There are more than 200 varieties of plants belonging to either the Oleaceae family of true jasmine or the Loganiaceae family of false jasmine. The flowers of the former are nontoxic if eaten. Within the Loganiaceae family, the flowers of gelsemium sempervirens Loganiaceae, also known as yellow jasmine, yellow jessamine or Carolina jasmine, are highly poisonous. When eaten they may cause a wide range of side effects in humans, animals and bees.