equisetum


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Related to equisetum: Equisetum arvense

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.]

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]

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:
Noun1.equisetum - horsetailsEquisetum - horsetails; coextensive with the family Equisetaceae
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
References in periodicals archive ?
Dayanandan (1977) observed that Equisetum species "possess perhaps the most structurally complex stomata in the entire plant kingdom" (p.
In comparison with Orocantabrian and Pyrenean fens, the floristic composition is poor in character species of the alliance and order, lacking among them some plant specialist of these temperate fens: Equisetum variegatum, Pinguicula grandiflora, Pedicularis mixta, Selaginella selaginoides and Tofieldia calyculata (JIMENEZ-ALFARO & al.
Pinco-pinco Equisetaceae Equisetum bogotense Kunth Cola de caballo, Caballochupa Erythroxylaceae Erythroxylum coca Lam.
1 2 -- Cicuta virosa 4 -- -- Elodea canadensis 10 17 7 Equisetum fluviatile 5 7 1 Fontinalis antipyretica 29 14 5 Glyceria fluitans 9 4 2 Glyceria maxima 2 5 -- Hippuris vulgaris 2 4 -- Hydrocharis morsus-ranae 2 1 -- Iris pseudacorus 3 6 -- Lemna gibba 1 6 -- Lemna minor 19 18 2 Lemna trisulca 9 9 2 Mentha aquatica 16 14 3 Myriophyllum spicatum 6 4 -- Nuphar lutea 26 24 4 Phalaris arundinacea 21 15 6 Phragmites australis 10 7 3 Potamogeton alpinus 11 6 1 Potamogeton berchtoldii -- 2 -- Potamogeton crispus 1 -- -- Potamogeton gramineus 1 1 1 Potamogeton lucens 3 4 -- Potamogeton natans 4 1 -- Potamogeton perfoliatus 11 8 1 Potamogeton praelongus 6 2 1 Potamogeton sp.
Para la obtencion de los extractos crudos de accion biocida, se procesaron siguiendo diferentes metodologias, plantas de Allium sativum "ajo" Nicotiana tabacum "tabaco" Uriica magellanica "ortiga" Equisetum bogotense "cola de caballo", Ocimum basilicum "albahaca" y Petrosehnum sativum "perejil" Se realizaron 3 bioensayos con cada extracto, comprobandose a las 24 horas el 100% de mortandad de larvas cuando se aplico el extracto de Nicotiana tabacum "tabaco"; mientras que con los otros extractos la actividad fue nula.
raiz) 20% Arctostaphylos uva-ursi Sprengel (hoja) 20% Equisetum arvense L.
Only a few species, however, have consistently been found in nearly all seeps examined, including Agrostis gigantea (red top), Aster lateriflorus (side-flowering aster), Carex lurida (lurid sedge), Equisetum arvense (common horsetail), Eupatorium perfoliatum (perfoliate bone set), Glyceria striata (fowl manna grass), Impatiens capensis, Leersia virginica (white grass), Mimulus ringens (sessile monkey flower), Lobelia siphilitica (great blue lobelia), and Pilea pumila (clearweed).
7]) Ericaceae Arctostaphylos uva-ursi 1 (2) 1 (40) (Linnaeus) Sprengel Equisetaceae Equisetum hyemale Linnaeus 5 (4.
Su distribucion es cosmopolita Especies caracteristicas: Carex acutiformis, Eleocharis palustris, Equisetum giganteum, Phragmites australis, Scirpus californicus, Typha angustifolia y T.
This agent consists of five components; four are extracted from Chimaphila umbellata, Populus tremula, Pulsatilla pratensis and Equisetum arvense (coded as EVI-1, EVI-2, EVI-3 and EVI-4, respectively) and the fifth is germ oil from Triticum aestivum (coded as EVI-5).
46) con alto grado de extrativismo como Equisetum bogotense, Krameria lappacea, Muehlenbeckia volcanica, Perezia coerulescens, Senecio canescens, Senecio rhizomatus, Plantago major, Gnaphalium lacteum, entre otras; 36 especies (34.