Sarracenia purpureaL.

purple pitcher plant

WFO wfo-0000493544 Accepted WFO 2026-06 8 photographs CC0 / CC BY In the accuracy benchmark

Plate 1 figs. a–h

Sarracenia purpurea, photographed by Lynn Harper
fig. a Lynn Harper, CC0 1.0 / 2022-06-06 / obs. 203984428

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.

Confused withby our own model

These are not lookalikes we guessed at. Each one is a species our identification model genuinely mistook for this plant, and how many times. The error rate is published.

Flowering n = 2,130 observations

Flowering observations of Sarracenia purpurea by month
MonthObservations
Jan0
Feb1
Mar0
Apr18
May192
Jun954
Jul538
Aug301
Sep112
Oct12
Nov1
Dec1

Peak flowering in Jun, from 2,130 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 26 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.

  • Sarazina gibbosa Raf.
  • Sarazina venosa Raf.
  • Sarracenia atropurpurea Berk.
  • Sarracenia gibbosa Raf.
  • Sarracenia heterophylla Eaton
  • Sarracenia parviflora Raf.
  • Sarracenia purpurea f. heterophylla (Eaton) Fernald
  • Sarracenia purpurea f. incisa J.Rousseau & Rouleau
  • Sarracenia purpurea f. klawei B.Boivin
  • Sarracenia purpurea f. pallidiflora S.McPherson & D.E.Schnell
  • Sarracenia purpurea f. plena Erskine
  • Sarracenia purpurea subsp. gibbosa (Raf.) Wherry
  • Sarracenia purpurea unranked rubra Van Houtte
  • Sarracenia purpurea var. chorltonii Burb.
  • Sarracenia purpurea var. heterophylla (Eaton) Torr.
  • Sarracenia purpurea var. montana D.E.Schnell & Determann
  • Sarracenia purpurea var. purpurea
  • Sarracenia purpurea var. ripicola B.Boivin
  • Sarracenia purpurea var. sanguinea Rob.
  • Sarracenia purpurea var. stolonifera Macfarl. & Steckbeck
  • Sarracenia purpurea var. terrae-novae Bach.Pyl.
  • Sarracenia purpurea var. typica Macfarl.
  • Sarracenia purpurea var. venosa (Raf.) Wherry
  • Sarracenia purpurea var. viridis B.S.Williams

and 2 more.

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.