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Equisetum myriochaetum
Mexican giant horsetail is the largest horsetail species, a semi-aquatic, rhizomatous plant that grows along riverbanks and wet ground, reaching about 4.6 m. It is grown mainly in wet, sunny spots such as pond margins or bog gardens.
Equisetum myriochaetum, also known as Mexican giant horsetail, is a species of horsetail that is native to Nicaragua, Costa Rica, Colombia, Venezuela, Ecuador, Peru and Mexico.
It is the largest horsetail species, commonly reaching 4.6 metres (15 ft), with the largest recorded specimen having a height of 7.3 metres (24 ft). At each node is a whorl of as many as 32 branchlets. It is semi-aquatic and is often found growing on riverbanks. The species is harvested for medicinal uses and testing.
The Mexican giant horsetail has been used as a diuretic in traditional medicine. . In Mexico, the plant is commonly used for it's hypoglycemic effects to aid in kidney disease and type 2 diabetes. Research has been looking into antioxidant , antiproliferative property. Its antioxidant activity has been considered as a possible treatment for cervical cancer, with its antiproliferative properties observed in tests on ovarian cancer but this research is in early phases. Like other members of the Equisetum family, the Mexican giant horsetail contains a large amount of biogenic silica, which is used to make silicon products. Silica products range from crop protection to various tinctures and house remedies but these can be dangerous as all known members of the horsetail family contain thiaminase.
Field Horsetail · Andean Horsetail · Braun's Horsetail · Equisetum diffusum · Water horsetail · Southern Giant Horsetail · Rough Horsetail · Smooth horsetail · Equisetum ×moorei · Marsh horsetail · Scouringrush Horsetail · Shady Horsetail
Text excerpted from the Wikipedia article Equisetum myriochaetum by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
