Arsenic weed
चकवड़തകരतरोटा
Senna obtusifolia (L.) H.S.Irwin & Barneby
- light
- Full sun
- water
- Medium
- tall
- 1.1 m
- wide
- 1.1 m
Fabaceae
Also called Blunt-leaved senna, Chinese senna, Coffeeweed, Foetid senna, Java-bean
Formerly Cassia obtusifolia, Cassia rogeonii, Cassia toroides, Emelista obtusifolia, and 1 more
When it flowers
Not known yet in the tropics: too few flowering observations to read a season from.
If a child, a pet or anyone may have eaten a plant, contact a doctor or vet straight away, or call the National Poisons Information Centre (AIIMS, New Delhi) on 1800 116 117, free and open 24 hours.
Something wrong with it?About it
- Grows as
- Annual, perennial or subshrubKew's checklist, not yet checked
- Climate
- Seasonally dry tropicalKew's checklist, not yet checked
- Wild in
- Trop. & Subtrop. AmericaKew's checklist, not yet checked
- Light
- Full sun (6 h or more)Read from NC State Extension, one source
- Height
- 61 cm to 1.5 mRead from NC State Extension, one source
- Spread
- 61 cm to 1.5 mRead from NC State Extension, one source
- Water
- Average: moist, well drainedRead from NC State Extension, one source
- Flowers
- YellowRead from NC State Extension, one source
Not known yet: coldest it survives, heat, hottest it survives.
In other languages (6)
- Finnish
- soijasenna
- Chinese
- 决明, 钝叶决明
- Simplified Chinese
- 钝叶决明
- Hindi
- चकवड़
- Marathi
- तरोटा, टाकळा
- Malayalam
- തകര, ചക്രതകര, ചക്രത്തകര
Where this comes from
- Wikidata, read 2026-10-26, CC0-1.0
- Kew's checklist, read 2026-10-24, CC-BY-4.0
- NC State Extension, read 2026-10-25, fact, cited
- Wikimedia Commons, read 2026-10-25, CC BY-SA 4.0
- 3D model: Senna obtusifolia (built for Vanagrha) by Vanagrha, own
A fact “checked by a majority of its sources” was settled by a vote of the pages it was read from, not by a person reading it; one marked “one source” rests on that page alone. Anything else not marked checked has not been checked yet. Where nothing is known, the page says so rather than guess.