Senna arnottiana(Gillies) H.S.Irwin & Barneby

WFO wfo-0000175158 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h · 8 separate observations

Senna arnottiana, photographed by Hugo Hulsberg
fig. a Hugo Hulsberg, CC0 1.0 / 2022-02-23 / obs. 184229004
Senna arnottiana, photographed by Hugo Hulsberg
fig. b Hugo Hulsberg, CC0 1.0 / obs. 183385207
Senna arnottiana, photographed by Nicolás Lavandero
fig. c Nicolás Lavandero, CC BY 4.0 / obs. 128258372
Senna arnottiana, photographed by Agustín Zarco
fig. d Agustín Zarco, CC BY 4.0 / obs. 59628179
Senna arnottiana, photographed by aacocucci
fig. e aacocucci, CC BY 4.0 / obs. 100176361
Senna arnottiana, photographed by Guillermo Debandi
fig. f Guillermo Debandi, CC BY 4.0 / obs. 126654971
Senna arnottiana, photographed by Matt Berger
fig. g Matt Berger, CC BY 4.0 / obs. 57972649
Senna arnottiana, photographed by Javier Conejeros Gastó
fig. h Javier Conejeros Gastó, CC BY 4.0 / obs. 19330332

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.

Native range 3 botanical countries

Regions where Senna arnottiana is native: Argentina Northwest, Argentina South, Chile Central Argentina NorthwestArgentina SouthChile Central
Native distribution of Senna arnottiana, after Kew’s World Checklist of Vascular Plants. Introduced, extinct and doubtful records are excluded, so this is where the plant is from, not everywhere it now grows.
RegionTDWG codeContinent
Argentina Northwest AGW SOUTHERN AMERICA
Argentina South AGS
Chile Central CLC

Region boundaries approximated from Natural Earth (public domain) and mapped to TDWG World Geographical Scheme for Recording Plant Distributions (WGSRPD) level-3 botanical countries (Brummitt 2001). Indicative, not the official WGSRPD geometry.

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.

  • Cassia andina Phil.
  • Cassia arnottiana Hook.
  • Cassia arnottiana Gillies
  • Cassia arnottiana Wight ex Benth.
  • Cassia arnottiana var. andina (Phil.) Reiche
  • Cassia arnottiana var. sericea Burkart ex L.Bravo

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.
  3. Kew, World Checklist of Vascular Plants (WCVP v16). native distribution by TDWG level-3 botanical country, and life form. CC BY 3.0. Retrieved 2026-06-04.

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.