Poinsettia, Christmas flower, Euphorbia pulcherrima, Noche buena
Euphorbua pulcherrima, or Noche buena is a flowering plant indigenous to Mexico and Central America. Commonly known as poinsettia after Joel Roberts Poinsett, the first US Minister to Mexico, who introduced the plant into the US in 1825. In Spain, it is called "Flor de Pascua" or "Easter Flower". This plant is associated with Christmas. Source
Poinsettia is not poisonous according to this site.
Wishing you the merriest and warmest Christmas!
May you have the gladness of Christmas which is hope; the spirit of Christmas which is peace; the heart of Christmas which is love.
~ Ada Hendricks