![]() arvense is a nonflowering plant, multiplying through spores. Some herbicides remove aerial growth but regrowth quickly occurs albeit with a reduction in frond density. Fire, mowing, or slashing is ineffective at removing the plant as new stems quickly grow from the rhizomes. ![]() The plant is difficult to control due to its extensive rhizomes and deeply buried tubers. It has changed little from its ancestors of the Carboniferous period. The fertile stems are typically precocious and appear in early spring. The off-white fertile stems are of a succulent texture, 10–25 cm (3.9–9.8 in) tall and 3–5 mm (0.12–0.20 in) diameter, with 4–8 whorls of brown scale leaves and an apical brown spore cone. The solid and simple branches are ascending or spreading, with sheaths that bear attenuate teeth. Some stems can have as many as 20 segments. The erect or prostrate sterile stems are 10–90 cm (3.9–35.4 in) tall and 3–5 mm (0.12–0.20 in) diameter, with jointed segments around 2–5 cm (0.79–1.97 in) long with whorls of side shoots at the segment joints the side shoots have a diameter of about 1 mm (0.039 in). Description Įquisetum arvense creeps extensively with its slender and felted rhizomes that freely fork and bear tubers. One of these is E. calderi, a small form described from Arctic North America. Many species of horsetail have been described and subsequently synonymized with E. arvense. The common name "common horsetail" references the appearance of the plant that when bunched together appears similar to a horse's tail. The specific epithet arvense is from the Latin "arvum", meaning "ploughed", referencing the growth of the plant in arable soil or disturbed areas. Linnaeus described field horsetail with the binomial Equisetum arvense in his Species Plantarum of 1753. This allows this species to tolerate many conditions and is hard to get rid of even with the help of herbicides. Rhizomes can pierce through the soil up to 6 feet (1.8 m) in depth. It is sometimes confused with mare's tail, Hippuris vulgaris. The fertile stems are produced in early spring and are non- photosynthetic, while the green sterile stems start to grow after the fertile stems have wilted and persist through the summer until the first autumn frosts. It has separate sterile non-reproductive and fertile spore-bearing stems growing from a perennial underground rhizomatous stem system. ![]() campestre (Schultz) Rupr.Įquisetum arvense, the field horsetail or common horsetail, is an herbaceous perennial plant in the Equisetidae (horsetails) sub-class, native throughout the arctic and temperate regions of the Northern Hemisphere. ![]()
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