A meristem responsible for extra-stelar secondary growth in dicot stem is?
A.Interfascicular cambium – a secondary meristem responsible for intrastelar secondary growth in dicotyledonous stem and root.
B.Phellogen – or cork cambium, a secondary meristem responsible for extra stelar secondary growth in dicotyledonous stem and root.
C.Intrafascicular cambium – a primary meristem, responsible for intra stelar secondary growth in dicotyledonous stem and root.
D.Intercalary meristem – a meristem present between the permanent tissues, appear in monocotyledons.
So, the correct option is ‘Phellogen’.