York Road poison
English
Etymology
After York Road (between Perth and York, in Western Australia), where the type was found
Noun
York Road poison (uncountable)
- (Australia) The plant Gastrolobium calycinum, toxic to foraging livestock.
References
Gastrolobium on Wikipedia.Wikipedia 
Gastrolobium calycinum on Wikispecies.Wikispecies 
Gastrolobium calycinum on Wikimedia Commons.Wikimedia Commons