Yarrow, yucca and ylang-ylang are flowering plants. They begin with Y.
yellow rose
iris
There is no country that begins with "y" and ends with "i." There is no country that begins with "y" and ends with "u," either. Currently, the only country in the world that begins with "y" is Yemen. Yugoslavia is now called Serbia & Montenegro.
I Only Know One flower which is The "Xella"
a flower that starts with N is NARCISSUS
aster
tulip
TULIP
freesia
Yogic is a word. It begins with y and ends with c.
Yummy is a compliment to the chef regarding the food. It begins with the letter y.
Ursinia is a flower. It begins with the letter U.