnarled teeth. The top of the fertile lobe is truncated, straight or slightly concave, and there are many teeth on the edge or both sides. The second pair of feathers is 2.5-5cm away from the base pair, and the upward direction of each pair is the same as that of the base pair, with a slight gradual change.

Origin and habitat: Adiantum is a world species. In China, it is widely distributed in Taiwan Province, Fujian, Guangdong, Guangxi, Hunan, Hubei, Jiangxi, Guizhou, Yunnan, Sichuan, Gansu, Shaanxi, Shanxi, Henan, Hebei and Beijing. It is also widely distributed in Africa, America, Europe, Oceania and other warm areas in Asia. Type specimens were collected from Europe (UK). Adiantum usually grows on limestone beside flowing streams, or at the bottom of limestone caves and dripping rock walls. It is an indicator plant of calcareous soil, with an altitude of 100-2800 meters.

Pest control: Adiantum. Leaf blight often occurs, and Bordeaux solution can be used to control it at the initial stage. In severe cases, 70% thiophanate methyl 1000- 1500 times solution is used. If scale insects harm plants, 40% omethoate 1000 times solution is used.

Main value

Ornamental: Adiantum is small and unique, suitable for small potted plants, dotted with rock bonsai, and placed on desks, windowsills and low cabinets, which is exquisite and free and easy; Or placed in halls, corridors, steps, or hung; You can also cut the vase and mix it with flowers to become an ideal material for cut flowers or dried flowers. In Jiangnan gardens, it is mostly used to arrange gaps between rockeries and shady corners. [4]

Medicinal: Adiantum northeast is used as medicine. Bitter and cold. It has the effects of clearing away heat, promoting diuresis, relieving swelling and toxic materials, relieving cough and asthma, and promoting diuresis and stranguria. Can be used for treating lymphadenitis, mastitis, dysentery, poisonous snake bite, cough due to lung heat, hematemesis, metrorrhagia, postpartum blood stasis, urinary tract infection and calculus, and upper respiratory tract infection.