spadix

English Thesaurus

1. the fleshy axis of a spike often surrounded by a spathe (noun.plant)

hypernym	:	axis,
definition	:	the main stem or central part about which plant organs or plant parts such as branches are arranged (noun.plant)

part meronym	:	spike,
definition	:	(botany) an indeterminate inflorescence bearing sessile flowers on an unbranched axis (noun.plant)