Rubiaceae

Diamond-flowers

Stenaria nigricans (Lam.) Terrell

Family: Rubiaceae
Genus: Stenaria

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Diamond-flowers: Houstonia nigricans (Lam.) Fern (Syn. Hedyotis nigricans (Lam.)Fosb.) — Photo: J.M.Garg, CC BY-SA 4.0, from Wikimedia Commons

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Common names

By language (1)

English: Diamond-flowers

Synonyms

Gentiana nigricans Lam.
Hedyotis nigricans (Lam.) Fosberg
Hedyotis nigricans f. salina (A.Heller) W.H.Lewis
Houstonia nigricans (Lam.) Fernald
Houstonia nigricans var. nigricans

Characteristics

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

Photos

Photo: J.M.Garg, CC BY-SA 4.0, from Wikimedia Commons
Photo: J.M.Garg, CC BY-SA 4.0, from Wikimedia Commons
Photo: J.M.Garg, CC BY-SA 4.0, from Wikimedia Commons
Photo: J.M.Garg, CC BY-SA 4.0, from Wikimedia Commons
Photo: J.M.Garg, CC BY-SA 4.0, from Wikimedia Commons
Photo: J.M.Garg, CC BY 3.0, from Wikimedia Commons
Photo: J.M.Garg, CC BY 3.0, from Wikimedia Commons
Photo: J.M.Garg, CC BY 3.0, from Wikimedia Commons
Photo: sonnia hill, CC BY 2.0, from Wikimedia Commons

More in Stenaria

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.