I think it is our edible *Amorphophallus* species. Its malayalam name is 'Chena'
*Amorphophallus paeoniifolius* (Dennst.) Nicolson. Syn: *Dracontium paeoniifolium* Dennst.;* Amorphophallus dubius* Blume;* Amorphophallus paeoniifolius* (Dennst.) Nicolson var. *campanulatus* (Decne.) Sivad. -- *Prabhu Kumar K M* Scientist Plant Systematics & Genetic Resources Division Centre for Medicinal Plants Research (CMPR) & 'CMPR' Herbarium Kottakkal Arya Vaidya Sala Kottakkal, Malappuram *E-mail: [email protected]* --
