Rubiaceae
Red bluet
Houstonia rubra
- Family
- Rubiaceae
- Genus
- Houstonia
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Common names
By language (1)
- English
- Red bluet
Synonyms
- Hedyotis rubra (Cav.) A.Gray
- Houstonia saxicola Eastw.
- Oldenlandia rubra (Cav.) A.Gray
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos
Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons 
Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons 
Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons
More in Houstonia
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- Azure bluetHoustonia caeruleaRubiaceae
- Longleaf summer bluetHoustonia longifoliaRubiaceae
- Canadian summer bluetHoustonia canadensisRubiaceae
- Matted bluetHoustonia humifusaRubiaceae
- Roundleaf bluetHoustonia procumbensRubiaceae
- Tiny bluetHoustonia pusillaRubiaceae
- 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.