Question

Difference between green pisum sativum and yellow pisum sativum

Answer 1

pisum stivum is the botanical name for 'pea'.

therefore,
green pisum sativam is green pea
and
yellow pisum sativam is yellow pea

another difference is that:
green pisum sativum is RECESSIVE that is does not get expressed
and
yellow pisum sativum is DOMINANT that is, it gets expressed.