Gentiana linearis is a 1–2 ft (30.5–61 cm) tall flowering plant in the Gentianaceae

Gentianaceae

Gentianaceae are a family of flowering plants of 87 genera and over 1500 species. Flowers are actinomorphic and bisexual with fused sepals and petals. The stamens are attached to the inside of the petals and alternate with the corolla lobes. There is a glandular disk at the base of the gynoecium,...

 family

Family (biology)

In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

. It is native to northeastern North America from Manitoba to Maine, and to the Appalachian Mountains

Appalachian Mountains

The Appalachian Mountains #Whether the stressed vowel is or ,#Whether the "ch" is pronounced as a fricative or an affricate , and#Whether the final vowel is the monophthong or the diphthong .), often called the Appalachians, are a system of mountains in eastern North America. The Appalachians...

 of West Virginia, Virginia, and Tennessee. Similar to the "Bottle Gentians" like Gentiana clausa

Gentiana clausa

Gentiana clausa is a 1'-2' tall flowering plant in the Gentianaceae family. It is native to Eastern North American moist meadows and woods at higher elevations, from Quebec in the north, through the Appalachian range to North Carolina and Tennessee in the south...

and Gentiana andrewsii

Gentiana andrewsii

Gentiana andrewsii is a herbaceous species of flowering plant in the Gentian family Gentianaceae....

, it has paired, lanceolate leaves, usually on unbranched stalks, and blue or purple blooms which remain closed or nearly closed; the leaves are narrower however, as the specific name indicates.