equisetum

[ek-wuh-see-tuhm]

noun

plural

equisetums, equiseta 

1. any plant of the genus Equisetum, comprising the horsetails.

equisetum

/ ˌɛkwɪˈsiːtəm /

noun

1. any tracheophyte plant of the genus Equisetum, which comprises the horsetails

Other Word Forms

• equisetic adjective

Word History and Origins

Origin of equisetum¹

1820–30; < New Latin; Latin equisaetum, equivalent to equi-, combining form of equus horse + saet ( a ) bristle + -um neuter noun suffix

Word History and Origins

Origin of equisetum¹

C19: New Latin, changed from Latin equisaetum, from equus horse + saeta bristle

Example Sentences

The study, titled "Extreme triple oxygen isotope fractionation in Equisetum," examines horsetails, which are hollow-stemmed plants that have existed on the planet for more than 400 million years.

Read more on Science Daily

With ceramic blue agave and euphorbia towering over the succulent garden, turquoise equisetum rising above a bed of artichokes, and the soothing sounds of a ceramics-filled bubbling lily pond, the intimate setting is a welcome dose of beauty and calm during troubling times.

Read more on Los Angeles Times

Her team zeroed in on the nutritional content of low-growing, spore-bearing horsetails, or Equisetum, which were widespread during the Jurassic period and still grow today.

Read more on Science Magazine

Equisetum is rich in protein, they say, and far more nutritious than the ferns, cycads, and conifers common in the dinosaur era.

Read more on Science Magazine

The houttuynia Chameleon, a leafy ground cover, is impossible to remove, much like equisetum, and both go wild in wet soils.

Read more on Washington Post