Houstonia micrantha, the southern bluet, is a plant species in the coffee family.Terrell, Edward Everett. 1975. New combinations in Houstonia (Rubiaceae). Phytologia 425-426. Houstonia micranthaLewis, Walter Hepworth & Moore, Dwight Munson. 1959. Southwestern Naturalist 3: 208, Hedyotis australisShinners, Lloyd Herbert. 1950. Field & Laboratory 18(3): 100, Hedyotis crassifolia var. micrantha

It is native to the south-central United States where it has been found in Texas, Louisiana, Arkansas, Mississippi, southern Missouri, Alabama, western Tennessee, extreme western Florida (Escambia County) plus a few isolated locations in Georgia.Kew World Checklist of Selected Plant FamiliesBiota of North America Program

References

External links Photo of herbarium specimen at Missouri Botanical Garden, collected in Missouri, Houstonia micrantha Southeastern Flora, Houstonia micrantha Gardening Europe, Houstonia micrantha