Primulaceae
Tufted loosestrife
Lysimachia thyrsiflora
- Family
- Primulaceae
- Genus
- Lysimachia
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Common names
By language (24)
- Belarusian
- Наумбургія гронкакветкавая, Вярба, Вярбішнік паўзучы, Ніцая лаза
- Chinese
- 球尾花, 腋花珍珠菜
- Czech
- Vrbina kytkokvětá, Bazanovec kytkokvětý
- Danish
- Dusk-Fredløs
- Dutch
- Moeraswederik, Gulldusk
- English
- Tufted loosestrife
- Estonian
- Ussilill
- Finnish
- Terttualpi
- French
- Lysimaque thyrsiflore
- German
- Straussblütiger Gilbweiderich, Straußblütiger Gilbweiderich, Strauß-Gilbweiderich
- hsb
- Kwěćelata žołtnica
- Hungarian
- Fürtös lizinka
- Japanese
- ヤナギトラノオ
- Kazakh
- Шашақ гүлді қызат
- Lithuanian
- Puokštinė poraistė, Poraistė
- Malayalam
- ലൈസിമചിയ തൈർസിഫ്ലോറ
- Norwegian Bokmål
- Gulldusk
- Norwegian Nynorsk
- Gulldusk
- Polish
- Tojeść bukietowa
- Russian
- Вербейник кистецветный, Кизляк кистецветный, Наумбургия кистецветковая, Наумбургия кистецветная
- Slovak
- Bazanovec kytkový
- Slovenian
- Čopasta pijavčnica
- Swedish
- Topplösa
- Welsh
- Trewyn swp-flodeuog
Synonyms
- Lysimachia capitata Pursh
- Lysimachia capitellata Raf.
- Lysimachia kamtschatica Gand.
- Lysimachia subcapitata Raf.
- Lysimachia thyrsantha St.-Lag.
- Lysimachia thyrsiflora var. verticillata Rouy
- Lysimachusa thyrsiflora (L.) Pohl
- Naumburgia guttata Moench
- Naumburgia thyrsiflora (L.) Rchb.
- Nummularia thyrsiflora (L.) Kuntze
- Thyrsanthus palustris Schrank
Flowers
- In flower
- June (from 892 flowering iNaturalist observations worldwide)
- Flower colour
- yellow (USDA PLANTS Database)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Alaska: native, Canada: native, Lower 48 states: native
Photos
FlowerPhoto: Thierry Arbault, CC BY 4.0, from iNaturalist 
FlowerPhoto: Tom Norton, CC BY 4.0, from iNaturalist 
FlowerPhoto: Henry "Nick" Robertson, CC BY-SA 4.0, from iNaturalist 
FlowerPhoto: Tom Scavo, CC BY 4.0, from iNaturalist 
Photo: Krzysztof Ziarnek, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Kalvin Chan, CC BY 4.0, from iNaturalist 
Photo: Nathan Aaron, CC BY 4.0, from iNaturalist 
Photo: Algirdas at Lithuanian Wikipedia, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Meneerke bloem, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Panek, CC BY 3.0, from Wikimedia Commons 
Photo: Sigitas Juzėnas, CC BY 4.0, from iNaturalist 
Photo: Qwert1234, CC BY-SA 3.0, from Wikimedia Commons
More in Lysimachia
- Scarlet pimpernelLysimachia arvensisPrimulaceae
- Garden yellow loosestrifeLysimachia vulgarisPrimulaceae
- Creeping jennyLysimachia nummulariaPrimulaceae
- Sea-milkwortLysimachia maritimaPrimulaceae
- Chickweed-wintergreenLysimachia europaeaPrimulaceae
- Poorman's weatherglassLysimachia foeminaPrimulaceae
- ChaffweedLysimachia minimaPrimulaceae
- Dotted loosestrifeLysimachia punctataPrimulaceae
- Yellow pimpernelLysimachia nemorumPrimulaceae
- Bog pimpernelLysimachia tenellaPrimulaceae
- Gooseneck yellow loosestrifeLysimachia clethroidesPrimulaceae
- LoosestrifeLysimachia minoricensisPrimulaceae
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.