Houstonia caerulea

Common names: Blue-flowered Houstonia

Genus: Houstonia

Species: Houstonia caerulea

Class: Tetrandria

Order: Monogynia

Authority: Linnaeus

Modern Genus: Houstonia

Modern Species: Houstonia caerulea

Modern Family: Rubiaceae

Plant Type: perennial

Color: "has scarcely colour enough in its flowers to justify the term caerulea." (blue)

Season: spring summer

Native Region: Virginia

Artist: S. Edwards