Sterigmostemum caspicum(Lam.) Rupr.

WFO wfo-0001262437 Accepted WFO 2026-06 8 photographs CC BY

Plate 1 figs. a–h · 8 separate observations

Sterigmostemum caspicum, photographed by Konstantin Grebennikov
fig. a Konstantin Grebennikov, CC BY 4.0 / 2021-05-06 / obs. 132193033

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.

Also published as 6 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.

  • Cheiranthus caspicus Lam.
  • Cheiranthus nitrarius Pall.
  • Cheiranthus tomentosus Willd.
  • Erysimum nitrarium Wettst.
  • Sterigma tomentosum DC.
  • Sterigmostemum tomentosum (Willd.) M.Bieb.

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 and no toxicity claim, because we do not yet have those from a source we can cite. It has no native range either: Kew's checklist does not cover this taxon.