Santa Maria feverfew
ಪಾರ್ಥೇನಿಯಮ್गाजर घासகாங்கிரஸ் களை
Parthenium hysterophorus L.
- light
- —
- water
- Little
- tall
- 1.8 m
- wide
- —
Asteraceae
Also called Parthenium weed, Famine weed, Parthenium, Congress Grass, Feverfew
Formerly Argyrochaeta bipinnatifida, Echetrosis pentasperma, Parthenium lobatum, Parthenium pinnatifidum
When it flowers
Flowers all year in the tropics.
Read from iNaturalist photographs of it in flower. A month counts at 50% of the best month's flowering share (smoothed over three months) and 10% of its flowering count, from at least 100 flowering observations in the band.
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
- AnnualKew's checklist, not yet checked
- Climate
- Seasonally dry tropicalKew's checklist, not yet checked
- Wild in
- Trop. & Subtrop. AmericaKew's checklist, not yet checked
- Height
- 1.5 m to 2.0 mRead from Wikipedia, one source
- Water
- Little: takes droughtRead from Wikipedia, one source
- Flowers
- White, creamRead from Wikipedia, one source
Not known yet: light, spread, coldest it survives, heat, hottest it survives.
In other languages (12)
- Spanish
- Hierba del golpe, Hierba amarga, Ajenjo cimarrón
- myn
- hauay
- root
- tzail-cuet, chilchayate, matnitjen
- Portuguese
- Losna-branca, Coentro-do-mato
- Chinese
- 銀膠菊, 一颗血, 银胶菊
- Dutch
- schijnambrosia
- French
- Fausse camomille, Parthénium fausse-camomille
- Russian
- Партениум позднеплодный
- Finnish
- piinahelmikki
- Japanese
- アメリカブクリョウサイ
- Chinese (China)
- 银胶菊
- Swedish
- flikpartenium
Where this comes from
- iNaturalist, read 2026-10-26, CC0-1.0 (observation counts)
- Wikidata, read 2026-10-26, CC0-1.0
- Kew's checklist, read 2026-10-24, CC-BY-4.0
- Wikipedia, read 2026-10-25, fact, cited
- Wikimedia Commons, read 2026-10-25, CC BY 3.0
- iNaturalist, read 2026-10-26, CC BY-SA
- iNaturalist, read 2026-10-26, CC BY
- iNaturalist, read 2026-10-26, CC BY
- 3D model: Parthenium hysterophorus (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.