Houstonia correllii

Houstonia correllii, the Zapata County bluet, or Correll's bluet, is a species of plants in the Rubiaceae.^[2][3] It is known only from Zapata County in southern Texas. It is a prostrate, mat-forming plant with white flowers.^[4]

Houstonia correllii
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Gentianales
Family:	Rubiaceae
Genus:	Houstonia
Species:	H. correllii
Binomial name
Houstonia correllii (W.H.Lewis) Terrell
Range of Houstonia correllii
Synonyms[1]
Hedyotis correllii W.H. Lewis