1. Albach D, Soltis PS, Soltis DE (2001) Patterns of embryological and biochemical evolution in the asterids. Syst Bot 26:242–262
2. Anderson F (1931) Studien uber der embryologie der familien Celastraceae, Oleaceae und Apocynaceae. Acta Univ Lund 27:1–112
3. Bhargava YR (1980) Microsporogenesis and male gametophyte in Jasminum pubescens Wild. Curr Sci 49:911–912
4. Corner EJH (1976) The seeds of dicotyledons, vol 1. Cambridge University Press, Cambridge
5. Davis GL (1966) Systematic embryology of angiosperms. Wiley, New York