Senna mexicana(Jacq.) H.S.Irwin & Barneby

Mexican senna

WFO wfo-0000175265 Accepted WFO 2026-06 8 photographs CC BY / CC BY-SA

Plate 1 figs. a–h · 8 separate observations

Senna mexicana, photographed by Judy Gallagher
fig. a Judy Gallagher, CC BY-SA 4.0 / 2018-11-30 / obs. 29199309
Senna mexicana, photographed by Judy Gallagher
fig. b Judy Gallagher, CC BY-SA 4.0 / obs. 13703864
Senna mexicana, photographed by Judy Gallagher
fig. c Judy Gallagher, CC BY-SA 4.0 / obs. 6059717
Senna mexicana, photographed by Brandon Corder
fig. d Brandon Corder, CC BY 4.0 / obs. 59669102
Senna mexicana, photographed by Brandon Corder
fig. e Brandon Corder, CC BY 4.0 / obs. 175042666
Senna mexicana, photographed by Jacob Malcom
fig. f Jacob Malcom, CC BY-SA 4.0 / obs. 36166856
Senna mexicana, photographed by Jacob Malcom
fig. g Jacob Malcom, CC BY-SA 4.0 / obs. 36166062
Senna mexicana, photographed by Brian Oakes Haiti Hunter
fig. h Brian Oakes Haiti Hunter, CC BY 4.0 / obs. 63412574

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 9 botanical countries

Regions where Senna mexicana is native: Florida, Mexico Gulf, Mexico Southwest, Bahamas, Cuba, Dominican Republic, Haiti, Jamaica, Turks-Caicos Is. FloridaMexico GulfMexico SouthwestCubaDominican RepublicHaitiJamaica BahamasTurks-Caicos Is.
Native distribution of Senna mexicana, 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. Regions too small to draw at this scale are marked with a dot.
RegionTDWG codeContinent
Bahamas BAH SOUTHERN AMERICA
Cuba CUB
Dominican Republic DOM
Haiti HAI
Jamaica JAM
Turks-Caicos Is. TCI
Florida FLA NORTHERN AMERICA
Mexico Gulf MXG
Mexico Southwest MXS

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 13 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.

  • Adipera mexicana (Jacq.) Britton & Rose
  • Cassia bahamensis var. latifolia Benth.
  • Cassia berteriana Balb. ex DC.
  • Cassia chapmanii Isely
  • Cassia clarendonensis Britton
  • Cassia mexicana Jacq.
  • Cassia mexicana var. moustiquensis Urb.
  • Cassia pallens Benth.
  • Cassia shaferi Britton & P.Wilson
  • Peiranisia clarendonensis (Britton) Britton & Rose
  • Peiranisia shaferi (Britton & P.Wilson) Britton & Rose
  • Senna chapmanii (Isely) A.Barreto & Yakovlev
  • Senna shaferi (Britton & P.Wilson) A.Barreto & Yakovlev

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.