Rubiaceae
Thymeleaf bluet
Houstonia serpyllifolia
- Family
- Rubiaceae
- Genus
- Houstonia
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Common names
By language (1)
- English
- Thymeleaf bluet
Synonyms
- Anotis serpyllifolia (Michx.) G.Don
- Anotis tenella (Pursh) G.Don
- Hedyotis michauxii Fosberg
- Hedyotis michauxii f. alba (Alexander) Fosberg
- Hedyotis serpyllifolia (Michx.) Torr. & A.Gray
- Houstonia serpyllifolia f. alba Alexander
- Houstonia tenella Pursh
- Oldenlandia serpyllifolia (Michx.) A.Gray
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos

Photo: Jason Hollinger, CC BY 2.0, from Wikimedia Commons
More in Houstonia
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- Canadian summer bluetHoustonia canadensisRubiaceae
- Matted bluetHoustonia humifusaRubiaceae
- Roundleaf bluetHoustonia procumbensRubiaceae
- Tiny bluetHoustonia pusillaRubiaceae
- Red bluetHoustonia rubraRubiaceae
- Pygmy bluetHoustonia wrightiiRubiaceae
- Needleleaf bluetHoustonia acerosaRubiaceae
- Southern bluetHoustonia micranthaRubiaceae
- Correll's bluetHoustonia correlliiRubiaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.