Senna tora(L.) Roxb.

sickle senna

WFO wfo-0000165011 Accepted WFO 2026-06 8 photographs CC0 / CC BY / CC BY-SA

Plate 1 figs. a–h · 8 separate observations

Senna tora, photographed by Agnes Trekker
fig. a Agnes Trekker, CC0 1.0 / 2021-10-31 / obs. 166578927
Senna tora, photographed by OnePlanet
fig. b OnePlanet, CC BY 4.0 / obs. 144617211
Senna tora, photographed by Ong Jyh Seng
fig. c Ong Jyh Seng, CC BY-SA 4.0 / obs. 103096541
Senna tora, photographed by Dinesh Valke
fig. d Dinesh Valke, CC BY-SA 4.0 / obs. 136200930
Senna tora, photographed by 葉子
fig. e 葉子, CC0 1.0 / obs. 29283313
Senna tora, photographed by Siddarth Machado
fig. f Siddarth Machado, CC BY 4.0 / obs. 71737265
Senna tora, photographed by Shami Narayanan
fig. g Shami Narayanan, CC BY 4.0 / obs. 83724484
Senna tora, photographed by Suhel Quader
fig. h Suhel Quader, CC BY 4.0 / obs. 24857735

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 2 botanical countries

Regions where Senna tora is native: Belize, El Salvador BelizeEl Salvador
Native distribution of Senna tora, 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
Belize BLZ SOUTHERN AMERICA
El Salvador ELS

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 26 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 borneensis Miq.
  • Cassia contorta Vogel
  • Cassia foetida Salisb.
  • Cassia gallinaria Collad.
  • Cassia gracisiliqua Lancry
  • Cassia humilis Collad.
  • Cassia malabarica Lancry
  • Cassia numilis Collad.
  • Cassia obtusifolia var. humilis (Collad.) Torr. & A.Gray
  • Cassia sagera Lam.
  • Cassia sunsub Forssk.
  • Cassia tagera L.
  • Cassia tala Desv.
  • Cassia tora L.
  • Cassia tora f. hirsuta Chodat & Hassl.
  • Cassia tora var. borneensis (Miq.) Miq.
  • Cassia tula Desv. ex Steud.
  • Chamaecrista tagera (L.) Standl.
  • Chamaefistula contorta (Vogel) G.Don
  • Diallobus thora (L.) Raf.
  • Diallobus tora (L.) Raf.
  • Diallobus tora (L.) B.D.Jacks.
  • Emelista tora (L.) Britton & Rose
  • Emelista tora Britton & Rose

and 2 more.

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.