Houstonia procumbens

Houstonia procumbens

Secure (NatureServe)[1]
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Rubiaceae
Genus: Houstonia
Species:
H. procumbens
Binomial name
Houstonia procumbens
(Walter ex J.F.Gmel.) Standl.[2]

Houstonia procumbens, the roundleaf bluet, is a perennial species in the family Rubiaceae. It is native to the southeastern United States: Louisiana, Mississippi, Alabama, Georgia, Florida and South Carolina.[2] Its native habitats include disturbed sites, and moist, open, sandy areas. Flowers bloom March to October.[3]

This species can occur as an erect or creeping perennial or annual. Its leaves are oppositely arranged and are ovate to suborbicular in shape. They may reach a length between 7 and 10 millimeters in length and 4 to 10 millimeters wide. The flowers are white in color and have four petals.[4]

References

  1. ^ a b "Houstonia procumbens". NatureServe Explorer. Retrieved 23 November 2025.
  2. ^ a b NRCS. "Houstonia procumbens". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 8 Sep 2013.
  3. ^ "Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org. Retrieved 2022-05-26.
  4. ^ Radford, Albert E., Harry E. Ahles, and C. Ritchie Bell. Manual of the Vascular Flora of the Carolinas. 1964, 1968. The University of North Carolina Press. 981-3. Print.