Parts of plant: Aboveground parts green or dried in hay. Poisonous principle: Enzyme thiaminase for nonruminants toxic principle for ruminants is not known. Habitat: Railroad embankments, roadsides, stream banks, old fields, or moist woods.ĭistribution: Mainly mountains and piedmont less frequent in the coastal plain Tall, evergreen, harsh textured stem, infrequently branched unless the apex is damaged or removed cone terminal. Mainly mountains and piedmont, infrequently in the coastal plain Seasonally different stems in early spring, a thick, nongreen, brownish, unbranched stem with a terminal cone, ephemeral followed in early summer by a slender, green, profusely branched stem and lacking a cone. Whorled, minute, and fused into a sheath with terminal teeth cones terminal, formed of shield-shaped Horsetail, Scouring-rushĭescription: ( Fig.1) Stem erect, jointed, vertically ribbed, hollow leaves Herbaceous and are usually less than 3-4 ft tall.Įquisetum spp.
The stems or in clusters on the back of the leaves. Spores are found in either cone-like structures at the tip of Ferns and related plants reproduce by dispersing spores rather than
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