Walt Sakai - Zuma Canyon Bird Banding
Growing on the Watercare side of a fenced foreshore farm paddock. (no access to the plant from stock)
Not sure about this? Looks almost like Castor plant?
Datura stramonium, known by the common names Jimson weed or datura, is a plant in the Solanaceae (nightshade) family, which is believed to have originated in the Americas, but is now found around the world. Other common names for D. stramonium include thornapple and moon flower, and it has the Spanish name Toloache