| Longleaf Summer Bluet | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Asterids |
| Order: | Gentianales |
| Family: | Rubiaceae |
| Genus: | Houstonia |
| Species: | H. longifolia |
| Binomial name | |
| Houstonia longifolia Gaertn. |
|
Houstonia longifolia is a perennial plant in the family Rubiaceae. It can be found throughout most of the Eastern United States and Canada.