Houstonia nigricans

Family (Traditional)Rubiaceae
Species:Houstonia nigricans
Common Name
Growth Habit**
Plant Notes**
C value

** Not applicable or data not available.

Currently no photos are available for this plant.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • State Boundaries
  • Counties
  • Counties - Species Present
  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim


SynonymFull Citation
Chamisme angustifolia Chamisme angustifolia Nieuwland
Gentiana nigricans Gentiana nigricans Lam.
Hedyotis nigricans Hedyotis nigricans (Lam.) Fosberg
Hedyotis nigricans var. austrotexana Hedyotis nigricans var. austrotexana B.L.Turner
Hedyotis nigricans var. filifolia Hedyotis nigricans var. filifolia (Chapm.) Shinners
Hedyotis nigricans var. floridana Hedyotis nigricans var. floridana (Standl.) Wunderlin
Hedyotis nigricans var. nigricans Hedyotis nigricans var. nigricans
Hedyotis nigricans var. papillacea Hedyotis nigricans var. papillacea B.L.Turner
Hedyotis nigricans var. pulvinata Hedyotis nigricans var. pulvinata (Small) Fosberg
Hedyotis nigricans var. rigidiuscula Hedyotis nigricans var. rigidiuscula (A.Gray) Shinners
Hedyotis nigricans var. scabra Hedyotis nigricans var. scabra (S.Watson) Fosberg
Hedyotis salina Hedyotis salina (A.Heller) Shinners
Houstonia angustifolia Houstonia angustifolia Michx.
Houstonia angustifolia var. filifolia Houstonia angustifolia var. filifolia (Chapm.) A.Gray
Houstonia angustifolia var. rigidiuscula Houstonia angustifolia var. rigidiuscula A.Gray
Houstonia filifolia Houstonia filifolia Small
Houstonia nigricans Houstonia nigricans (Lam.) Fernald
Houstonia nigricans var. pulvinata Houstonia nigricans var. pulvinata (Small) E.E.Terrell
Houstonia pulvinata Houstonia pulvinata Small
Houstonia rigidiuscula Houstonia rigidiuscula (A.Gray) Wooton & Standl.
Houstonia salina Houstonia salina A.Heller
Houstonia tenuis Houstonia tenuis Small
Oldenlandia angustifolia Oldenlandia angustifolia (Michx.) A.Gray
Oldenlandia angustifolia var. filifolia Oldenlandia angustifolia var. filifolia Chapm.
Stenaria nigricans var. nigricans Stenaria nigricans var. nigricans

Specimens and Distribution

No specimens exist for this species.

Plant Photos