This is Passiflora pallens, also known as Pineland Passionflower, and Pineland Passionvine. Growing to a length of about 20 feet, at the most, this vine blossoms throughout the year giving a wonderful display of white blossoms. It enjoys living in full sun all the way down to light shade. This is a host plant for the Zebra Long Wing, Zebra Heliconian, Julia Heliconian, Isabellas Heliconian, Banded Orange Heliconian, Mexican Fritillary, Scarce Bamboo Page, Erato Heliconian, Variegated Fritillary, and Gulf Fritillary butterflies. It is also a larval host plant for the Plebeian sphinx Moth. USDA Hardiness Zones 10 to 11