Fabaceae
Showy rattlebox
Crotalaria spectabilis
- Family
- Fabaceae
- Genus
- Crotalaria
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Common names
By language (4)
- Bangla
- ঝুমঝুমো, পিপুলি ঝুনঝুন
- Chinese
- 大托叶猪屎豆, 紫花野百合, 丝毛野百合, 紫花野百全, 美丽猪屎豆
- English
- Showy rattlebox
- Thai
- มะหิ่งเม่น
Synonyms
- Crotalaria alatipes Raf.
- Crotalaria lechnaultii DC.
- Crotalaria leschenaultii Macfad.
- Crotalaria lupiniflora Graham
- Crotalaria lupinifolia Steud.
- Crotalaria macrophylla Weinm.
- Crotalaria retzii Hitchc.
- Crotalaria sericea Retz.
- Crotalaria spectabilis subsp. parvibracteata Niyomdham
- Crotalaria spectabilis subsp. spectabilis
Flowers
- Flower colour
- yellow (USDA PLANTS Database)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual
- In the US and Canada
- Hawaii: introduced, Lower 48 states: introduced, Pacific Basin: introduced, Puerto Rico: introduced
Toxicity: Moderate, as listed by the USDA PLANTS Database (2025-05-29). USDA rates how toxic a plant is to people or livestock; it is not a pet-safety rating, so ask a vet or poison line if a pet or child ate it.
Photos
Photo: John D. Bird, MS State University, USA, bugwood.org, CC BY 3.0, from Wikimedia Commons 
Photo: SunshinestateOfMind, CC BY-SA 3.0, from Wikimedia Commons Photo: dean tims, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Pollinator at en.wikipedia, CC BY-SA 3.0, from Wikimedia Commons Photo: Stela Ribeiro, CC BY-SA 4.0, from Pl@ntNet via GBIF Photo: GoJean Playz, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Yercaud-elango, CC BY-SA 4.0, from Wikimedia Commons Photo: Schretzmann-Myers Theresa, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Yercaud-elango, CC BY-SA 4.0, from Wikimedia Commons Photo: Schretzmann-Myers Theresa, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Yercaud-elango, CC BY-SA 4.0, from Wikimedia Commons Photo: García Bencosme Harvey Luís, CC BY-SA 4.0, from Pl@ntNet via GBIF
More in Crotalaria
- Sunn hempCrotalaria junceaFabaceae
- BirdflowerCrotalaria cunninghamiiFabaceae
- Longbeak rattleboxCrotalaria longirostrataFabaceae
- Smooth rattleboxCrotalaria pallidaFabaceae
- RattleweedCrotalaria retusaFabaceae
- Blue rattlesnakeCrotalaria verrucosaFabaceae
- ShakeshakeCrotalaria incanaFabaceae
- Arrowhead rattleboxCrotalaria sagittalisFabaceae
- Crotalaria burhiaFabaceae
- Crotalaria microcarpaFabaceae
- Crotalaria sessilifloraFabaceae
- Crotalaria socotranaFabaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.