Organisms

Equisetum

The only living genus of the order Equisetales, class Equisetopsida (Sphenopsida), division Equisetophyta (Sphenophyta); distantly related to ferns. It grows in moist places. The hollow, jointed, ridged stems contain SILICATES.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The only living genus of the order Equisetales, class Equisetopsida (Sphenopsida), division Equisetophyta (Sphenophyta); distantly related to ferns. It grows in moist places. The hollow, jointed, ridged stems contain SILICATES.

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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MeSH Record

Synonyms

4 entry terms
  • Horsetail
  • Equisetums
  • Horsetails
  • Equisetaceae

MeSH Record

Aspects Covered

20 allowable subheadings

Indexed with the subheadings adverse effects, anatomy & histology, chemistry, classification, cytology, drug effects, embryology, enzymology, genetics, growth & development, immunology, metabolism, microbiology, parasitology, physiology, poisoning, radiation effects, toxicity, ultrastructure, virology.

MeSH Record

History Note

2000

MeSH Record

Previous Indexing

  • Plants (1971-1999)
  • Plants, Medicinal (1976-1999)

MeSH Hierarchy

Tree Number

  1. B01w.875w.800w.575w.175w

AMA Style

References

  1. National Library of Medicine. Equisetum. Medical Subject Headings (MeSH). 2026. Unique ID D020829. http://id.nlm.nih.gov/mesh/2026/D020829
  2. Equisetum. In: Wikipedia. https://en.wikipedia.org/wiki/Equisetum
  3. Equisetum. In: Wikidata. https://www.wikidata.org/wiki/Q28114