The leafless and rowdy Cynanchum viminale subsp. brunonianum
Cynanchum viminale was first described as Euphorbia viminale by Carl Linnaeus in 1753, until he came to his senses and moved it to the genus Cynanchum in 1771. However, the plant has, for many years, been better known as Sarcostemma viminale , and still is called under that name even up to now. Cynanchum is a very large genus scattered in the tropics, with many sections recognized and more than a thousand species described. The species name is derived from the Latin word ' vimina ', which means 'broom'. This is a very widespread species and occurs in a vast swathe of territory, from much of Africa to the Middle East, and eastwards to India and the islands of the Indian Ocean, Indochina, southern China, Southeast Asia, and southwards to Australia. Preferred habitat varies from tropical forests to arid deserts. Due to its extremely wide distribution, a number of subspecies have been named, but their delimitation from one another is problematic. The ones from ea...