Eriodictyon californicum(Hook. & Arn.) Torr.

California yerba santa

WFO wfo-0001066643 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h

Eriodictyon californicum, photographed by Henrik Kibak
fig. a Henrik Kibak, CC BY 4.0 / 2022-06-06 / obs. 204812860
Eriodictyon californicum, photographed by rappman
fig. b rappman, CC BY 4.0 / obs. 203368153
Eriodictyon californicum, photographed by Jeremiah Degenhardt
fig. c Jeremiah Degenhardt, CC BY 4.0 / obs. 199701549
Eriodictyon californicum, photographed by joergmlpts
fig. d joergmlpts, CC BY 4.0 / obs. 194852244
Eriodictyon californicum, photographed by Don Loarie
fig. e Don Loarie, CC BY 4.0 / obs. 196924534
Eriodictyon californicum, photographed by Cricket Raspet
fig. f Cricket Raspet, CC BY 4.0 / obs. 195192501
Eriodictyon californicum, photographed by Daniel Levitis
fig. g Daniel Levitis, CC BY 4.0 / obs. 194889391
Eriodictyon californicum, photographed by Daniel Levitis
fig. h Daniel Levitis, CC BY 4.0 / obs. 194888949

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 = 1,677 observations

Peak flowering in May, from 1,677 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 11 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.

  • Eriodictyon californicum (Hook. & Arn.) Greene
  • Eriodictyon californicum (Hook. & Arn.) Decne.
  • Eriodictyon californicum f. latifolia Brand
  • Eriodictyon californicum f. linearis Brand
  • Eriodictyon californicum subsp. australe Brand
  • Eriodictyon californicum subsp. glutinosum (Benth.) Brand
  • Eriodictyon californicum subvar. coarctatum Brand
  • Eriodictyon californicum var. pubens Brand
  • Eriodictyon glutinosum Benth.
  • Eriodictyon glutinosum var. serratum Choisy
  • Wigandia californica Hook. & Arn.

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.