Assertion: photosynthesis | /r/HasProperty | modified stem
Facets:
Source sentences:
text: Photosynthesis also takes place in the thalamus of flower (it is a modified stem), in the roots, in sepals, in the roots of orchids due to the presence of spongy tissue( it is also known as velamen) and even in unicellular organisms like Euglena, Chlamydomonas, etc.