Eastern Bottlebrush Grass Plant Information
Eastern Bottlebrush Grass grows in the following 35 states:Connecticut, District Of Columbia, Georgia, Illinois, Indiana, Kansas, Kentucky, Maryland, Minnesota, Nebraska, New Hampshire, New Mexico, North Carolina, Oklahoma, Pennsylvania, South Carolina, South Dakota, Vermont, Wisconsin, West Virginia, Alabama, Arkansas, Delaware, Iowa, Maine, Massachusetts, Michigan, Missouri, New Jersey, New York, North Dakota, Ohio, Rhode Island, Tennessee, Virginia
Elymus hystrix, known as eastern bottlebrush grass, or bottle-brush-grass, is a bunchgrass in the grass family, Poaceae. It is native to the Eastern United States and Eastern Canada.
Elymus hystrix is a herbaceous plant with alternate, simple leaves, on erect stems. The flowers are white and bloom in spring. Elymus hystrix ranges from approximately two and a half to four and a half feet in height. There are usually two spikelets at each of the five to nine nodes of the plant. Unlike some similar native grasses, the blades of Elymus hystrix do not have glumes surrounding its spikelets.
Elymus hystrix can reproduce using its own pollen and is thus said to be "self-compatible".Elymus hystrix is a perennial meaning it does not completely die at the end of each season, but comes back the next year.
Elymus hystrix has four copies of its genome, exhibiting a type of polyploidy called tetraploidy.
Elymus hystrix was first described by Carl Linnaeus in 1753. It was transferred to the new genus Hystrix as the type species Hystrix patula by Conrad Moench in 1794. Genomic studies from the 1960s onwards showed that it does in fact belong in Elymus.
Elymus hystrix is found along the East Coast of the United States as well as in Eastern Canada. It is usually found in rocky, wet, and partially shaded habitat such as near rivers, creeks, or woods.Elymus hystrix does not grow well in heavily shaded areas and often inhabits the regions on the edge of shaded wooded areas such as forests. Growth of Elymus hystrix appears to be inhibited by excess shade, but is relatively resistant to soil compaction when compared to other herbaceous plant species.
Mus musculus, or mice, feed on Elymus seeds. It is reasonable that through domestication and enhancement of seed size and nutritional value seeds of Elymus hystrix could be useful for consumption by other vertebrates such as humans. Similar species of grasses are eaten by livestock throughout the United States. Other Elymus species have been found to be high in crude protein when compared to other native grasses, but research is needed to investigate whether specifically Elymus hystrix also exhibits this trait. It is also not immediately evident how nutritious the herbaceous grassy portion of the plant would be to humans, but potential for Elymus hystrix as a food source for livestock is also of interest.
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