Step 1: Phyllotaxy ની વ્yukhyaa.
'Phyllo' = leaf (પdandum), 'taxy' = arrangement (goothhvan).
Step 2: Phyllotaxy na prakaar.
Alternate (ekaantar), Opposite (saam-saaame), Whorled (chakraakar) - tran mukhy prakaar.
Step 3: ઉત્taar.
\\[ \boxed{oxed{ ext{Phyllotaxy = Arrangement of leaves on stem}} \} \]