SimplePlant

Rubiaceae

Longleaf summer bluet

Houstonia longifolia Gaertn.

Family
Rubiaceae
Genus
Houstonia

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Longleaf summer bluet: Hedyotis_longifolia_1
Photo: Superior National Forest, CC BY 2.0, from Wikimedia Commons

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Common names

By language (1)
English
Longleaf summer bluet

Synonyms

  • Chamisme longifolia (Gaertn.) Nieuwl.
  • Hedyotis longifolia (Gaertn.) Hook.
  • Hedyotis purpurea var. longifolia (Gaertn.) Fosberg
  • Houstonia purpurea var. longifolia (Gaertn.) A.Gray
  • Oldenlandia purpurea var. longifolia (Gaertn.) A.Gray

Characteristics

Growth habit
Forb/herb
Lifespan
Perennial
In the US and Canada
Canada: native, Lower 48 states: native

Photos

More in Houstonia

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.