English > horsetail: 1 sense > noun 1, plant| Meaning | 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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| Member of | Equisetum, genus Equisetum | horsetails |
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| Parts | cone, strobilus, strobile | cone-shaped mass of ovule- or spore-bearing scales or bracts |
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| Narrower | common horsetail, field horsetail, Equisetum arvense | Of Eurasia and Greenland and North America |
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| marsh horsetail, Equisetum palustre | Scouring-rush horsetail widely distributed in wet or boggy areas of northern hemisphere |
| scouring rush, rough horsetail, Equisetum hyemale, Equisetum hyemale robustum, Equisetum robustum | evergreen erect horsetail with rough-edged stems |
| swamp horsetail, water horsetail, Equisetum fluviatile | Eurasia |
| variegated horsetail, variegated scouring rush, Equisetum variegatum | Northern North America |
| wood horsetail, Equisetum Sylvaticum | Eurasia except southern Russia |
| Broader | fern ally | pteridophytes of other classes than Filicopsida |
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| Spanish | cola de caballo, equisetácea |
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