| Family | GENTIANACEAE |
| Genus species | Gentiana clausa Raf. sect. Pneumonanthe |
| Habitat | grassland |
| Description | stems rounded, smooth, leaves ovate or lanceolate, acuminate, 3-nerved, flowers in whorls, sessile, clavate, short, closed |
| Size | 30-50cm |
| Color | blue |
| Bloom | summer |
| Ca | |
| Type | tuft |
| Cultivation | mesic, slightly humous, sunny site alpine house, moist, rich, drained soil, sun |
| Propagation | seed in winter, barely covered, germ. 1-3 months, 10-13°C division in spring; cuttings in late spring |
| Territory |
Northern America
Eastern Canada (Québec ) Northeastern U.S.A. (Connecticut , Maine , Masachusettes , New Hampshire , New Jersey , New York , Ohio , Pennsylvania , Rhode I. , Vermont , West Virginia ) Southeastern U.S.A. (Maryland , North Carolina , Tennessee , Virginia) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | GENTIANACEAE
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