Rubiaceae
Tiny bluet
Houstonia pusilla
- Family
- Rubiaceae
- Genus
- Houstonia
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Common names
By language (1)
- English
- Tiny bluet
Synonyms
- Ereicoctis crassifolia Kuntze
- Hedyotis caerulea var. minima (Beck) Fosberg
- Hedyotis caerulea var. minor (Michx.) Torr. & A.Gray
- Hedyotis caerulea var. patens Ellis
- Hedyotis crassifolia Raf.
- Hedyotis crassifolia f. albiflora (Standl.) W.H.Lewis
- Hedyotis geniculata Raf.
- Hedyotis minima (Beck) Torr. & A.Gray
- Houstonia caerulea var. minor (Michx.) Pursh
- Houstonia geniculata Raf.
- Houstonia linnaei var. minor Michx.
- Houstonia minima Beck
- Houstonia minor Britton
- Houstonia patens Elliott
- Houstonia pusilla f. albiflora Standl.
- Houstonia pusilla f. rosea Steyerm.
- Oldenlandia caerulea var. patens (Elliott) M.Gómez
- Oldenlandia patens (Elliott) Chapm.
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual
- In the US and Canada
- Lower 48 states: native
Photos
Photo: Karen Burch, CC BY-SA 3.0, from Wikimedia Commons 
Photo: DouglasGoldman, CC BY-SA 4.0, from Wikimedia Commons 
Photo: DouglasGoldman, CC BY-SA 4.0, from Wikimedia Commons 
Photo: DouglasGoldman, CC BY-SA 4.0, from Wikimedia Commons 
Photo: DouglasGoldman, CC BY-SA 4.0, from Wikimedia Commons 
Photo: DouglasGoldman, CC BY-SA 4.0, from Wikimedia Commons 
Photo: DouglasGoldman, CC BY-SA 4.0, from Wikimedia Commons 
Photo: DouglasGoldman, CC BY-SA 4.0, from Wikimedia Commons 
Photo: DouglasGoldman, CC BY-SA 4.0, from Wikimedia Commons 
Photo: DouglasGoldman, CC BY-SA 4.0, from Wikimedia Commons 
Photo: DouglasGoldman, CC BY-SA 4.0, from Wikimedia Commons 
Photo: DouglasGoldman, CC BY-SA 4.0, from Wikimedia Commons
More in Houstonia
- Venus' prideHoustonia purpureaRubiaceae
- Azure bluetHoustonia caeruleaRubiaceae
- Longleaf summer bluetHoustonia longifoliaRubiaceae
- Canadian summer bluetHoustonia canadensisRubiaceae
- Matted bluetHoustonia humifusaRubiaceae
- Roundleaf bluetHoustonia procumbensRubiaceae
- Red bluetHoustonia rubraRubiaceae
- Thymeleaf bluetHoustonia serpyllifoliaRubiaceae
- 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.