Mamiyil Sabu (Dr M. Sabu[1][2][3]) formerly Head of the Department of Botany,[4] University of Calicut and currently working as CSIR-Emeritus Scientist at Malabar Botanical Garden and Institute for Plant Sciences,[5] Kozhikode district, Kerala, India.

He secured a Ph.D. on the topic “Taxonomic and Phylogenetic studies on South Indian Zingiberaceae”  under the guidance of Prof. Jose K. Mangaly from University of Calicut, Kerala.

Presently he is working as CSIR- Emeritus Scientist at Malabar Botanical Garden and Institute for Plant Sciences, Calicut.

A germplasm of over 190 species and 2000 accessions of live plants in the ginger gene bank of Calicut University Botanical Garden is established.

The largest germplasm of Indian Musaceae and Marantaceae is established in the Botanical Garden of Calicut University which contain more than 30 taxa and over 200 accessions.

[9] Musaceae Revision is published with four new taxa and several new records to India and rediscoveries after a lapse of 50–100 years.