Passiflora incarnata  (Purple Passion Vine – also known as Maypop)
Passiflora lutea  (Yellow Passion Vine)

Purple Passion Vine

Purple Passion Vine

Native Bees on Purple Passion Vine

Purple Passion Vine

Gulf Fritillary on Yellow Passion Vine

Comments

Fruit-birds. Attracts Butterflies.  Larval host for Gulf Fritillary, Zebra Longwing and others. [1]

More Information:

[1]  Lady Bird Johnson Wildflower Center: Passiflora incarnata
[2]  Lady Bird Johnson Wildflower Center: Passiflora lutea
[3]  Missouri Botanical Garden: Passiflora incarnata