薏米仁 in3 bhi2 ring5, 薏米粉 in3 bhi2 hung2 潮汕方言

Corn or maize / corn flour

玉米 yu4mi3 - corn or maize - is called iⁿ3 bhi2 ring5 薏米仁  Apparently, in the dictionary, 玉米 yu4mi3 is also called 包穀 (苞谷) bao1 gog4.  The characters in parenthesis are the simplified characters.  Corn or maize can also be called iⁿ3 bhi2 ring5 薏米仁 .

in3 bhi2 dzing5 薏米仁

The measure word for iⁿ3 bhi2 ring5 薏米仁 is 粒 liab8

Then what do we call corn on the cob? 

iⁿ3 bhi2 薏米

I would say iⁿ3 bhi2 薏米 and the measure word is diao5 條.

玉米麵 yu4mi3mian4 or 玉米粉 yu4mi3fen3 corn flour or corn starch is called bao1 gog4 hung2 包穀粉 (苞谷粉) or iⁿ3 bhi2 hung2 薏米粉. 

一盒薏米粉

一包薏米粉

The measure word for corn flour is 包 bao1 or 盒 ab8 depending if it is in a packet or a box. ^_~

Investigation: What does your family call corn / maize and corn flour?