eq·ui·se·tum

(ĕk′wə-sē′təm)

n. pl. eq·ui·se·tums or eq·ui·se·ta (-tə)

[Latin equisaetum, horsetail : equus, horse; see ekwo- in Indo-European roots + saeta, bristle, stiff hair.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

equisetum

(ˌɛkwɪˈsiːtəm)

n, pl -tums or -ta (-tə)

(Plants) any tracheophyte plant of the genus Equisetum, which comprises the horsetails

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

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

horse•tail

(ˈhɔrsˌteɪl)

n.

a nonflowering plant of the genus Equisetum, family Equisetaceae, with hollow jointed stems bearing scaly leaves and a spikelike cone bearing spores.

[1350–1400]

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

Equisetum - horsetails; coextensive with the family Equisetaceae

genus Equisetum

fern genus - genera of ferns and fern allies

Equisetaceae, family Equisetaceae, horsetail family - sole surviving family of the Equisetales: fern allies

horsetail - perennial rushlike flowerless herbs with jointed hollow stems and narrow toothlike leaves that spread by creeping rhizomes; tend to become weedy; common in northern hemisphere; some in Africa and South America

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References in periodicals archive

Horsetails are known to tolerate stressful soil environments and this ability appears to extend all the way back to the Jurassic, where Equisetum thermale inhabited a geothermal environment likely characterized by high levels of mercury, arsenic and other elements that tend to be phytotoxic (Channing et al., 2011).

Biology and functional ecology of Equisetum with emphasis on the giant horsetails

Check out equisetum, a plant that hearkens to ancient fern forests some 350 million years ago.

It's 350 million years old, and it's in our backyard: Meet the horsetail

Good plants around ponds in partial shade include Water horsetail (Equisetum fluviatile), dogwood (Cornus alba), Siberian iris 'Caesar's Brother' (Iris sibirica), water forget-me-not (Myosotis scorpioides) and yellow iris (Iris pseudacorus).

Keeping it cool outdoors; Plant pro Mark Sage reveals how to create a shady sanctuary in your garden

"We learned how to make salves, syrups and soaps, which we use medicinally and sell at the market." She uses horsetail (Equisetum) for kidney health and narrow strap fern (Campyloneurum angustifolium) for building the blood and healing skin conditions.

We Don't Own Nature: Coffee Producers and Diversification

For several groups of plants, profiles of these compounds have been reported as worthy chemomarkers because they were species-specific, like Equisetum (Veit et al., 1995), Pinus (Almaraz-Abarca et al., 2006), and Salvia (Kharazian, 2014).

Foliar phenolic compounds of ten wild species of Verbenacea as antioxidants and specific chemomarkers/Compostos fenolicos das folhas de dez especies selvagem de Verbenaceae como antioxidantes e quimiomarcadores especificos

Arbuscular mycorrhizas and dark septate fungi in Lycopodium paniculatum (Lycopodiaceae) and Equisetum bogotense (Equisetaceae) in a Valdivian temperate forest of Patagonia, Argentina.

Micorriza arbuscular, Mucoromycotina y hongos septados oscuros en helechos y licofitas con distribucion en Mexico: una revision global

1.5 2.22 0.63 Drained basin 2 (Mean similarity = 72.64) Equisetum arvense 58.6 42.24 3.08 Salix spp.

Vegetation succession and environmental conditions following catastrophic lake drainage in Old Crow Flats, Yukon

(Prunus amygdalus dulcis (sweet almond) oil, Equisetum

Carrot moisturizing body lotion

In contrast, extracts of aerial parts of Equisetum giganteum and Nephrolepis exaltata had no effect on L.

Allelopathic Activity of Extracts from Different Brazilian Peanut (Arachis hypogaea L.) Cultivars on Lettuce (Lactuca sativa) and Weed Plants