Vascular Plant Herbarium

Vascular Plant Database Genus Results

Category: Dicots
Family Name: Rubiaceae

Houstonia - [maps | photos]

• Houstonia caerulea L.
  NWI TN: Facultative
  Common Name: azure bluet
  Synonyms:
  

         • Hedyotis caerulea (L.) Hook.

• Houstonia canadensis Willd. ex Roemer & J.A. Schultes
  Common Name: Canadian summer bluet
  Synonyms:
  

         • Hedyotis canadensis (Willd. ex Roemer & J.A. Schultes) Fosberg

• Houstonia longifolia Gaertn.
  Common Name: longleaf summer bluet
  Synonyms:
  

         • Hedyotis longifolia (Gaertn.) Hook.

         • Hedyotis nuttalliana Fosberg

         • Houstonia tenuifolia Nutt.

• Houstonia micrantha (Shinners) Terrell
  Common Name: southern bluet
  Synonyms:
  

         • Hedyotis australis W.H. Lewis & D.M. Moore

• Houstonia purpurea L. var. calycosa A. Gray
  Common Name: Venus' pride
  Synonyms:
  

         • Hedyotis purpurea (L.) Torr. & Gray var. calycosa (Gray) Fosberg

• Houstonia purpurea L. var. montana (Small) Terrell (TN Endangered)  (Fed Listed Endangered)
  Common Name: Roan Mountain bluet
  Synonyms:
  

         • Hedyotis purpurea (L.) Torr. & Gray var. montana (Small) Fosberg

         • Houstonia montana Small

• Houstonia purpurea L. var. purpurea
  Common Name: Venus' pride
  Synonyms:
  

         • Hedyotis purpurea (L.) Torr. & Gray

• Houstonia pusilla Schoepf
  NWI TN: Facultative -
  Common Name: tiny bluet
  Synonyms:
  

         • Houstonia minima Beck

         • Hedyotis crassifolia Raf.

• Houstonia serpyllifolia Michx.
  NWI TN: Facultative Wetland
  Common Name: thymeleaf bluet
  Synonyms:
  

         • Hedyotis michauxii Fosberg

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*Non-native taxon known to be naturalized in Tennessee

All names & statuses follow the Guide to the Vascular Plants of Tennessee (2015).
Click here for a description of rare, threatened, or endangered (RTE) status & National Wetland Indicator (NWI) status.

If you have any questions or comments, please contact Dr. Jessica M. Budke or Margaret Oliver.