@inbook{DiatomBase:SourceID:259157, author = {Li, P.T. and Gilbert, M.G. and Stevens, W.D.}, pages = {189-270}, title = {Asclepiadaceae. In: Wu ZY, Raven PH (Eds) Flora of China, vol. 16. Sci. Press, Beijing & Missouri Bot. Garden Press, St. Louis}, url = {http://biodiversitylibrary.org/page/651542}, year = {1995} }