The Department of Botany, St. Stephen’s College, Pathanapuram was established in 1982, with B.Sc. degree course under the University of Kerala, with Zoology and Chemistry as subsidiaries. The department has 4 full time faculty with diverse research interest in Tissue culture, Mycology, Biosystematics, Phycology, Biodiversity analysis etc. Among the 4 faculty members, three are Ph. D holders and one is M. Phil holder. Very Rev. Aphrem Ramban (Rev. Fr. Oommen P. Abraham) was the principal and the head of the Department till 1994. As the glorious years of roll in to the history, Botany department contributing significantly to the development of the college and the society.
The Department now flourished with research programme leading to Ph. D. in areas such as Phycology and Plant Systematics. Dr. Praveen Dhar T. is a research guide under the University of Kerala. Central University of Kerala sponsored minor project is undertaken by the Department under the supervision of Dr. Praveen Dhar T.
The department has two laboratories for practical work and one research lab with several facilities and internet access. There is a well maintained museum with more than 300 specimens. The department herbarium has about 700 sheets in its collection.