甘薯

甘薯	gān shǔ	sweet potato / Ipomoea batatas
甘	Gān	surname Gan / Gansu Province (abbr. for 甘肃省)
甘	gān	(bound form) sweet; pleasant (contrasted with 苦: bitter, unpleasant) / to be willing (to do sth)
薯	shǔ	potato / yam
薯	shǔ	variant of 薯