Equisetum hyemale, commonly known as rough horsetail, scouring rush, scouringrush horsetail and in South Africa as snake grass, is a perennial herb in the. American Horsetail Commonly known as American Horsetail, the stems are thicker than Equisetum hyemale, plus they are an attractive pink colour when young. The stems are thicker than. Equisetum hyemale, plus they are an attractive pink colour when young. Leave old growth standing through winter, cut down in.

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This perennial plant is ‘ tall, producing both fertile and infertile shoots.

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This cone is ovoid to broadly ellipsoid in shape, and it has a short narrow point at its apex. At the present time, only Equisetum hyemale affine is recognized for North America. Because of its tall stems and tendency to form dense colonies, Scouring Rush provides excellent cover for various kinds of wildlife, including wetland birds, small mammals, reptiles, amphibians, and insects.

Adequate water, mulch and a mid-season trim help ensure their staying power. In nature Equisetum hyemale grows in mesic reliably moist habitats, often in sandy or gravelly areas.

Robustum G Each 7. Please fill out our Registration Form to receive news of updates to the web site, availability of new plants, give us your feedback, and to be on the mailing list to receive future printed catalogs. A low-lying area along a pond in Champaign, Illinois, and a drainage ditch near the Windsor Road Prairie of the same city. Except along their upper and lower rims, the sheaths are whitish grey, brown, or black.

Two Equisetum plants are sold commercially under the names Equisetum japonicum barred horsetail and Equisetum camtschatcense Kamchatka horsetail. The stems are generally deciduous in cold climates, and remain during winter in warmer climates. The arresting foliage of these easy-care, low growing perennials remains tidy well into November.


The central stem of each fertile shoot terminates in a spore-bearing cone up to 2″ robustu on a short stalk. The central stem is medium green, olive-green, or dark green, rough in texture, and evergreen. Current Staff’s Favorite Plant.

Some Plateau Indian tribes boiled the stalks to produce a drink used as a diuretic and to treat venereal disease. Articles with ‘species’ microformats Commons category link is on Wikidata Taxonbars with 25—29 taxon IDs. This page was last edited on 10 Novemberat Go-Green Holiday Sale ! The plant is sometimes sold in the nursery trade as “barred horsetail” or ” Equisetum japonicum “, but is different in appearance than Equisetum ramosissimum var.

The stem joints have about fine robustkm ridges.

Insects that feed on horsetails Equisetum spp. A retail and mail-order plant nursery specializing in unusual and hard-to-find perennials, ornamental grasses, shrubs, trees, and vines. It is primarily found in wetlandsand in riparian zones of rivers and streams where it can withstand seasonal flooding. The tiny leaves are joined together around the stem, forming a narrow black-green band or sheath at each joint.

Equisetum hyemale has vertical jointed reed-like stalks of medium to dark green. This latter variety or species is more tall and stout than Equisetum hyemale affineand the teeth of its sheaths are supposed to be more persistent. The larvae of the weevil and sawflies feed on the stems. This plant is usually found in degraded habitats and less often in higher quality natural areas.

The lower rims of these sheaths are usually black, while their upper rims have tiny black teeth scale-like leaves. In other projects Wikimedia Commons Wikispecies.

By using this site, you agree to the Terms of Use and Privacy Policy. These tough stems were used to scour pots, pans, and floors during pioneer days, hence the common name. The Scouring Rush can be distinguished from other horsetails Equisetum spp. Boasting equisettum strong architectural appeal, this California native has sturdy bamboolike stems and is much taller than the species. I am always impressed by the large dense colonies that are often formed by the stems of this plant.


American horsetail (Equisetum robustum)

In spite of this common name, the Scouring Rush Equisetum hyemale affine is not a rush, but a horsetail. Hardy to zone 4. However, drier conditions and other kinds of soil are tolerated.

Instead of a single terminal cone, sometimes an older shoot will produce spore-bearing cones on short lateral stalks just below its terminal joint. Usually this species is easy to identify, although sometimes it forms sterile hybrids with other horsetails. The horsetails are closely related to ferns and both were common during the Carboniferous period million years agowhen tree-sized horsetails and ferns occurred.

These teeth are semi-deciduous and they often break off equisetuj sheaths with age. These are both types of E. Root barriers or large sunken planters ease containment in the garden.

American horsetail (Equisetum robustum Stock Photo: – Alamy

equiseetum However, some local populations of the Scouring Rush resemble Equisetum hyemale robustum or Equisetum robustumwhich was recognized as native to this continent in the past. Equisetum hyemalecommonly known as rough horsetail[1] scouring rushscouringrush horsetail and in South Africa as snake grass, is a perennial herb in the fern Division Pteridophyta. Habitats include sand dunes, swales in black soil prairies and equisetuk prairies, degraded railroad prairies, low-lying areas along rivers and ponds, marshes, seeps in open wooded areas, roadside ditches, pastures, and gravelly railroad wquisetum including the gravel ballast.

Scouring rush Conservation status. This plant is widely distributed in both North America and Eurasia; the typical variety or subspecies occurs in Eurasia.

Wikimedia Commons has media related to Equisetum hyemale.