Primulaceae
Japanese yellow loosestrife
Lysimachia japonica
- Family
- Primulaceae
- Genus
- Lysimachia
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Common names
By language (6)
- Chinese
- 小茄, 大散血, 蛮刀背
- English
- Japanese yellow loosestrife
- German
- Japanischer Gilbweiderich
- hsb
- Japanska žołtnica
- Japanese
- コナスビ
- Korean
- 좀가지풀
Synonyms
- Lysimachia japonica var. thunbergiana F.Maek.
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: introduced
Photos

Photo: Meneerke bloem, CC BY-SA 3.0, from Wikimedia Commons Photo: Qwert1234 at ja.wikipedia, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Ghislain118, CC BY-SA 3.0, from Wikimedia Commons Photo: Dalgial, CC BY-SA 3.0, from Wikimedia Commons Photo: Dalgial, CC BY-SA 3.0, from Wikimedia Commons Photo: Dalgial, CC BY-SA 3.0, from Wikimedia Commons Photo: Alpsdake, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Photo by David J. Stang, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Photo by David J. Stang, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Photo by David J. Stang, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Photo by David J. Stang, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons
More in Lysimachia
- Scarlet pimpernelLysimachia arvensisPrimulaceae
- Garden yellow loosestrifeLysimachia vulgarisPrimulaceae
- Creeping jennyLysimachia nummulariaPrimulaceae
- Sea-milkwortLysimachia maritimaPrimulaceae
- Chickweed-wintergreenLysimachia europaeaPrimulaceae
- Tufted loosestrifeLysimachia thyrsifloraPrimulaceae
- Poorman's weatherglassLysimachia foeminaPrimulaceae
- ChaffweedLysimachia minimaPrimulaceae
- Dotted loosestrifeLysimachia punctataPrimulaceae
- Yellow pimpernelLysimachia nemorumPrimulaceae
- Bog pimpernelLysimachia tenellaPrimulaceae
- Gooseneck yellow loosestrifeLysimachia clethroidesPrimulaceae
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.