TY - JOUR T1 - From leaf to flower: revisiting Goethe's concepts on the ¨metamorphosis¨ of plants JO - Brazilian Journal of Plant Physiology A1 - Dornelas, Marcelo Carnier A1 - Dornelas, Odair SN - 1677-0420 UL - 10.1590/S1677-04202005000400001 VL - 17 Y1 - 2005 PB - Brasil ER -