Passion fruit is a

Passion fruit is a Day neutral plant. Day-neutral plants do not depend upon the amount of darkness or daylight hours. It flowers regardless of the length of the period of light it is exposed to.
The passion fruit is the fruit of several plants in the genus Passiflora. Passion fruits are round or oval, and range from a width of 1.5 to 3 inches. Several varieties of passionfruit are rich in polyphenols, and some contain prunasin and other cyanogenic glycosides in the peel and juice.