Stems have four main functions which are : Stems are often specialized for storage , asexual reproduction , protection or photosynthesis , including the following : See also : Stele ( biology ) Stem usually consist of three tissues , dermal tissue , ground tissue and vascular tissue .
Stems are often specialized for storage , asexual reproduction , protection or photosynthesis , including the following : The most important tissue inside the stem is the vascular tissue .