Strawberry Pear (Hylocereus undatus)

火龍果. Night-blooming Gereus
Soon May will give birth to a baby girl, and we usually take a walk after dinner. Along the road are rice fields and vegetable gardens. This fruit-bearing plant surprised us with its large and yet delicate flowers.

http://www.hort.purdue.edu/newcrop/morton/strawberry_pear_ars.html