Senna wislizeni(A.Gray) H.S.Irwin & Barneby

Wislizenus' senna

WFO wfo-0000175397 Accepted WFO 2026-06 8 photographs CC0 / CC BY / CC BY-SA

Plate 1 figs. a–h · 8 separate observations

Senna wislizeni, photographed by Alexis López Hernández
fig. a Alexis López Hernández, CC BY 4.0 / 2022-04-02 / obs. 186859667
Senna wislizeni, photographed by adel-fridus
fig. b adel-fridus, CC0 1.0 / obs. 99150156
Senna wislizeni, photographed by Eliseo D Moreno
fig. c Eliseo D Moreno, CC BY-SA 4.0 / obs. 53360929
Senna wislizeni, photographed by Norma Piedra
fig. d Norma Piedra, CC BY 4.0 / obs. 204147626
Senna wislizeni, photographed by Adriana Nelly Correa Sandoval
fig. e Adriana Nelly Correa Sandoval, CC BY 4.0 / obs. 45594578
Senna wislizeni, photographed by José Belem Hernández Díaz
fig. f José Belem Hernández Díaz, CC BY 4.0 / obs. 44589752
Senna wislizeni, photographed by Sandino Guerrero
fig. g Sandino Guerrero, CC BY 4.0 / obs. 36093381
Senna wislizeni, photographed by Jonathan Rodriguez
fig. h Jonathan Rodriguez, CC BY 4.0 / obs. 21865831

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 8 botanical countries

Regions where Senna wislizeni is native: Arizona, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southwest, New Mexico, Texas ArizonaMexico CentralMexico GulfMexico NortheastMexico NorthwestMexico SouthwestNew MexicoTexas
Native distribution of Senna wislizeni, 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
Arizona ARI NORTHERN AMERICA
Mexico Central MXC
Mexico Gulf MXG
Mexico Northeast MXE
Mexico Northwest MXN
Mexico Southwest MXS
New Mexico NWM
Texas TEX

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 16 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 morelensis Greenm.
  • Cassia pringlei Rose
  • Cassia wislizeni A.Gray
  • Cassia wislizeni var. painteri (Britton) H.S.Irwin & Barneby
  • Cassia wislizeni var. villosa (Britton) H.S.Irwin & Barneby
  • Cassia wislizenii A.Gray
  • Cassia wislizenii var. painteri (Britton & Rose) H.S.Irwin & Ba
  • Cassia wislizenii var. villosa (Britton & Rose) H.S.Irwin & Ba
  • Palmerocassia painteri Britton & Rose
  • Palmerocassia painteri Britton
  • Palmerocassia pringlei (Rose) Britton & Rose
  • Palmerocassia pringlei (Rose) Britton
  • Palmerocassia villosa Britton & Rose
  • Palmerocassia villosa Britton
  • Palmerocassia wislizeni (A.Gray) Britton
  • Palmerocassia wislizenii (A.Gray) Britton & Rose

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. Wikidata. common name (P1843), joined on the World Flora Online identifier (P7715). CC0. Retrieved 2026-07-13.
  4. 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.