Gentianaceae

Yellow-wort

Blackstonia perfoliata (L.) Huds.

Family: Gentianaceae
Genus: Blackstonia

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Yellow-wort (Blackstonia perfoliata) — FlowerPhoto: Simon Colenutt, CC BY 4.0, from iNaturalist

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Common names

By language (17)

arz: بلاكستينيا بيرفولياتا
Bulgarian: Пробитолистна блейкстония
Catalan: Clora
Dutch: Zomerbitterling, Zomer- en Herfstbitterling, Zomerbitterling en herfstbitterling
English: Yellow-wort
Esperanto: Tratruita blakstonio
Finnish: Euroopankeltasappi
French: Blackstonie perfoliée, Chlore perfoliée, Blackstonie perfoliee
German: Durchwachsenblättriger Bitterling, Durchwachsener Bitterling
Greek: Μπλακστόνια η διάπειρη
hsb: Nazymski hórčink
Hungarian: Átnőttlevelű gyíkpohár
Irish: Dréimire buí
Malayalam: ബ്ലാക്ക്സ്റ്റോണിയ പെർഫോളിയാറ്റ, യെല്ലോ-വോർട്ട്
Spanish: Canchalagua espanola, Canchalagua española, Centaura amarilla, Centaura de flor amarilla, Centaura groga, Centaura menor de flor amarilla, Centaurea amarilla, Centaurea de Mesue
Ukrainian: Блекстонія пронизанолиста
Welsh: Y ganrhi felen

Synonyms

Centaurium perfoliatum E.H.L.Krause
Chironia perfoliata (L.) Salisb.
Chlora perfoliata (L.) L.
Gentiana perfoliata L.
Pleurimaria perfoliata (L.) Raf.
Seguiera perfoliata (L.) Kuntze

Flowers

In flower: May to July (from 819 flowering iNaturalist observations worldwide)

Photos

FlowerPhoto: Simon Colenutt, CC BY 4.0, from iNaturalist
FlowerPhoto: Duncan Brooks, CC BY 4.0, from iNaturalist
FlowerPhoto: Saryu Mae 前朝琉, CC BY 4.0, from iNaturalist
FlowerPhoto: aroche, CC BY 4.0, from iNaturalist
Photo: The original uploader was Jeffdelonge at French Wikipedia ., CC BY-SA 3.0, from Wikimedia Commons
Photo: H. Zell, CC BY-SA 3.0, from Wikimedia Commons
Photo: Piermario Maculan, CC0, from iNaturalist
Photo: H. Zell, CC BY-SA 3.0, from Wikimedia Commons
Photo: Mathew Robinson, CC0, from iNaturalist
Photo: Tigerente, CC BY-SA 3.0, from Wikimedia Commons
Photo: Andre Hosper, CC BY 4.0, from iNaturalist
Photo: Olivier Pichard, CC BY-SA 3.0, from Wikimedia Commons

More in Blackstonia

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). About our plant data.