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The Horsetail is usually found in the northern hemisphere
We can usually found it in a close proximity to wetlands or water such as rivers to a height of 1800m
It is a herbaceous perennial plant with rhizomes and stems dimorphic, there are steriles and fertiles
The fertile stems reach about 30 cm maximum and end up in a hood called spore cone
These stems are usually erect a pale brown, empty, hard and rough
In a spore cone is where we find the sporangia, which is the place from where they disperse spores
As weed causes a lot of damage on the ground and is difficult to eradicate it being a perennial
The sterile stems are thicker and higher as they can reach up to 60 cm
It consist of a series of whorls (cylindrical structures)
At nodes there is the crowns microfil
They are plants that contain a large number of trace elements such as organic silicon, flavonoids and tannins
They also contain saponosides. Mainly equisetonina
It principally causes a diuretic action, but it is also a good antidiarrheal, astringent and healing
Anciently they were used in the cleaning of objects of tin and there were ate similar to asparagus
Currently is used in the treatment of heart failure and renal edema. In farming used to combat pests and some fungi