Houstonia serpyllifolia

ClassificationDicots
FamilyRubiaceae
Family (Traditional)Rubiaceae
GenusHoustonia
Species:Houstonia serpyllifolia Michx.
Common NameThymeleaf Bluet
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: Yes; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Mesic; Moisture Requirements: Mesic-Hydric; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: May; Reproductive Phenology: June; Reproductive Phenology: July; Leaf Arrangement: opposite; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaflet Margins: entire; Leaflet Number: 0; Anther Type: Dorsifixed; Base Flower Color: Blue; Fruit Dehiscence: Yes; Fruit Type: Capsule; Fruit Wet/Dry: Dry; Hypanthium Present: No; Ovary Position: Inferior; Overall Flower Symmetry: Actinomorphic; Perianth Present: Yes; Petal Number: 4; Placentation Type: Axillary; Sexuality: monoclinous; Sporangium Arrangement: N/A
C value 10
StatusNative; AGCP (FACW), EMP (FAC) (NWPL); TN[SNR] KY[S1] (State Rank); G4? (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

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
Ecoregions
  • 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

Synonyms

SynonymFull Citation
Hedyotis serpyllifolia Hedyotis serpyllifolia

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: Letcher (KY), Whitley (KY), Bradley (TN), Carter (TN), Coffee (TN), Cumberland (TN), Hamilton (TN), Johnson (TN), Monroe (TN), Polk (TN), Sevier (TN), Sullivan (TN), Unicoi (TN), Van Buren (TN)

Herbaria represented by specimen data listed below: ETSU, MTSU, APSC, EKY, HTTU, TENN, UCHT

Range of years during which specimens were collected: 1983 - 2012

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
TENN-V-0202895 Johnson Tennessee
TENN
Houstonia serpyllifolia
TENN-V-0202893 Carter Tennessee
TENN
Houstonia serpyllifolia
TENN-V-0202898 Monroe Tennessee
TENN
Houstonia serpyllifolia
TENN-V-0202904 Unicoi Tennessee
TENN
Houstonia serpyllifolia
TENN-V-0202901 Monroe Tennessee
TENN
Houstonia serpyllifolia
TENN-V-0202903 Sullivan Tennessee
TENN
Houstonia serpyllifolia
TENN-V-0202894 Johnson Tennessee
TENN
Houstonia serpyllifolia
TENN-V-0202905 Van Buren Tennessee
TENN
Houstonia serpyllifolia
TENN-V-0202900 Monroe Tennessee
TENN
Houstonia serpyllifolia
TENN-V-0202902 Monroe Tennessee
TENN
Houstonia serpyllifolia
TENN-V-0202892 Carter Tennessee
TENN
Houstonia serpyllifolia
HTTU015713 Johnson Tennessee
HTTU
Houstonia serpyllifolia
HTTU015714 Tennessee
HTTU
Houstonia serpyllifolia
HTTU024437 Cumberland Tennessee
HTTU
Houstonia serpyllifolia
MTSU017923 Coffee Tennessee 26 Mar 2005 Kathleen Kimbro
MTSU
Houstonia serpyllifolia
UCHT040590 Bradley Tennessee
UCHT
Houstonia serpyllifolia
UCHT040594 Tennessee
UCHT
Houstonia serpyllifolia
ETSU035405 Carter Tennessee
ETSU
Houstonia serpyllifolia
ETSU035408 Carter Tennessee
ETSU
Houstonia serpyllifolia
ETSU008782 Carter Tennessee
ETSU
Houstonia serpyllifolia
ETSU035411 Carter Tennessee
ETSU
Houstonia serpyllifolia
TENN-V-0245498 Sevier Tennessee
TENN
Houstonia serpyllifolia
31234100746799 Whitley Kentucky Martina Hines
EKY
Houstonia serpyllifolia
N/A Carter Tennessee 22 Apr 2012 Frosty Levy
ETSU
Houstonia serpyllifolia
TENN-V-0204634 Johnson Tennessee
TENN
Houstonia serpyllifolia
TENN-V-0202896 Johnson Tennessee
TENN
Houstonia serpyllifolia
TENN-V-0202899 Monroe Tennessee
TENN
Houstonia serpyllifolia
TENN-V-0202897 Johnson Tennessee
TENN
Houstonia serpyllifolia
APSC0083222 Letcher Kentucky
APSC
Houstonia serpyllifolia
HTTU015715 Tennessee
HTTU
Houstonia serpyllifolia
MTSU017962 Polk Tennessee 17 Apr 1983 Leslie Wilson
65
MTSU
Houstonia serpyllifolia
UCHT040592 Tennessee
UCHT
Houstonia serpyllifolia
UCHT040593 Hamilton Tennessee
UCHT
Houstonia serpyllifolia
UCHT040591 Tennessee
UCHT
Houstonia serpyllifolia
UCHT040595 Monroe Tennessee
UCHT
Houstonia serpyllifolia
ETSU035406 Carter Tennessee
ETSU
Houstonia serpyllifolia
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Plant Photos

Houstonia serpyllifolia - Ashley B. Morris
Houstonia serpyllifolia - Ashley B. Morris
Houstonia serpyllifolia - Dwayne Estes
Houstonia serpyllifolia - Dwayne Estes
Houstonia serpyllifolia - Dwayne Estes
Houstonia serpyllifolia - Dwayne Estes
Houstonia serpyllifolia - Dwayne Estes
Houstonia serpyllifolia - Dwayne Estes
Houstonia serpyllifolia - Joey Shaw
Houstonia serpyllifolia - Joey Shaw
Houstonia serpyllifolia - Joey Shaw
Houstonia serpyllifolia - Joey Shaw
Houstonia serpyllifolia - Joey Shaw
Houstonia serpyllifolia - Joey Shaw
Houstonia serpyllifolia - Milo Pyne
Houstonia serpyllifolia - Milo Pyne