Menyanthes trifoliataL.

Bogbean

WFO wfo-0000450682 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h

Menyanthes trifoliata, photographed by Нурхайдарова Татьяна
fig. a Нурхайдарова Татьяна, CC BY 4.0 / 2022-06-11 / obs. 205182667
Menyanthes trifoliata, photographed by Jason Grant
fig. b Jason Grant, CC BY 4.0 / obs. 205229231
Menyanthes trifoliata, photographed by Randal
fig. c Randal, CC0 1.0 / obs. 205151711
Menyanthes trifoliata, photographed by Bernie Paquette
fig. d Bernie Paquette, CC BY 4.0 / obs. 204334624
Menyanthes trifoliata, photographed by Валерий Гончарук
fig. e Валерий Гончарук, CC BY 4.0 / obs. 203938867
Menyanthes trifoliata, photographed by Ксения Волянская
fig. f Ксения Волянская, CC BY 4.0 / obs. 204069150
Menyanthes trifoliata, photographed by Jens-Christian Svenning
fig. g Jens-Christian Svenning, CC BY 4.0 / obs. 202752020
Menyanthes trifoliata, photographed by Anne Thomson
fig. h Anne Thomson, CC BY 4.0 / obs. 203462159

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 = 4,017 observations

Peak flowering in Jun, from 4,017 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.

  • Menyanthes americana Sweet
  • Menyanthes latifolia Raf.
  • Menyanthes palustris Gray
  • Menyanthes paradoxa Fr.
  • Menyanthes tridentata Raf.
  • Menyanthes trifoliata f. brevistyla Aver.
  • Menyanthes trifoliata f. macrophylla Bolzon
  • Menyanthes trifoliata f. microphylla Bolzon
  • Menyanthes trifoliata subsp. verna (Raf.) Gervais & M.Parent
  • Menyanthes trifoliata var. minor Fernald
  • Menyanthes trifoliata var. paradoxa Fr.
  • Menyanthes trifoliata var. trifoliata
  • Menyanthes trifolium Neck.
  • Menyanthes verna Raf.

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.