The Butterfly with a Passion

I have published numerous posts in which I have discussed the relationship between the Gulf Fritillary butterfly and Passion Vine (Passiflora spp.). Passion Vine is the sole larval host plant for this fritillary. The adult Gulf Fritillary feeds on nectar from a wide variety of flowers. This one is savoring the nectar from Tropical Sage (Salvia coccinea) flowers:

This set of photographs was taken along the Mission Reach of the San Antonio River near the Roosevelt Park Trailhead on Thursday, October 31, 2013.