summer lilac Directory References Images Discover 9 of the World’s Deadliest Spiders Timeline of the 2000s New Seven Wonders of the World How Fast Is the World’s Fastest Human? 7 of History's Most Notorious Serial Killers Does Ball Lightning Exist? What’s the Difference Between a Turtle and a Tortoise? Contents summer lilac plant, Buddleja species Also known as: Buddleja davidii Learn about this topic in these articles: