Lysimachia ciliataL.

fringed loosestrife

WFO wfo-0000442838 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h

Lysimachia ciliata, photographed by Henry "Nick" Robertson
fig. a Henry "Nick" Robertson, CC BY-SA 4.0 / 2022-05-13 / obs. 197390777
Lysimachia ciliata, photographed by Ryan Sorrells
fig. b Ryan Sorrells, CC BY 4.0 / obs. 200862998
Lysimachia ciliata, photographed by Ben Smith
fig. c Ben Smith, CC BY 4.0 / obs. 203075695
Lysimachia ciliata, photographed by Henry "Nick" Robertson
fig. d Henry "Nick" Robertson, CC BY-SA 4.0 / obs. 167771574
Lysimachia ciliata, photographed by Tom Scavo
fig. e Tom Scavo, CC BY 4.0 / obs. 188167208
Lysimachia ciliata, photographed by Henry "Nick" Robertson
fig. f Henry "Nick" Robertson, CC BY-SA 4.0 / obs. 196775420
Lysimachia ciliata, photographed by Alan Weakley
fig. g Alan Weakley, CC0 1.0 / obs. 193262512
Lysimachia ciliata, photographed by Lynn Harper
fig. h Lynn Harper, CC0 1.0 / obs. 192040658

Every figure is a research-grade observation under CC0, CC BY or CC BY-SA, rehosted with the photographer’s name, the licence and the observation it came from. Photographs under a NonCommercial licence are excluded from this site and are never stored, which costs us a great many pictures and is not negotiable.

Flowering n = 4,678 observations

Peak flowering in Jul, from 4,678 community-annotated observations worldwide. This is a global aggregate, not a forecast for your garden: the same species flowers on different dates in different hemispheres, and citizen-science records cluster near cities, at weekends, and in spring. Where a species has fewer than 30 annotated records we do not draw this chart at all.

Also published as 14 synonyms

A synonym is not an error. It is a record of botanists disagreeing, in print, about where this plant belongs. Each of these was somebody’s considered answer.

  • Lysimachia grandiflora Nutt. ex Pax & R.Knuth
  • Lysimachia greeneana Hand.-Mazz.
  • Lysimachia longipedicellata Hand.-Mazz.
  • Lysimachia membranacea (Greene) Hand.-Mazz.
  • Nummularia ciliata (L.) Kuntze
  • Steironema ciliatum (L.) Baudo
  • Steironema ciliatum Raf.
  • Steironema ciliatum f. elongatum D.Löve & J.-P.Bernard
  • Steironema ciliatum var. heterophyllum Chapm.
  • Steironema ciliatum var. occidentale Suksd.
  • Steironema longipedicellatum (Lunell) Lunell
  • Steironema membranaceum Greene
  • Steironema pumilum Greene
  • Steironema pumilum var. longipedicellatum Lunell

Sourcesevery claim on this page

  1. World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
  2. iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.

We publish what we can source and we say so when we cannot. This page has no care advice, no toxicity claim and no native range, because we do not yet have those from a source we can cite.