Vatican City is a city that with its surrounding territory forms an independent state.
Zinaida Petrovna Botschantzeva -LRB- 10 August 1907 -- 17 August 1973 -RRB- was a Russian botanist and embryologist , professor of the Tashkent university .. Tashkent. Tashkent. Russian. USSR. botanist. botanist. embryologist. Embryology. professor. professor. Tashkent university. National University of Uzbekistan. Great contribution in studies of Central Asian tulips has been made by Z.P. Botschantzeva .. tulips. Tulipa. She devoted all her life to studying of this genus of plants .. In 1962 the book by Z.P. Botschantzeva was published and this book titled Tulips was rich in material on Central Asian and Caucasus wild tulips .. tulips. Tulipa. Caucasus. Caucasus. This remarkable work was reissued in 1981 in the Netherlands .. Netherlands. Netherlands. She has described 6 new tulip species from various regions of Central Asia .. Central Asia. Central Asia