Endress, Peter K. <br/><br/>
Diversity and evolutionary biology of tropical flowers / 
by Peter K. Endress ; drawings by Brigita Steiner-Gafner and Peter K. Endress. 
 - Cambridge [England] ;  New York, NY, USA :  Cambridge University Press,  1994. 
 - xiv, 511 p. :  ill. ;  24 cm. 
 - Cambridge tropical biology series .