from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Plural form of horsetail.


Sorry, no etymologies found.


  • Still, if you have ever gathered "horsetails," you will see at once that those trees in the foreground of the picture (Fig. 51), with leaves arranged in stars round the branches, are only larger copies of the little marsh-plants; and the seed-vessels of the two plants are almost exactly the same.

    The Fairy-Land of Science

  • Vertical plants such as horsetails, rushes and papyrus are a key element in designing such an environment and one of the loveliest - and lesser known - of these moisture-loving verticals is Baumea rubiginosa 'Variegata,' otherwise known as variegated striped rush.

    SFGate: Top News Stories

  • Silica is also important in many cells that require it to retain rigidity in cells walls, such as horsetails or sponges.

    CreationWiki - Recent changes [en]

  • "horsetails," of the present; but they bore characteristics of higher classes in the woody structures of their stems.

    The Elements of Geology

  • Here over thirteen hundred footprints of the plant-eating apatosaurus a.k.a. brontosaurus and the carnivorous three-toed allosaurus, ripple marks, a few clams, a palm frond and some horsetails, fish bones, ooids have all solidified into solid rock.

    Bird Cloud

  • When we woke, the sky was a washed blue streaked with high thin horsetails and the waves thundered in just overhead high, row after row.


  • The tall horsetails Nash liked so much waltz up the track to greet me: chimney brushes on gartered stems.


  • Approximately 160 species of phanerogams, three club-mosses Lycopodium annotinum, Diphasiastrum alpinum and Huperzia selago, two horsetails Equisetum arvense and E. variegatum, and four ferns Cystopteris fragilis, Dryopteris fragrans, Woodsia ilvensis and Woodsia glabella occur in the nominated area.

    Ilulissat Icefjord, Denmark-Greenland

  • Fossil ferns, such as Cladophlebis sp. and horsetails have also been found.

    Ischigualasto-Talampaya, Argentina

  • A typically Central Asian composition of the Gissaro-Alai flora is expressed in predominance of Fabaceae (especially Astragalus spp.), Asteraceae (especially Cousinia spp.), Brassicaceae, Poaceae, Lamiaceae, various wild onions (Allium spp.), while the diversity of ferns, horsetails, sedges and willows is very limited.

    Gissaro-Alai open woodlands


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